VIBRATION GENERATING APPARATUS AND METHOD INTRODUCING HYPERSONIC EFFECT TO ACTIVATE FUNDAMENTAL BRAIN NETWORK AND HEIGHTEN AESTHETIC SENSIBILITY

• US 20110152729A1
• Filed: 08/05/2009
• Published: 06/23/2011
• Est. Priority Date: 02/03/2009
• Status: Active Grant

• Current Assignee: Action Research Co., Ltd.
• Original Assignee: Action Research Co., Ltd.
• Inventors: Honda, Manabu, Ueno, Osamu, Morimoto, Masako, Nishina, Emi, Oohashi, Tsutomu, Yagi, Reiko, Maekawa, Tadao, Kawai, Norie
• Granted Patent: US 8,167,826 B2
• Time in Patent Office: Days
• US Class Current: 601/2
• CPC Class Codes: A61M 2021/0027 by the hearing sense
• CPC Class Codes: A61M 2021/0038 ultrasonic
• CPC Class Codes: A61M 21/02 for inducing sleep or relaxation, e.g. by direct nerve stimulation, hypnosis, analgesia for massage A61H; electrotherapy A61N, e.g. applying alternating or intermittent electric currents for producing anaesthesia A61N1/36021
• CPC Class Codes: A61M 2205/3569 sublocal, e.g. between console and disposable
• CPC Class Codes: A61M 2205/3592 using telemetric means, e.g. radio or optical transmission
• CPC Class Codes: A61M 2230/10 Electroencephalographic signals
• CPC Class Codes: G10K 15/02 Synthesis of acoustic waves synthesis of speech G10L13/00
• CPC Class Codes: H04R 1/10 Earpieces; Attachments therefor ; Earphones; Monophonic headphones H04R1/28 takes precedence; stereophonic headphones H04R5/033
• CPC Class Codes: H04R 2499/11 Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's
• CPC Class Codes: H04R 2499/13 Acoustic transducers and sound field adaptation in vehicles
• CPC Class Codes: H04R 27/00 Public address systems circuits for preventing acoustic reaction H04R3/02; circuits for distributing signals to loudspeakers H04R3/12; monitoring or testing arrangements for public address systems H04R29/007; amplifiers H03F
• CPC Class Codes: H04S 1/00 Two-channel systems H04S5/00, H04S7/00 take precedence
• CPC Class Codes: H04S 3/00 Systems employing more than two channels, e.g. quadraphonic H04S5/00, H04S7/00 take precedence

Abstract

Means is provided for generating a vibration or a vibration signal, which contains audible range components that are vibration components in the audible frequency range and super-highfrequency components within a range exceeding the audible frequency range up to a predetermined maximum frequency, and which has an autocorrelation order represented by at least either one of a first property and a second property. By applying the vibration or an actual vibration generated from the vibration signal to a human being, a fundamental brain activation effect for activating the fundamental brain network system constituted of a fundamental brain including the brain stem, thalamus and hypothalamus that are regions to bear the fundamental function of the human being and the fundamental brain network of neuronal projection from the fundamental brain to various brain regions is introduced.

Claims

1-25. -25. (canceled)

26. A vibration generating apparatus comprising a device for generating one of a vibration and a vibration signal, which contains audible range components that are vibration components in an audible frequency range and super-highfrequency components within a range exceeding the audible frequency range up to a predetermined maximum frequency and has an autocorrelation order represented by at least either one of a first property and a second property, the vibration generating apparatus being able to introduce a fundamental brain activation effect for a human being into a fundamental brain including brain stem, thalamus and hypothalamus that are regions to bear a fundamental brain function and a fundamental brain network of neuronal projection from the fundamental brain to various brain regions by applying one of the vibration and an actual vibration generated from the vibration signal to the human being,

wherein (1) the first property has a fractal nature such that a shape of a three-dimensional power spectrum array of time, frequency and power of the components exceeding the audible frequency range is a complexity having a self-similarity, and

a local exponent of fractal dimension is a value obtained, upon calculating the fractal dimension of a curved surface of the three-dimensional power spectrum array by using a box-counting method, by inverting the sign of an inclination of a straight line that interconnects two mutually adjacent points when logarithms of a necessary minimum number of reference boxes for covering the curved surface are plotted with respect to a logarithm of a size of each one side of the reference boxes, the local exponent of fractal dimension being a value that represents a self-similarity of the shape, and the local exponent of fractal dimension has a value of not smaller than 2.2 and not greater than 2.8 in a range in which a spectro-temporal index defined by normalizing one side of the reference box is 2⁻

