APPARATUS AND METHOD FOR IMPROVING VOICE QUALITY IN PORTABLE TERMINAL
First Claim
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1. An apparatus for improving a voice quality in a portable terminal, the apparatus comprising:
- a sound quality improving unit for changing a Digital Signal Processing (DSP) filter value; and
a controller for controlling a voice quality according to a user'"'"'s voice quality based on the changed DSP filter value.
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Abstract
An apparatus and method for improving a sound quality of a portable terminal are provided. Particularly, an apparatus and method for tuning to a voice quality that a user desires using the portable terminal, in case where the user determines an abnormal sound quality, are provided. The apparatus includes a sound quality improving unit for selecting a Digital Signal Processing (DSP) filter value corresponding to a voice quality that a user desires among a plurality of DSP filters for controlling the voice quality according to a user'"'"'s voice quality.
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Citations
19 Claims
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1. An apparatus for improving a voice quality in a portable terminal, the apparatus comprising:
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a sound quality improving unit for changing a Digital Signal Processing (DSP) filter value; and a controller for controlling a voice quality according to a user'"'"'s voice quality based on the changed DSP filter value. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method for improving a voice quality in a portable terminal, the method comprising:
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changing a Digital Signal Processing (DSP) filter value; and controlling a voice quality according to a user'"'"'s voice quality based on the changed DSP filter value. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. A method for improving a voice quality in a mobile terminal by changing a predefined filter value, the method comprising:
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determining if a user is on a voice call with another user; determining a voice quality for the called user, if the user is on a voice call with another user; determining if the voice quality is abnormal due to a high frequency band or a low frequency band; determining if the voice quality is a high sound quality or a low sound quality; performing a motion for a Low Pass Filter (LPF) operation if it is determined that the voice quality for the called user is a high sound quality; performing a motion for a High Pass Filter (HPF) operation if it is determined that the voice quality for the called user is a low sound quality, wherein the motion for the low pass or high pass filter operation comprises at least one of a preset motion and an easy motion of the mobile terminal directly set by the user, and wherein the predefined filter comprises a filter whose gain value of the high frequency band or the low frequency band is differently set to pass the high frequency band or the low frequency band. - View Dependent Claims (18, 19)
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Specification