Method of sonifying brain electrical activity
First Claim
1. A method of sonifying brain signals using a digital processor system that comprises at least one processing unit, the method comprising:
- filtering, with a front-end module coupled to the digital processor system, a continuous time-domain sensor signal representing brain activity of a subject obtained from at least one sensor in order to generate a filtered continuous time-domain sensor signal;
producing a continuous time-domain signal representing the brain activity of the subject from the filtered continuous time-domain sensor signal using the digital processor system, the continuous time-domain signal having a time varying signal value;
concurrently generating a plurality of continuously time-varying acoustic parameters from the continuous time-domain signal using the digital processor system, the plurality of continuously time-varying acoustic parameters including a vowel-control parameter, an intensity-control parameter, and a pitch-control parameter, wherein at least three of the parameters in the plurality of continuously time-varying acoustic parameters are continuously modulated in proportion with at least the continuous time varying signal value of the time-domain signal during concurrent generation;
driving, with the digital processor system, an audio synthesizer using the concurrently generated plurality of continuously time-varying acoustic parameters, including the vowel-control parameter, the intensity-control parameter, and the pitch-control parameter, to produce a representation of an acoustic signal corresponding to the brain activity of the subject represented by the continuous time-domain signal;
performing continuous audio playback of the representation of the acoustic signal using the digital processor system, wherein performing the continuous audio playback comprises audibly providing, with at least one speaker, the representation of the acoustic signal for diagnosis and/or treatment of a condition of the subject.
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Abstract
A digital processor system having one or more processors and memory obtains a time-domain signal representing brain activity, the time-domain signal having a time varying signal value. The system concurrently generates a set of acoustic parameters, including a plurality of time-varying acoustic parameters, where one or more of the plurality of time-varying acoustic parameters is modulated in accordance with at least the signal value of the time-domain signal. The system combines the concurrently generated set of acoustic parameters to produce a representation of an acoustic signal corresponding to the time-domain signal, where the acoustic signal, in audible form, manifests one or more audibly discernible variations across a plurality of stages of a brain activity event.
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Citations
27 Claims
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1. A method of sonifying brain signals using a digital processor system that comprises at least one processing unit, the method comprising:
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filtering, with a front-end module coupled to the digital processor system, a continuous time-domain sensor signal representing brain activity of a subject obtained from at least one sensor in order to generate a filtered continuous time-domain sensor signal; producing a continuous time-domain signal representing the brain activity of the subject from the filtered continuous time-domain sensor signal using the digital processor system, the continuous time-domain signal having a time varying signal value; concurrently generating a plurality of continuously time-varying acoustic parameters from the continuous time-domain signal using the digital processor system, the plurality of continuously time-varying acoustic parameters including a vowel-control parameter, an intensity-control parameter, and a pitch-control parameter, wherein at least three of the parameters in the plurality of continuously time-varying acoustic parameters are continuously modulated in proportion with at least the continuous time varying signal value of the time-domain signal during concurrent generation; driving, with the digital processor system, an audio synthesizer using the concurrently generated plurality of continuously time-varying acoustic parameters, including the vowel-control parameter, the intensity-control parameter, and the pitch-control parameter, to produce a representation of an acoustic signal corresponding to the brain activity of the subject represented by the continuous time-domain signal; performing continuous audio playback of the representation of the acoustic signal using the digital processor system, wherein performing the continuous audio playback comprises audibly providing, with at least one speaker, the representation of the acoustic signal for diagnosis and/or treatment of a condition of the subject. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A digital processor system for sonifying brain signals, the digital processor system comprising:
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at least one processing unit; an interface for obtaining a continuous time-domain sensor signal representing brain activity of a subject from at least one sensor; an analog to digital converter directed to produce a digital continuous time domain signal representing brain activity, the digital continuous time domain signal having a time-varying value; a filter directed to filter the digital continuous time-domain sensor signal to generate a filtered continuous time-domain sensor signal; a non-transitory memory storing a plurality of modules which when executed by the at least one processing unit perform processing operations, the plurality of modules comprising; a plurality of signal modulators directed to concurrently generate a plurality of continuously time-varying acoustic parameters from the continuous time-domain signal, the plurality of continuously time-varying acoustic parameters including a vowel-control parameter, an intensity-control parameter, and a pitch-control parameter, wherein at least three of the parameters in the plurality of continuously time-varying acoustic parameters are continuously modulated in proportion with at least the continuous time-varying value of the time-domain signal during concurrent generation; a voice synthesizer directed to combine the concurrently generated plurality of continuously time-varying acoustic parameters, including the vowel-control parameter, the intensity-control parameter, and the pitch-control parameter, to produce a representation of an acoustic signal corresponding to the brain activity represented by the sensor continuous time-domain signal and for performing continuous audio playback of the representation of the acoustic signal; and at least one speaker to audibly provide the representation of the acoustic signal for diagnosis and/or treatment of a condition of the subject. - View Dependent Claims (19)
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20. A system for sonifying brain signals, comprising:
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at least one speaker; at least one processor; a non-transitory memory; and at least one program, wherein the at least one program is stored in the non-transitory memory and configured to be executed by the at least one processors, the at least one program including instructions for; producing a continuous time-domain signal representing the brain activity of a subject from a filtered continuous time-domain sensor signal, the continuous time-domain signal having a time-varying value, the filtered continuous time-domain signal being generated by filtering a continuous time-domain sensor signal representing brain activity of the subject obtained from at least one sensor; concurrently generating a plurality of continuously time-varying acoustic parameters from the continuous time-domain signal, the plurality of continuously time-varying acoustic parameters including a vowel-control parameter, an intensity-control parameter, and a pitch-control parameter, wherein at least three parameters in the plurality of continuously time-varying acoustic parameters are continuously modulated in proportion with at least the time-varying value of the time-domain signal during concurrent generation; driving an audio synthesizer using the concurrently generated plurality of continuously time-varying acoustic parameters, including the vowel-control parameter, the intensity-control parameter, and the pitch-control parameter, to produce a representation of an acoustic signal corresponding to the brain activity represented by the continuous time-domain signal; performing continuous audio playback of the representation of the acoustic signal, wherein performing the continuous audio playback comprises audibly providing, with at least one speaker, the representation of the acoustic signal for diagnosis and/or treatment of a condition of the living subject. - View Dependent Claims (21, 22, 23, 24, 25)
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26. A method of sonifying brain signals using a digital processor system that comprises at least one processing unit, the method comprising:
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filtering, with a front-end module coupled to the digital processor system, a continuous time-domain sensor signal representing brain activity of a subject obtained from at least one sensor in order to generate a filtered continuous time-domain sensor signal; producing a continuous time-domain signal representing the brain activity of the subject obtained from the at least one sensor from the filtered continuous time-domain sensor signal using the digital processor system, the continuous time-domain signal having a time varying signal value; concurrently generating a plurality of continuously time-varying acoustic parameters from the continuous time-domain signal using the digital processor system, the plurality of continuously time-varying acoustic parameters including a vowel-control parameter, an intensity-control parameter, and a pitch-control parameter, wherein at least three of the parameters in the plurality of continuously time-varying acoustic parameters are continuously modulated in proportion with at least the continuous time varying signal value of the time-domain signal during concurrent generation; driving, with the digital processor system, a vocal synthesizer using the concurrently generated plurality of continuously time-varying acoustic parameters, including the vowel-control parameter, the intensity-control parameter, and the pitch-control parameter, to produce a vocalized representation of an acoustic signal corresponding to the brain activity of the subject represented by the continuous time-domain signal; and performing continuous audio playback of the vocalized representation of the acoustic signal using the digital processor system, wherein performing the continuous audio playback comprises audibly providing, with at least one speaker, the vocalized representation of the acoustic signal for diagnosis and/or treatment of a condition of the living subject, wherein the vocalized representation of the acoustic signal manifests at least one audibly discernible variation across a plurality of stages of a brain activity event according to the continuously time-varying plurality of acoustic parameters. - View Dependent Claims (27)
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Specification