Apparatus and method of sound modulation using touch screen with pressure sensor
First Claim
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1. A sound modulation apparatus, comprising:
- a sensor information input unit configured to receive sensing information on a position, at which a touch input of a user is applied to a screen, and a pressure of the touch input applied to the screen; and
a sound modulation unit configured to set a tone frequency and volume of a sound to be output, and set the tone frequency according to the position, to which the touch input of the user is applied, and set the volume according to a size of the pressure of the touch input,wherein the sound modulation unit includes a volume controlling unit, which determines a reference pressure according to the pressure of the touch input at a predetermined reference time, and sets the volume according to a size of the determined reference pressure, andwherein the sound modulation unit further includes a frequency controlling unit, which sets the tone frequency according to the position, to which the touch input is applied, and changes the tone frequency according to a change in a size of the pressure of the touch input.
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Abstract
Disclosed are an apparatus and a method of generating a sound by using a touch screen. A sound modulation apparatus according to the present invention includes: a sensor information input unit configured to receive sensing information on a position, at which a touch input of a user is applied to the screen, and pressure according to the touch input applied to the screen; and a sound modulation unit configured to set a tone frequency and volume of a sound to be output, and set the tone frequency according to the position, to which the touch input of the user is applied, and set the volume according to a size of the pressure according to the touch input.
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Citations
19 Claims
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1. A sound modulation apparatus, comprising:
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a sensor information input unit configured to receive sensing information on a position, at which a touch input of a user is applied to a screen, and a pressure of the touch input applied to the screen; and a sound modulation unit configured to set a tone frequency and volume of a sound to be output, and set the tone frequency according to the position, to which the touch input of the user is applied, and set the volume according to a size of the pressure of the touch input, wherein the sound modulation unit includes a volume controlling unit, which determines a reference pressure according to the pressure of the touch input at a predetermined reference time, and sets the volume according to a size of the determined reference pressure, and wherein the sound modulation unit further includes a frequency controlling unit, which sets the tone frequency according to the position, to which the touch input is applied, and changes the tone frequency according to a change in a size of the pressure of the touch input. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 17)
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15. A sound modulation method, comprising:
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a pressure sensing operation of receiving information including a detected position, at which a touch input of a user is applied to a screen, and a detected pressure of the touch input applied to the screen by using a pressure sensor; a volume setting operation of setting, by a sound modulation unit, a volume of a sound to be output according to a size of the pressure of the touch input; and a frequency setting operation of setting, by the sound modulation unit, a tone frequency of the sound according to the position, to which the touch input is applied, wherein in the volume setting operation, a recognized pressure is determined according to the pressure of the touch input at a predetermined recognition time, and the volume is set according to a size of the determined recognized pressure, and wherein in the frequency setting operation, the tone frequency is set according to the position, to which the touch input is applied, and the tone frequency is changed according to a change in a size of the pressure of the touch input. - View Dependent Claims (16, 18)
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19. A sound modulation apparatus, comprising:
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a sensor information input unit configured to receive sensing information on a position at which a touch input of a user is applied to a screen, and a pressure of the touch input applied to the screen; and a sound modulation unit configured to set a tone frequency and volume of a sound to be output, to set the tone frequency according to the position to which the touch input of the user is applied, and to set the volume according to a size of the pressure of the touch input, wherein the sound modulation unit includes a volume controlling unit, which determines a reference pressure according to the pressure of the touch input at a predetermined reference time, and sets the volume according to a size of the determined reference pressure, wherein the volume controlling unit determines the pressure of the touch input at the reference time as the reference pressure, and wherein the reference time is a time point after the size of the pressure of the touch input is increased to a predetermined size or more.
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Specification