Give an implement scheme of digital interface audio card based on DSP, ISP and special digital audio interface chip, which can do full process of audio recording, playing, editing and compressing.

提出一种基于DSP、ISP及专用数字音频接口芯片的数字接口音频卡的实现方案，可以完成音频信号录播、编辑、压缩过程的全数字化处理。

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