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перекодировка_звука
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перекодировка_звука [2019/10/18 16:32] val |
перекодировка_звука [2020/12/12 21:09] val [Перекодировка alaw в ogg формат] |
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| ====== Перекодировка звука ====== | ====== Перекодировка звука ====== | ||
| - | ===== Уствновка ПО ===== | ||
| - | |||
| - | ==== FreeBSD ==== | ||
| - | |||
| - | * [[Управление дополнительным ПО в FreeBSD#Установка ПО из портов]] | ||
| - | |||
| - | <code> | ||
| - | [server:~] # cd /usr/ports/audio/lame/ | ||
| - | |||
| - | [server:ports/audio/lame] # make install clean | ||
| - | ... | ||
| - | [server:ports/audio/lame] # cd | ||
| - | |||
| - | [server:~] # pkg install sox | ||
| - | |||
| - | [server:~] # rehash | ||
| - | |||
| - | [server:~] # fetch http://val.bmstu.ru/unix/Media/Knockin_on_Heavens_Door.mp3 | ||
| - | </code> | ||
| ==== 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> | ||
| ===== Перекодировка alaw в ogg формат ===== | ===== Перекодировка alaw в ogg формат ===== | ||
| + | |||
| + | * [[http://val.bmstu.ru/unix/Media/speech.alaw]] | ||
| + | |||
| <code> | <code> | ||
| - | # sox -t al /var/lib/asterisk/sounds/custom/greeting.alaw greeting.wav | + | # apt install ffmpeg |
| + | |||
| + | $ cd /usr/share/asterisk/sounds/recordings/ | ||
| + | |||
| + | $ sox -t al -r 8000 -c 1 speech.alaw speech.wav | ||
| - | # ffmpeg -i greeting.wav -acodec libvorbis greeting.ogg | + | $ 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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