Engineering
声音在电脑里就是一串数字
这一节只建立三个概念:采样率是多久量一次,位宽是每个数字用多大的格子,声道是同一时刻有几列数字。它们合起来就是 PCM。仓库里的 csd2_write 负责把这串数字送去播放,csd2_read 负责从麦克风把数字拿回来
1 min read
Android
QNX
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