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rec WARN alsa: can't encode 0-bit Unknown or not applicable
ALSA lib pcm.c:2565:(snd_pcm_open_noupdate) Unknown PCM hw0,0
rec FAIL formats: can't open input `hw:0': snd_pcm_open error: No such file or directory
rec FAIL sox: Sorry, there is no default audio device configured
在主目录.bashrc中添加
export AUDIODEV=hw:1,0
export AUDIODRIVER=alsa
Raspberry pi 上import numpy出错:
ImportError: libf77blas.so.3: cannot open shared object file: No such file or directory
直接安装:
sudo apt-get install libatlas-base-dev
在/etc/rc.local写程序的启动命令(系统执行内核过程中会启动init进程,该进程把当前runlevel所对应的的所有service 都启动后,才会执行rc.local里的命令),程序默认以root身份启动;也可以通过 sudo -u user1 命令 指定以user1身份启动。
比如:
sudo -u pi sh my.sh
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