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decoder for audio signals, the compressed and coded audiovisual data streams form part
decoder for audio signals, the compressed and coded audiovisual data streams form part
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机译:音频信号解码器,压缩和编码的视听数据流构成一部分
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摘要
A decoder for audio signals belonging to audio-visual streams coded in accordance with standard ISO/IEC 11172 is provided. Said decoder comprises a presentation unit (UP) which is controlled by a first and a second clock signal, depending on the desired sampling rate, and is associated to means (SAV) managing audio-video synchronisation. The latter means start the presentation of output data by comparing a first timing signal (SCR), representative of a system clock signal, and a second timing signal (PTS), representative of a correct instant of data presentation, independently generate the two clock signals (CLK24, CLK22) and correct the signal corresponding to the desired sampling rate by means of a feedback circuit which comprises a digital filter (FD). IMAGE
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