As above mentioned to go this way
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1. sudo apt-get update
2. sudo apt-get install g++ make libsigc++-1.2-dev libgsm1-dev libpopt-dev tcl8.5-dev libgcrypt-dev libspeex-dev libasound2-dev alsa-utils
3. wget http://sourceforge.net/projects/svxlink/files/svxlink/11.11/svxlink-11.11.tar.gz
4. tar xvzf svxlink-11.11.tar.gz
5. cd svxlink-11.11
6. make
7. sudo make install
安裝程序
1. edit /etc/modules to add "snd-usb-audio" entry and comment-out "snd-bcm2835"
2. edit /etc/modprobe.d/alsa-base.conf "options snd-usb-audio index=-2" to "options snd-usb-audio index=0"
3. 利用 "sudo modprobe snd-usb-audio" and "sudo lsmod" to active/display the result, "alsamixer" to adjust i/o gain)
4. 最後試看看放個mp3 "mpg123 abc.mp3"
USB轉RS232的卡,圖上UM2102是用Silicon Lab's CP2102,相信FTDI及旺玖的chip應也沒問題Taobao link
http://item.taobao.com/item.htm?spm=a1z0k.1000775.1.159.3q89SF&id=20203736261&_u=o21m8at4cea