Patent ID: 8712565

Claim:
A data processing apparatus for processing a signal provided at a first rate, the signal comprising fields of video data and samples of audio data, the fields of video data corresponding to respective sets of the samples of audio data, the sets of samples of audio data being played back in an order of the corresponding fields, the data processing apparatus comprising: two or more signal processing units, including: a first signal processing unit configured to: obtain a first sequence comprising first and second of the sets of samples of audio data corresponding to first and second of the fields of video data, respectively, and process the first and second sets of samples of audio data at a second rate to produce first and second sets of processed audio samples; and a second signal processing unit configured to: obtain a second sequence comprising a third of the sets of samples of audio data corresponding to a third of the fields of video data, and process the third set of audio samples at the second rate to produce a third set of processed audio samples; and an audio processing unit configured to: arrange the first, second, and third sets of processed audio samples in a third sequence in which the third set of processed audio samples is located between the first and second sets of processed audio samples, and transmit the first, second, and third sets of processed audio samples at the first rate and in the order of the corresponding fields of video data.