ffmpeg extract channels without conversion
I'm using the following ffmpeg command to convert a multitrack wav to multiple mono tracks:
ffmpeg -i input.wav
-map_channel 0.0.0 a.wav
-map_channel 0.0.1 b.wav
-map_channel 0.0.2 c.wav
-map_channel 0.0.3 d.wav
This works fine but it converts the channels to 16bit PCM:
...
Stream #0:0 -> #0:0 (pcm_s24le (native) -> pcm_s16le (native))
Stream #0:0 -> #1:0 (pcm_s24le (native) -> pcm_s16le (native))
Stream #0:0 -> #2:0 (pcm_s24le (native) -> pcm_s16le (native))
Stream #0:0 -> #3:0 (pcm_s24le (native) -> pcm_s16le (native))
...
I've also tried "-sample_fmt pcm_s24le" or "-sample_fmt s32" but both parameters were not recognized.
How can I extract the channels of a multiwav file without changing the bit depth?
audio ffmpeg
asked Feb 1 at 21:26
rimshotrimshot
265
add a comment |
I'm using the following ffmpeg command to convert a multitrack wav to multiple mono tracks:
ffmpeg -i input.wav
-map_channel 0.0.0 a.wav
-map_channel 0.0.1 b.wav
-map_channel 0.0.2 c.wav
-map_channel 0.0.3 d.wav
This works fine but it converts the channels to 16bit PCM:
...
Stream #0:0 -> #0:0 (pcm_s24le (native) -> pcm_s16le (native))
Stream #0:0 -> #1:0 (pcm_s24le (native) -> pcm_s16le (native))
Stream #0:0 -> #2:0 (pcm_s24le (native) -> pcm_s16le (native))
Stream #0:0 -> #3:0 (pcm_s24le (native) -> pcm_s16le (native))
...
I've also tried "-sample_fmt pcm_s24le" or "-sample_fmt s32" but both parameters were not recognized.
How can I extract the channels of a multiwav file without changing the bit depth?
audio ffmpeg
asked Feb 1 at 21:26
rimshotrimshot
265
add a comment |
I'm using the following ffmpeg command to convert a multitrack wav to multiple mono tracks:
ffmpeg -i input.wav
-map_channel 0.0.0 a.wav
-map_channel 0.0.1 b.wav
-map_channel 0.0.2 c.wav
-map_channel 0.0.3 d.wav
This works fine but it converts the channels to 16bit PCM:
...
Stream #0:0 -> #0:0 (pcm_s24le (native) -> pcm_s16le (native))
Stream #0:0 -> #1:0 (pcm_s24le (native) -> pcm_s16le (native))
Stream #0:0 -> #2:0 (pcm_s24le (native) -> pcm_s16le (native))
Stream #0:0 -> #3:0 (pcm_s24le (native) -> pcm_s16le (native))
...
I've also tried "-sample_fmt pcm_s24le" or "-sample_fmt s32" but both parameters were not recognized.
How can I extract the channels of a multiwav file without changing the bit depth?
audio ffmpeg
asked Feb 1 at 21:26
rimshotrimshot
265
I'm using the following ffmpeg command to convert a multitrack wav to multiple mono tracks:
ffmpeg -i input.wav
-map_channel 0.0.0 a.wav
-map_channel 0.0.1 b.wav
-map_channel 0.0.2 c.wav
-map_channel 0.0.3 d.wav
This works fine but it converts the channels to 16bit PCM:
...
Stream #0:0 -> #0:0 (pcm_s24le (native) -> pcm_s16le (native))
Stream #0:0 -> #1:0 (pcm_s24le (native) -> pcm_s16le (native))
Stream #0:0 -> #2:0 (pcm_s24le (native) -> pcm_s16le (native))
Stream #0:0 -> #3:0 (pcm_s24le (native) -> pcm_s16le (native))
...
I've also tried "-sample_fmt pcm_s24le" or "-sample_fmt s32" but both parameters were not recognized.
How can I extract the channels of a multiwav file without changing the bit depth?
audio ffmpeg
audio ffmpeg
asked Feb 1 at 21:26
rimshotrimshot
265
asked Feb 1 at 21:26
rimshotrimshot
265
asked Feb 1 at 21:26
rimshotrimshot
265
asked Feb 1 at 21:26
rimshotrimshot
265
asked Feb 1 at 21:26
rimshotrimshot
265
265
add a comment |
add a comment |
1 Answer
1
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The encoder pcm_s16le is being used for your .wav output. This encoder only supports the s16 sample format (see ffmpeg -h encoder=pcm_s16le and ffmpeg -sample_fmts).