1 to 2<sup>−

5</sup> and a fluctuation range of the local exponent of fractal dimension within 0.4 when the spectro-temporal index changes in a range of 2<sup>−

1</sup> to 2<sup>−

5</sup>, and

wherein (2) the second property is defined such that a degree of one of predictability and irregularity of time series of the vibration signal changes with time except for the time series of the vibration signal that are completely predictable and regular and for the time series of the vibration signal that are completely unpredictable and random,

an information entropy density representing the irregularity of time series data has a value in a range of not smaller than −

5 and smaller than zero, and an entropy variation index (EV-index), which is a variance of the information entropy density and represents a degree of time variance, has a value of not smaller than 0.001 for 51.2 seconds.

29. The vibration generating apparatus as claimed in claim 26, further comprising an adder for adding a complementing vibration signal that has the autocorrelation order and is generated by the vibration generating apparatus claimed in claim 26 to an original vibration signal not having the autocorrelation order, and outputting a vibration signal of an addition result.

30. The vibration generating apparatus as claimed in claim 26, further comprising a band expanding device for performing band expanding so that a band of the original signal exceeds the audible frequency range with respect to the original vibration signal not having the autocorrelation order, and outputting a band-expanded vibration signal that contains the band exceeding the audible frequency range and the band of the original vibration signal;

and

an adder for adding a complementing vibration signal that has the autocorrelation order and is generated by the vibration generating apparatus claimed in claim 26 to the band-expanded vibration signal, and outputting a vibration signal of an addition result.

31. The vibration generating apparatus as claimed in claim 29, further comprising a high-pass filter device, which is provided between the vibration generating apparatus and the adder, for performing high-pass filtering of the complementing vibration signal having the autocorrelation order.

32. The vibration generating apparatus as claimed in claim 29, further comprising an attenuator for comparing a signal level of one of the original vibration signal and the band-expanded vibration signal with a predetermined threshold value, and attenuating by a predetermined attenuation amount one of the complementing vibration signal that has the autocorrelation order and is inputted to the adder, and a high-pass filtered signal thereof when the signal level is smaller than the threshold value.

33. The vibration generating apparatus as claimed in claim 29, further comprising a level changing device for detecting an absolute value of the signal level of one of the original vibration signal and the band-expanded vibration signal and performing one of amplification and attenuation of the signal level of one of the complementing vibration signal that has the autocorrelation order and is inputted to the adder, and a high-pass filtered signal thereof in accordance with a magnitude of the absolute value of the signal level.

34. The vibration generating apparatus as claimed in claim 30,

wherein the complementing vibration signal that has the autocorrelation order and is inputted to the adder contains a plurality of kinds of vibration signals each having the autocorrelation order, and

wherein the vibration generating apparatus further comprises a controller for selecting at least one kind of complementing vibration signal from among the plurality of kinds of complementing vibration signals in correspondence with at least one of the original vibration signal and the band-expanded vibration signal, and outputting the signal to the adder.

35. The vibration generating apparatus as claimed in claim 26, further comprising a first processor for calculating an autocorrelation coefficient of a reference vibration signal having the autocorrelation order, and performing convolution calculation of the original vibration signal not having the autocorrelation order with the calculated autocorrelation coefficient, thereby generating a vibration signal having the autocorrelation order.

36. The vibration generating apparatus as claimed in claim 26, further comprising a second processor for calculating a transfer function of the reference vibration signal having the autocorrelation order, and multiplying the original vibration signal not having the autocorrelation order by the calculated transfer function, thereby generating a vibration signal having the autocorrelation order.

