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перекодировка_звука
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перекодировка_звука [2013/05/22 13:50] 127.0.0.1 внешнее изменение |
перекодировка_звука [2020/12/12 21:09] val [Перекодировка alaw в ogg формат] |
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| ====== Перекодировка звука ====== | ====== Перекодировка звука ====== | ||
| - | ===== Уствновка ПО ===== | + | ==== Debian/Ubuntu ==== |
| - | + | ||
| - | ==== FreeBSD ==== | + | |
| <code> | <code> | ||
| - | [server:~] # cd /usr/ports/audio/lame/ | + | # apt install lame |
| - | [server:ports/audio/lame] # make install clean | + | # wget http://val.bmstu.ru/unix/Media/Knockin_on_Heavens_Door.mp3 |
| - | ... | + | |
| - | [server:ports/audio/lame] # cd | + | |
| - | + | ||
| - | [server:~] # pkg_add -r sox | + | |
| - | + | ||
| - | [server:~] # rehash | + | |
| - | + | ||
| - | [server:~] # fetch http://val.bmstu.ru/unix/Knockin_on_Heavens_Door.mp3 | + | |
| </code> | </code> | ||
| + | ===== Перекодировка mp3 в raw формат для asterisk ===== | ||
| - | ==== Ubuntu ==== | ||
| <code> | <code> | ||
| - | root@server:~# apt-get install lame | + | # lame --decode Knockin_on_Heavens_Door.mp3 |
| - | root@server:~# wget http://val.bmstu.ru/unix/Knockin_on_Heavens_Door.mp3 | + | # sox -V Knockin_on_Heavens_Door.wav -r 8000 -c 1 Knockin_on_Heavens_Door.raw |
| </code> | </code> | ||
| - | ===== Перекодировка mp3 в raw формат для asterisk ===== | + | ===== Перекодировка alaw в ogg формат ===== |
| + | |||
| + | * [[http://val.bmstu.ru/unix/Media/speech.alaw]] | ||
| <code> | <code> | ||
| - | server# lame --decode Knockin_on_Heavens_Door.mp3 | + | # apt install ffmpeg |
| + | |||
| + | $ cd /usr/share/asterisk/sounds/recordings/ | ||
| + | |||
| + | $ sox -t al -r 8000 -c 1 speech.alaw speech.wav | ||
| - | server# sox -V Knockin_on_Heavens_Door.mp3.wav -r 8000 -c 1 Knockin_on_Heavens_Door.mp3.raw | + | $ 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> | ||
перекодировка_звука.txt · Last modified: 2020/12/12 21:12 by val
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