You can choose the encoder pcm_s24le:
ffmpeg -i input.wav
-map_channel 0.0.0 -c:a pcm_s24le a.wav
-map_channel 0.0.1 -c:a pcm_s24le b.wav
-map_channel 0.0.2 -c:a pcm_s24le c.wav
-map_channel 0.0.3 -c:a pcm_s24le d.wav
answered Feb 1 at 23:09
lloganllogan
26k54782
Thanks a lot llogan, this works perfectly. I was not aware i could use the -c:a parameter for each map_channel...
– rimshot
Feb 2 at 12:01
add a comment |
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
The encoder pcm_s16le is being used for your .wav output. This encoder only supports the s16 sample format (see ffmpeg -h encoder=pcm_s16le and ffmpeg -sample_fmts).
You can choose the encoder pcm_s24le:
ffmpeg -i input.wav
-map_channel 0.0.0 -c:a pcm_s24le a.wav
-map_channel 0.0.1 -c:a pcm_s24le b.wav
-map_channel 0.0.2 -c:a pcm_s24le c.wav
-map_channel 0.0.3 -c:a pcm_s24le d.wav
answered Feb 1 at 23:09
lloganllogan
26k54782
Thanks a lot llogan, this works perfectly. I was not aware i could use the -c:a parameter for each map_channel...
– rimshot
Feb 2 at 12:01
add a comment |
The encoder pcm_s16le is being used for your .wav output. This encoder only supports the s16 sample format (see ffmpeg -h encoder=pcm_s16le and ffmpeg -sample_fmts).
You can choose the encoder pcm_s24le:
ffmpeg -i input.wav
-map_channel 0.0.0 -c:a pcm_s24le a.wav
-map_channel 0.0.1 -c:a pcm_s24le b.wav
-map_channel 0.0.2 -c:a pcm_s24le c.wav
-map_channel 0.0.3 -c:a pcm_s24le d.wav
answered Feb 1 at 23:09
lloganllogan
26k54782
Thanks a lot llogan, this works perfectly. I was not aware i could use the -c:a parameter for each map_channel...
– rimshot
Feb 2 at 12:01
add a comment |
The encoder pcm_s16le is being used for your .wav output. This encoder only supports the s16 sample format (see ffmpeg -h encoder=pcm_s16le and ffmpeg -sample_fmts).
You can choose the encoder pcm_s24le:
ffmpeg -i input.wav
-map_channel 0.0.0 -c:a pcm_s24le a.wav
-map_channel 0.0.1 -c:a pcm_s24le b.wav
-map_channel 0.0.2 -c:a pcm_s24le c.wav
-map_channel 0.0.3 -c:a pcm_s24le d.wav
answered Feb 1 at 23:09
lloganllogan
26k54782
The encoder pcm_s16le is being used for your .wav output. This encoder only supports the s16 sample format (see ffmpeg -h encoder=pcm_s16le and ffmpeg -sample_fmts).
You can choose the encoder pcm_s24le:
ffmpeg -i input.wav
-map_channel 0.0.0 -c:a pcm_s24le a.wav
-map_channel 0.0.1 -c:a pcm_s24le b.wav
-map_channel 0.0.2 -c:a pcm_s24le c.wav
-map_channel 0.0.3 -c:a pcm_s24le d.wav
answered Feb 1 at 23:09
lloganllogan
26k54782
answered Feb 1 at 23:09
lloganllogan
26k54782
answered Feb 1 at 23:09
lloganllogan
26k54782
answered Feb 1 at 23:09
lloganllogan
26k54782
26k54782
Thanks a lot llogan, this works perfectly. I was not aware i could use the -c:a parameter for each map_channel...
– rimshot
Feb 2 at 12:01
add a comment |
Thanks a lot llogan, this works perfectly. I was not aware i could use the -c:a parameter for each map_channel...
– rimshot
Feb 2 at 12:01
Thanks a lot llogan, this works perfectly. I was not aware i could use the -c:a parameter for each map_channel...
– rimshot
Feb 2 at 12:01
Thanks a lot llogan, this works perfectly. I was not aware i could use the -c:a parameter for each map_channel...
– rimshot
Feb 2 at 12:01
add a comment |
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