37. The vibration generating apparatus as claimed in claim 26, comprising:

an elastic vibrating object which elastically vibrates by utilizing physical characteristics including elasticity, natural vibration, and stress strain;

a first transducer for transducing one of the vibration signal having the autocorrelation order, and a vibration signal not having the autocorrelation order into a vibration, and applying the vibration to the elastic vibrating object; and

a second transducer for transducing the vibration of the elastic vibrating object into an electric signal,

wherein one of enhancement and imparting is done on at least either one of the first property and the second property on the autocorrelation order in the vibration signal by application of the vibration signal to the elastic vibrating object by the first transducer, and one of attenuation and remove is done on vibration components not introducing the fundamental brain activation effect and being existable as an electric signal but not existable in the elastic vibrating object, thereby performing one of emphasizing and imparting an effect of a vibration that can introduce the fundamental brain activation effect.

38. The vibration generating apparatus as claimed in claim 37,

wherein the elastic vibrating object is installed in a container filled with a predetermined vibration transmission medium.

39. The vibration generating apparatus as claimed in claim 26,

wherein the vibration generating apparatus introduces a fundamental brain activation effect for a human being into a fundamental brain including a reward system neural circuit that is a brain function region being unitarily comprehensively responsible for generation of all reactions of pleasure, beauty and emotion and a fundamental brain network by applying a vibration generated by the vibration generating apparatus to the human being while applying predetermined information to the human through at least one of visual sensation, gustatory sensation, somatic sensation and olfactory sensation other than auditory sensation, thereby enhancing aesthetic sensibility to at least one piece of information, which is applied to the human being at same time as the vibration and is selected from visual sensation, gustatory sensation, somatic sensation and olfactory sensation other than auditory sensation, and enhancing reactions of pleasure, beauty and emotion.

45. A vibration monitoring system comprising a vibration discriminating apparatus,

wherein the vibration discriminating apparatus comprises a discriminator for discriminating whether or not an inputted vibration signal contains audible range components that are vibration components in an audible frequency range and super-high-frequency components within a range exceeding the audible frequency range up to a predetermined maximum frequency and has an autocorrelation order represented by at least either one of a first property and a second property, the discriminator discriminating whether or not a fundamental brain activation effect for a human being into a fundamental brain including the brain stem, thalamus and hypothalamus that are regions to bear a fundamental brain function and a fundamental brain network of neuronal projection from the fundamental brain to various brain regions can be introduced by applying an actual vibration generated from the vibration signal to the human being,

wherein (1) the first property has a fractal nature such that a shape of a three-dimensional power spectrum array of time, frequency and power of the components exceeding the audible frequency range is a complexity having a self-similarity, and

a local exponent of fractal dimension is a value obtained, upon calculating the fractal dimension of a curved surface of the three-dimensional power spectrum array by using a box-counting method, by inverting the sign of an inclination of a straight line that interconnects two mutually adjacent points when logarithms of a necessary minimum number of reference boxes for covering the curved surface are plotted with respect to a logarithm of a size of each one side of the reference boxes, the local exponent of fractal dimension being a value that represents a self-similarity of the shape, and the local exponent of fractal dimension has a value of not smaller than 2.2 and not greater than 2.8 in a range in which a spectro-temporal index defined by normalizing one side of the reference box is 2⁻

1 to 2<sup>−

5</sup> and a fluctuation range of the local exponent of fractal dimension within 0.4 when the spectro-temporal index changes in a range of 2<sup>−

1</sup> to 2<sup>−

5</sup>, and

wherein (2) the second property is defined such that a degree of one of predictability and irregularity of time series of the vibration signal changes with time except for the time series of the vibration signal that are completely predictable and regular and for the time series of the vibration signal that are completely unpredictable and random,

an information entropy density representing the irregularity of time series data has a value in a range of not smaller than −

5 and smaller than zero, and an entropy variation index (EV-index), which is a variance of the information entropy density and represents a degree of time variance, has a value of not smaller than 0.001 for 51.2 seconds,

wherein the vibration monitoring system comprises at least one of the following;

an alarm generator for outputting an alarm when the discrimination result of the discriminator indicates that the inputted vibration signal cannot introduce the fundamental brain activation effect; and

an adder for adding the complementing vibration signal that has the autocorrelation order and is generated by the vibration generating apparatus claimed in claim 26 to the inputted vibration signal when the discrimination result of the discriminator indicates that the inputted vibration signal cannot introduce the fundamental brain activation effect.

