Patent ID: 7830455
Filing Date: 2010-11-09
Classification: H04N

Abstract:
1. A method for managing gain value for each channel of a TV set, the method comprising the steps of: receiving a channel selection command for selecting a channel; signaling a tuner to receive broadcasting signals of a corresponding channel in response to the channel selection command; reading a predetermined gain value of the channel from a setting table; updating a default gain value using the predetermined gain value; amplifying and outputting audio signals extracted from the broadcasting signals of the channel according to the default gain value; receiving a gain adjustment command for adjusting a gain value; adjusting the default gain value to an adjusted gain value according to the gain adjustment command; updating the default gain value using the adjusted gain value; signaling a gain control unit to amplify the audio signals of the channel according to the default gain value; calculating an integrated gain value according to the predetermined gain value and the default gain value; and updating the predetermined gain value of the channel using the integrated gain value.