Extract Audio from Video Stream with ffmpeg: Difference between revisions
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(Created page with "= Analyze Input Streams ffmpeg -i video.ts 2>&1 | grep Audio Any stream ffmpeg understands is possible = Select Stream from Output Stream #0:1[0x57a](deu): Audio: mp2 ([...") |
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= Analyze Input Streams | = Analyze Input Streams = | ||
ffmpeg -i video.ts 2>&1 | grep Audio | ffmpeg -i video.ts 2>&1 | grep Audio | ||
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Any stream ffmpeg understands is possible | Any stream ffmpeg understands is possible | ||
= Select Stream from Output | = Select Stream from Output = | ||
Stream #0:1[0x57a](deu): Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, s16p, 192 kb/s | Stream #0:1[0x57a](deu): Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, s16p, 192 kb/s | ||
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Note the #inputfile:stream number pair | Note the #inputfile:stream number pair | ||
= Extract Audio (lossless) | = Extract Audio (lossless) = | ||
ffmpeg -i video.ts -map 0:1 -vn -acodec copy audio.mp2 | ffmpeg -i video.ts -map 0:1 -vn -acodec copy audio.mp2 | ||
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Option -map selects the stream, -vn ignores all video | Option -map selects the stream, -vn ignores all video | ||
= Extract Audio (direct conversion to MP3) | = Extract Audio (direct conversion to MP3) = | ||
ffmpeg -i video.ts -map 0:1 -vn audio.mp3 | ffmpeg -i video.ts -map 0:1 -vn audio.mp3 | ||
Of course you can add options to select different mp3 quality | Of course you can add options to select different mp3 quality | ||
Revision as of 14:39, 15 November 2015
Analyze Input Streams
ffmpeg -i video.ts 2>&1 | grep Audio
Any stream ffmpeg understands is possible
Select Stream from Output
Stream #0:1[0x57a](deu): Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, s16p, 192 kb/s Stream #0:2[0x57b](mis): Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, s16p, 192 kb/s Stream #0:4[0x57e](deu): Audio: ac3 ([6][0][0][0] / 0x0006), 48000 Hz, stereo, fltp, 448 kb/s
Note the #inputfile:stream number pair
Extract Audio (lossless)
ffmpeg -i video.ts -map 0:1 -vn -acodec copy audio.mp2
Option -map selects the stream, -vn ignores all video
Extract Audio (direct conversion to MP3)
ffmpeg -i video.ts -map 0:1 -vn audio.mp3
Of course you can add options to select different mp3 quality