27. A vibration generating space apparatus for generating a vibration having the autocorrelation order by radiating the vibration generated by one of (a) at least one vibration generating apparatus installed in the vibration generating space apparatus for forming a vibration generating space, into the vibration generating space apparatus, (b) by applying one of addition and mutual interference to the vibrations in the vibration generating space apparatus, and (c) by making things constituting the vibration generating space apparatus resonate with the vibrations,

wherein the vibration generating apparatus comprises a device for generating one of a vibration and a vibration signal, which contains audible range components that are vibration components in an audible frequency range and super-highfrequency components within a range exceeding the audible frequency range up to a predetermined maximum frequency and has an autocorrelation order represented by at least either one of a first property and a second property, the vibration generating apparatus being able to introduce a fundamental brain activation effect for a human being into a fundamental brain including brain stem, thalamus and hypothalamus that are regions to bear a fundamental brain function and a fundamental brain network of neuronal projection from the fundamental brain to various brain regions by applying one of the vibration and an actual vibration generated from the vibration signal to the human being,

wherein (1) the first property has a fractal nature such that a shape of a three-dimensional power spectrum array of time, frequency and power of the components exceeding the audible frequency range is a complexity having a self-similarity, and

a local exponent of fractal dimension is a value obtained, upon calculating the fractal dimension of a curved surface of the three-dimensional power spectrum array by using a box-counting method, by inverting the sign of an inclination of a straight line that interconnects two mutually adjacent points when logarithms of a necessary minimum number of reference boxes for covering the curved surface are plotted with respect to a logarithm of a size of each one side of the reference boxes, the local exponent of fractal dimension being a value that represents a self-similarity of the shape, and the local exponent of fractal dimension has a value of not smaller than 2.2 and not greater than 2.8 in a range in which a spectro-temporal index defined by normalizing one side of the reference box is 2⁻

1 to 2<sup>−

5</sup> and a fluctuation range of the local exponent of fractal dimension within 0.4 when the spectro-temporal index changes in a range of 2<sup>−

1</sup> to 2<sup>−

5</sup>, and

wherein (2) the second property is defined such that a degree of one of predictability and irregularity of time series of the vibration signal changes with time except for the time series of the vibration signal that are completely predictable and regular and for the time series of the vibration signal that are completely unpredictable and random,

an information entropy density representing the irregularity of time series data has a value in a range of not smaller than −

5 and smaller than zero, and an entropy variation index (EV-index), which is a variance of the information entropy density and represents a degree of time variance, has a value of not smaller than 0.001 for 51.2 seconds.

28. A vibration generating method including a step of generating one of a vibration and a vibration signal, which contains audible range components that are vibration components in an audible frequency range and super-highfrequency components within a range exceeding the audible frequency range up to a predetermined maximum frequency and has an autocorrelation order represented by at least either one of a first property and a second property, the vibration generating method being able to introduce a fundamental brain activation effect for a human being into a fundamental brain including brain stem, thalamus and hypothalamus that are regions to bear a fundamental brain function and a fundamental brain network of neuronal projection from the fundamental brain to various brain regions by applying one of the vibration and an actual vibration generated from the vibration signal to the human being,

wherein (1) the first property has a fractal nature such that a shape of a three-dimensional power spectrum array of time, frequency and power of the components exceeding the audible frequency range is a complexity having a self-similarity, and

a local exponent of fractal dimension is a value obtained, upon calculating the fractal dimension of a curved surface of the three-dimensional power spectrum array by using a box-counting method, by inverting the sign of an inclination of a straight line that interconnects two mutually adjacent points when logarithms of a necessary minimum number of reference boxes for covering the curved surface are plotted with respect to a logarithm of a size of each one side of the reference boxes, the local exponent of fractal dimension being a value that represents a self-similarity of the shape, and the local exponent of fractal dimension has a value of not smaller than 2.2 and not greater than 2.8 in a range in which a spectro-temporal index defined by normalizing one side of the reference box is 2⁻

