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перекодировка_звука [2020/05/24 18:07] val |
перекодировка_звука [2020/12/12 21:09] val [Перекодировка alaw в ogg формат] |
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==== Debian/Ubuntu ==== | ==== Debian/Ubuntu ==== | ||
<code> | <code> | ||
- | root@server:~# apt install lame | + | # apt install lame |
- | root@server:~# wget http://val.bmstu.ru/unix/Media/Knockin_on_Heavens_Door.mp3 | + | # wget http://val.bmstu.ru/unix/Media/Knockin_on_Heavens_Door.mp3 |
</code> | </code> | ||
===== Перекодировка mp3 в raw формат для asterisk ===== | ===== Перекодировка mp3 в raw формат для asterisk ===== | ||
<code> | <code> | ||
- | server# lame --decode Knockin_on_Heavens_Door.mp3 | + | # lame --decode Knockin_on_Heavens_Door.mp3 |
- | server# sox -V Knockin_on_Heavens_Door.wav -r 8000 -c 1 Knockin_on_Heavens_Door.raw | + | # sox -V Knockin_on_Heavens_Door.wav -r 8000 -c 1 Knockin_on_Heavens_Door.raw |
</code> | </code> | ||
Line 20: | Line 20: | ||
<code> | <code> | ||
- | # sox -t al -r 8000 -c 1 /usr/share/asterisk/sounds/recordings/speech.alaw speech.wav | + | # apt install ffmpeg |
- | # ffmpeg -nostats -loglevel 0 -i speech.wav -acodec libvorbis speech.ogg | + | $ cd /usr/share/asterisk/sounds/recordings/ |
+ | |||
+ | $ sox -t al -r 8000 -c 1 speech.alaw speech.wav | ||
+ | |||
+ | $ ffmpeg -nostats -loglevel 0 -i speech.wav -acodec libvorbis speech.ogg | ||
</code> | </code> | ||
===== Перекодировка avi в mp3 формат ===== | ===== Перекодировка avi в mp3 формат ===== | ||
<code> | <code> | ||
- | server# lame --preset voice -v -B 64 -a XYZ.wav XYZ.mp3 | + | # lame --preset voice -v -B 64 -a XYZ.wav XYZ.mp3 |
</code> | </code> |