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перекодировка_звука
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перекодировка_звука [2020/12/12 21:04] val [Перекодировка alaw в ogg формат] |
перекодировка_звука [2020/12/12 21:12] (current) val |
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| ====== Перекодировка звука ====== | ====== Перекодировка звука ====== | ||
| - | ==== Debian/Ubuntu ==== | + | ===== Перекодировка в raw формат для asterisk ===== |
| <code> | <code> | ||
| # apt install lame | # apt install lame | ||
| # 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> | ||
| - | ===== Перекодировка mp3 в raw формат для asterisk ===== | ||
| - | <code> | ||
| # lame --decode Knockin_on_Heavens_Door.mp3 | # lame --decode Knockin_on_Heavens_Door.mp3 | ||
| Line 15: | Line 13: | ||
| </code> | </code> | ||
| - | ===== Перекодировка alaw в ogg формат ===== | + | ===== Перекодировка в ogg формат ===== |
| * [[http://val.bmstu.ru/unix/Media/speech.alaw]] | * [[http://val.bmstu.ru/unix/Media/speech.alaw]] | ||
| <code> | <code> | ||
| - | # cd /usr/share/asterisk/sounds/recordings/ | + | # apt install ffmpeg |
| + | |||
| + | $ cd /usr/share/asterisk/sounds/recordings/ | ||
| - | # sox -t al -r 8000 -c 1 speech.alaw speech.wav | + | $ sox -t al -r 8000 -c 1 speech.alaw speech.wav |
| - | # ffmpeg -nostats -loglevel 0 -i speech.wav -acodec libvorbis speech.ogg | + | $ ffmpeg -nostats -loglevel 0 -i speech.wav -acodec libvorbis speech.ogg |
| </code> | </code> | ||
перекодировка_звука.1607796262.txt.gz · Last modified: 2020/12/12 21:04 by val
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