1 to 2<sup>−

5</sup> and a fluctuation range of the local exponent of fractal dimension within 0.4 when the spectro-temporal index changes in a range of 2<sup>−

1</sup> to 2<sup>−

5</sup>, and

wherein (2) the second property is defined such that a degree of one of predictability and irregularity of time series of the vibration signal changes with time except for the time series of the vibration signal that are completely predictable and regular and for the time series of the vibration signal that are completely unpredictable and random,

an information entropy density representing the irregularity of time series data has a value in a range of not smaller than −

5 and smaller than zero, and an entropy variation index (EV-index), which is a variance of the information entropy density and represents a degree of time variance, has a value of not smaller than 0.001 for 51.2 seconds.

40. The vibration generating method as claimed in claim 28,

wherein the vibration generating method is provided for introducing a fundamental brain activation effect for a human being into a fundamental brain including a reward system neural circuit that is a brain function region being unitarily comprehensively responsible for generation of all reactions of pleasure, beauty and emotion and a fundamental brain network by applying a vibration generated by the vibration generating method to the human being while applying predetermined information to the human through at least one of visual sensation, gustatory sensation, somatic sensation and olfactory sensation other than auditory sensation, thereby enhancing aesthetic sensibility to at least one piece of information, which is applied to the human being at same time as the vibration and is selected from visual sensation, gustatory sensation, somatic sensation and olfactory sensation other than auditory sensation, and enhancing reactions of pleasure, beauty and emotion.

41. A computer-readable recording medium for recording the vibration signal generated by a vibration generating apparatus, by a computer onto the recording medium,

wherein the vibration generating apparatus comprises a device for generating one of a vibration and a vibration signal, which contains audible range components that are vibration components in an audible frequency range and super-highfrequency components within a range exceeding the audible frequency range up to a predetermined maximum frequency and has an autocorrelation order represented by at least either one of a first property and a second property, the vibration generating apparatus being able to introduce a fundamental brain activation effect for a human being into a fundamental brain including brain stem, thalamus and hypothalamus that are regions to bear a fundamental brain function and a fundamental brain network of neuronal projection from the fundamental brain to various brain regions by applying one of the vibration and an actual vibration generated from the vibration signal to the human being,

wherein (1) the first property has a fractal nature such that a shape of a three-dimensional power spectrum array of time, frequency and power of the components exceeding the audible frequency range is a complexity having a self-similarity, and

a local exponent of fractal dimension is a value obtained, upon calculating the fractal dimension of a curved surface of the three-dimensional power spectrum array by using a box-counting method, by inverting the sign of an inclination of a straight line that interconnects two mutually adjacent points when logarithms of a necessary minimum number of reference boxes for covering the curved surface are plotted with respect to a logarithm of a size of each one side of the reference boxes, the local exponent of fractal dimension being a value that represents a self-similarity of the shape, and the local exponent of fractal dimension has a value of not smaller than 2.2 and not greater than 2.8 in a range in which a spectro-temporal index defined by normalizing one side of the reference box is 2⁻

1 to 2<sup>−

5</sup> and a fluctuation range of the local exponent of fractal dimension within 0.4 when the spectro-temporal index changes in a range of 2<sup>−

1</sup> to 2<sup>−

5</sup>, and

wherein (2) the second property is defined such that a degree of one of predictability and irregularity of time series of the vibration signal changes with time except for the time series of the vibration signal that are completely predictable and regular and for the time series of the vibration signal that are completely unpredictable and random,

an information entropy density representing the irregularity of time series data has a value in a range of not smaller than −

5 and smaller than zero, and an entropy variation index (EV-index), which is a variance of the information entropy density and represents a degree of time variance, has a value of not smaller than 0.001 for 51.2 seconds.

