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调试DM8168的音频碰到问题



我的板的CPU是DM8168,在调试音频的时候录和播都是有声音,但是长时间录的时候会出现下面的问题:

(播放录的音频在出现这个问题的时候好像是卡顿了下,这是什么造成的?会是时钟采样率问题吗?求助!)

root@ti81xx# arecord -f S16_LE -r44100 -c 2 ./a.wmv

 Recording WAVE './a.wmv' : Signed 16 bit Little Endian, Rate 44100 Hz, Stereo

 overrun!!! (at least 245.116 ms long)

 overrun!!! (at least 216.925 ms long)

 overrun!!! (at least 844.286 ms long)

 overrun!!! (at least 207.152 ms long)

 overrun!!! (at least 2171.439 ms long)

 overrun!!! (at least 533.155 ms long)