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关于树莓派上利用pyaudio录音的讨论

2017-2-23 23:17:55 8393

0 树莓派上使用USB麦克风时，如果用python的pyaudio库进行录音时，会出现一大堆错误，相关的信息在网上已经查到过了，内容如下： The problem is this: Pyaudio() will try to find all the default devices on the same adapter. For the stock RPi card, there is no input device on the sound "card" (which is a chip). Like many I added a u*** microphone, which is recognized as a sound card, but can ONLY handle input. I reloaded my image on the Raspberry Pi and did not install Pyaudio, is not worth it. In the place where I wanted to use the microphone, I shell out from Python and call "arecord." This alsa utility is included with the Debian Wheezy distro for the Pi. Then I take the resulting ".wav" file and use that for speech recognition. Eventually I will find a way to use the microphone with Pyaudio. 具体应该怎么做来避免这个错误，还请指教 0
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