42. A communication apparatus comprising a communication device for transmitting the vibration signal generated by a vibration generating apparatus via a communication medium,

wherein the vibration generating apparatus comprises a device for generating one of a vibration and a vibration signal, which contains audible range components that are vibration components in an audible frequency range and super-highfrequency components within a range exceeding the audible frequency range up to a predetermined maximum frequency and has an autocorrelation order represented by at least either one of a first property and a second property, the vibration generating apparatus being able to introduce a fundamental brain activation effect for a human being into a fundamental brain including brain stem, thalamus and hypothalamus that are regions to bear a fundamental brain function and a fundamental brain network of neuronal projection from the fundamental brain to various brain regions by applying one of the vibration and an actual vibration generated from the vibration signal to the human being,

wherein (1) the first property has a fractal nature such that a shape of a three-dimensional power spectrum array of time, frequency and power of the components exceeding the audible frequency range is a complexity having a self-similarity, and

a local exponent of fractal dimension is a value obtained, upon calculating the fractal dimension of a curved surface of the three-dimensional power spectrum array by using a box-counting method, by inverting the sign of an inclination of a straight line that interconnects two mutually adjacent points when logarithms of a necessary minimum number of reference boxes for covering the curved surface are plotted with respect to a logarithm of a size of each one side of the reference boxes, the local exponent of fractal dimension being a value that represents a self-similarity of the shape, and the local exponent of fractal dimension has a value of not smaller than 2.2 and not greater than 2.8 in a range in which a spectro-temporal index defined by normalizing one side of the reference box is 2⁻

1 to 2<sup>−

5</sup> and a fluctuation range of the local exponent of fractal dimension within 0.4 when the spectro-temporal index changes in a range of 2<sup>−

1</sup> to 2<sup>−

5</sup>, and

wherein (2) the second property is defined such that a degree of one of predictability and irregularity of time series of the vibration signal changes with time except for the time series of the vibration signal that are completely predictable and regular and for the time series of the vibration signal that are completely unpredictable and random,

an information entropy density representing the irregularity of time series data has a value in a range of not smaller than −

5 and smaller than zero, and an entropy variation index (EV-index), which is a variance of the information entropy density and represents a degree of time variance, has a value of not smaller than 0.001 for 51.2 seconds.

43. A vibration discriminating apparatus comprising a discriminator for discriminating whether or not an inputted vibration signal contains audible range components that are vibration components in an audible frequency range and super-high-frequency components within a range exceeding the audible frequency range up to a predetermined maximum frequency and has an autocorrelation order represented by at least either one of a first property and a second property, the discriminator discriminating whether or not a fundamental brain activation effect for a human being can be introduced into a fundamental brain including the brain stem, thalamus and hypothalamus that are regions to bear a fundamental brain function and a fundamental brain network of neuronal projection from the fundamental brain to various brain regions, by applying an actual vibration generated from the vibration signal to the human being,

wherein (1) the first property has a fractal nature such that a shape of a three-dimensional power spectrum array of time, frequency and power of the components exceeding the audible frequency range is a complexity having a self-similarity, and

a local exponent of fractal dimension is a value obtained, upon calculating the fractal dimension of a curved surface of the three-dimensional power spectrum array by using a box-counting method, by inverting the sign of an inclination of a straight line that interconnects two mutually adjacent points when logarithms of a necessary minimum number of reference boxes for covering the curved surface are plotted with respect to a logarithm of a size of each one side of the reference boxes, the local exponent of fractal dimension being a value that represents a self-similarity of the shape, and the local exponent of fractal dimension has a value of not smaller than 2.2 and not greater than 2.8 in a range in which a spectro-temporal index defined by normalizing one side of the reference box is 2⁻

1 to 2<sup>−

5</sup> and a fluctuation range of the local exponent of fractal dimension within 0.4 when the spectro-temporal index changes in a range of 2<sup>−

1</sup> to 2<sup>−

5</sup>, and

wherein (2) the second property is defined such that a degree of one of predictability and irregularity of time series of the vibration signal changes with time except for the time series of the vibration signal that are completely predictable and regular and for the time series of the vibration signal that are completely unpredictable and random,

an information entropy density representing the irregularity of time series data has a value in a range of not smaller than −

5 and smaller than zero, and an entropy variation index (EV-index), which is a variance of the information entropy density and represents a degree of time variance, has a value of not smaller than 0.001 for 51.2 seconds.

