Method and system for adjusting audio/video effects

摘要

Disclosed is a method and system for adjusting audio/video effect. The system comprises a tuner with demodulator, a DTV decoder, an audio/video mapping unit, and an audio/video processing unit. The method comprises the steps of receiving a digital TV signal; transmitting the service information signal in the digital TV signal to the audio/video mapping unit. Then, the mapping unit is used for comparing the service information signal with parameter tables to obtain at least one audio/video parameter value. Finally, the audio/video processing unit adjusts the digital TV signal based on the audio/video parameter value.