Questions tagged «usb-audio»

1
RasPi-USB麦克风锁定
在我的RasPi板上,Debian Linux上,USB麦克风偶尔会被锁住,以致没有人可以使用它。麦克风具有一个LED,该LED通常会闪烁,锁定时会关闭。 该实用程序arecord对它的描述如下: card 1: Device [DYNEX USB MIC Device], device 0:USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 当麦克风停止工作时,进行以下arecord诊断: > arecord -D plughw:1,0 > recording.wav Recording WAVE 'stdin' : Unsigned 8 bit, Rate 8000 Hz, Mono arecord: set_params:1145: Unable to install hw_params: ACCESS: RW_INTERLEAVED FORMAT: U8 etc... …
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