44. The vibration discriminating apparatus as claimed in claim 43,

wherein the discriminator comprises:

a first partial discriminator for discriminating whether or not the inputted vibration signal is a vibration signal that contains components in the audible frequency range and whether or not the signal contains super-highfrequency components within a range exceeding the audible frequency range up to the maximum frequency;

a second partial discriminator for discriminating whether or not the inputted vibration signal has the autocorrelation order represented by the first property;

a third partial discriminator for discriminating whether or not the inputted vibration signal has the autocorrelation order represented by the second property; and

a final discriminator for discriminating whether or not the inputted vibration signal has the autocorrelation order based on discrimination results of the first to third discriminator.

46. A vibration discriminating method including a discrimination step of discriminating whether or not an inputted vibration signal contains audible range components that are vibration components in an audible frequency range and super-high-frequency components within a range exceeding the audible frequency range up to a predetermined maximum frequency and has an autocorrelation order represented by at least either one of a first property and a second property, the discrimination step discriminating whether or not a fundamental brain activation effect for a human being can be introduced into a fundamental brain including the brain stem, thalamus and hypothalamus that are regions to bear a fundamental brain function and a fundamental brain network of neuronal projection from the fundamental brain to various brain regions, by applying an actual vibration generated from the vibration signal to the human being,

wherein (1) the first property has a fractal nature such that a shape of a three-dimensional power spectrum array of time, frequency and power of the components exceeding the audible frequency range is a complexity having a self-similarity, and

a local exponent of fractal dimension is a value obtained, upon calculating the fractal dimension of a curved surface of the three-dimensional power spectrum array by using a box-counting method, by inverting the sign of an inclination of a straight line that interconnects two mutually adjacent points when logarithms of a necessary minimum number of reference boxes for covering the curved surface are plotted with respect to a logarithm of a size of each one side of the reference boxes, the local exponent of fractal dimension being a value that represents a self-similarity of the shape, and the local exponent of fractal dimension has a value of not smaller than 2.2 and not greater than 2.8 in a range in which a spectro-temporal index defined by normalizing one side of the reference box is 2⁻

1 to 2<sup>−

5</sup> and a fluctuation range of the local exponent of fractal dimension within 0.4 when the spectro-temporal index changes in a range of 2<sup>−

1</sup> to 2<sup>−

5</sup>, and

wherein (2) the second property is defined such that a degree of one of predictability and irregularity of time series of the vibration signal changes with time except for the time series of the vibration signal that are completely predictable and regular and for the time series of the vibration signal that are completely unpredictable and random,

an information entropy density representing the irregularity of time series data has a value in a range of not smaller than −

5 and smaller than zero, and an entropy variation index (EV-index), which is a variance of the information entropy density and represents a degree of time variance, has a value of not smaller than 0.001 for 51.2 seconds.

47. The vibration discriminating method as claimed in claim 46,

wherein the discrimination step includes the followings:

a first partial discrimination step of discriminating whether or not the inputted vibration signal is a vibration signal that contains components in the audible frequency range and whether or not the signal contains super-highfrequency components within a range exceeding the audible frequency range up to the maximum frequency;

a second partial discrimination step of discriminating whether or not the inputted vibration signal has the autocorrelation order represented by the first property;

a third partial discrimination step of discriminating whether or not the inputted vibration signal has the autocorrelation order represented by the second property; and

a final discrimination step of discriminating whether or not the inputted vibration signal has the autocorrelation order based on discrimination results of the first to third discrimination steps.

