https://blog.51cto.com/u_15941409/6031132
http://www.taodudu.cc/news/show-5181643.html?action=onClick

ubuntu安装

https://blog.csdn.net/qq_29729577/article/details/53706551

1. 清除系统原有的alsa模块

sudo apt-get remove linux-sound-base alsa-base alsa-utils

2. 重新安装alsa模块

sudo apt-get install xmlto libasound2-dev

sudo apt-get install linux-sound-base alsa-base alsa-utils

3. 安装alsa-lib,从alsa官网下载即可

    下载解压后步骤如下:

        进入解压目录,

        ./configure && make

        sudo make install

     若要卸载,则是如下命令

        ./configure && make

         sudo make uninstall

alsa-utils模块

https://www.jianshu.com/p/1b79537da86d
https://blog.51cto.com/u_15932540/5996445
包括 alsactl, aconnect, alsamixer, amidi, amixer, aplay, aplaymidi, arecord, arecordmidi,
aseqnet, iecset, speaker-test

  • aplay
    aplay播放wav格式音频,但是不能播放mp3格式,会变成噪音。

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