48. A computer-executable program product comprising the steps of a vibration discriminating method, which is executed by a computer,

wherein the vibration discriminating method includes a discrimination step of discriminating whether or not an inputted vibration signal contains audible range components that are vibration components in an audible frequency range and super-high-frequency components within a range exceeding the audible frequency range up to a predetermined maximum frequency and has an autocorrelation order represented by at least either one of a first property and a second property, the discrimination step discriminating whether or not a fundamental brain activation effect for a human being into a fundamental brain including the brain stem, thalamus and hypothalamus that are regions to bear a fundamental brain function and a fundamental brain network of neuronal projection from the fundamental brain to various brain regions can be introduced by applying an actual vibration generated from the vibration signal to the human being,

wherein (1) the first property has a fractal nature such that a shape of a three-dimensional power spectrum array of time, frequency and power of the components exceeding the audible frequency range is a complexity having a self-similarity, and

a local exponent of fractal dimension is a value obtained, upon calculating the fractal dimension of a curved surface of the three-dimensional power spectrum array by using a box-counting method, by inverting the sign of an inclination of a straight line that interconnects two mutually adjacent points when logarithms of a necessary minimum number of reference boxes for covering the curved surface are plotted with respect to a logarithm of a size of each one side of the reference boxes, the local exponent of fractal dimension being a value that represents a self-similarity of the shape, and the local exponent of fractal dimension has a value of not smaller than 2.2 and not greater than 2.8 in a range in which a spectro-temporal index defined by normalizing one side of the reference box is 2⁻

1 to 2<sup>−

5</sup> and a fluctuation range of the local exponent of fractal dimension within 0.4 when the spectro-temporal index changes in a range of 2<sup>−

1</sup> to 2<sup>−

5</sup>, and

wherein (2) the second property is defined such that a degree of one of predictability and irregularity of time series of the vibration signal changes with time except for the time series of the vibration signal that are completely predictable and regular and for the time series of the vibration signal that are completely unpredictable and random,

an information entropy density representing the irregularity of time series data has a value in a range of not smaller than −

5 and smaller than zero, and an entropy variation index (EV-index), which is a variance of the information entropy density and represents a degree of time variance, has a value of not smaller than 0.001 for 51.2 seconds.

49. A computer-readable recording medium storing a program product, which is executed by a computer,

wherein the program product comprises the steps of a vibration discriminating method,

wherein the vibration discriminating method includes a discrimination step of discriminating whether or not an inputted vibration signal contains audible range components that are vibration components in an audible frequency range and super-high-frequency components within a range exceeding the audible frequency range up to a predetermined maximum frequency and has an autocorrelation order represented by at least either one of a first property and a second property, the discrimination step discriminating whether or not a fundamental brain activation effect for a human being into a fundamental brain including the brain stem, thalamus and hypothalamus that are regions to bear a fundamental brain function and a fundamental brain network of neuronal projection from the fundamental brain to various brain regions can be introduced by applying an actual vibration generated from the vibration signal to the human being,

wherein (1) the first property has a fractal nature such that a shape of a three-dimensional power spectrum array of time, frequency and power of the components exceeding the audible frequency range is a complexity having a self-similarity, and

a local exponent of fractal dimension is a value obtained, upon calculating the fractal dimension of a curved surface of the three-dimensional power spectrum array by using a box-counting method, by inverting the sign of an inclination of a straight line that interconnects two mutually adjacent points when logarithms of a necessary minimum number of reference boxes for covering the curved surface are plotted with respect to a logarithm of a size of each one side of the reference boxes, the local exponent of fractal dimension being a value that represents a self-similarity of the shape, and the local exponent of fractal dimension has a value of not smaller than 2.2 and not greater than 2.8 in a range in which a spectro-temporal index defined by normalizing one side of the reference box is 2⁻

1 to 2<sup>−

5</sup> and a fluctuation range of the local exponent of fractal dimension within 0.4 when the spectro-temporal index changes in a range of 2<sup>−

1</sup> to 2<sup>−

5</sup>, and

wherein (2) the second property is defined such that a degree of one of predictability and irregularity of time series of the vibration signal changes with time except for the time series of the vibration signal that are completely predictable and regular and for the time series of the vibration signal that are completely unpredictable and random,

an information entropy density representing the irregularity of time series data has a value in a range of not smaller than −

5 and smaller than zero, and an entropy variation index (EV-index), which is a variance of the information entropy density and represents a degree of time variance, has a value of not smaller than 0.001 for 51.2 seconds.