Using OGG/Vorbis, is there a way to continue to record to an existing audio file?
I am using Vorbis/ogg to record audio (using arecord and then pipping to oggenc). I have downloaded oggvideotools, which gave me oggCat, which will let me join two previously recorded audio files into one file. But, my problem is this:
The device I am working on is known to have the "plug pulled", but it is recording while the power is on (swapping out batteries etc.). Once the device is powered back on, I need to continue to record to the previous file (automated recording).
Right now, I can use arecord to record two separate files, and then once the recording is done, I can oggCat the two, but that doesn't get me what I want 100%, I need to be able to continue recording where the first file got cut off.
I need python and busybox solutions. Unfortunately, other solutions outside Python and Busybox are not available to me - furthermore, downloading additional packages/programs is also not available, I have oggenc, arecord, and oggvideotools.
Any advise on where to look? Can I somehow pipe arecord data from a temp file to oggCat? Like:
oggCat NewFile.ogg File1.ogg (arecord file2.ogg ...)
Where (arecord file2.ogg ...)is the file currently being recorded and simultaneously being appended to Newfile.ogg?
PS. The audio files will have the exact same parameters - i.e. same channels, rates, etc.
audio python busybox ogg
edited 47 mins ago
Rui F Ribeiro
39.2k1479130
asked Oct 19 '12 at 14:15
Justin
261
add a comment |
I am using Vorbis/ogg to record audio (using arecord and then pipping to oggenc). I have downloaded oggvideotools, which gave me oggCat, which will let me join two previously recorded audio files into one file. But, my problem is this:
The device I am working on is known to have the "plug pulled", but it is recording while the power is on (swapping out batteries etc.). Once the device is powered back on, I need to continue to record to the previous file (automated recording).
Right now, I can use arecord to record two separate files, and then once the recording is done, I can oggCat the two, but that doesn't get me what I want 100%, I need to be able to continue recording where the first file got cut off.
I need python and busybox solutions. Unfortunately, other solutions outside Python and Busybox are not available to me - furthermore, downloading additional packages/programs is also not available, I have oggenc, arecord, and oggvideotools.
Any advise on where to look? Can I somehow pipe arecord data from a temp file to oggCat? Like:
oggCat NewFile.ogg File1.ogg (arecord file2.ogg ...)
Where (arecord file2.ogg ...)is the file currently being recorded and simultaneously being appended to Newfile.ogg?
PS. The audio files will have the exact same parameters - i.e. same channels, rates, etc.
audio python busybox ogg
edited 47 mins ago
Rui F Ribeiro
39.2k1479130
asked Oct 19 '12 at 14:15
Justin
261
add a comment |
I am using Vorbis/ogg to record audio (using arecord and then pipping to oggenc). I have downloaded oggvideotools, which gave me oggCat, which will let me join two previously recorded audio files into one file. But, my problem is this:
The device I am working on is known to have the "plug pulled", but it is recording while the power is on (swapping out batteries etc.). Once the device is powered back on, I need to continue to record to the previous file (automated recording).
Right now, I can use arecord to record two separate files, and then once the recording is done, I can oggCat the two, but that doesn't get me what I want 100%, I need to be able to continue recording where the first file got cut off.
I need python and busybox solutions. Unfortunately, other solutions outside Python and Busybox are not available to me - furthermore, downloading additional packages/programs is also not available, I have oggenc, arecord, and oggvideotools.
Any advise on where to look? Can I somehow pipe arecord data from a temp file to oggCat? Like:
oggCat NewFile.ogg File1.ogg (arecord file2.ogg ...)
Where (arecord file2.ogg ...)is the file currently being recorded and simultaneously being appended to Newfile.ogg?
PS. The audio files will have the exact same parameters - i.e. same channels, rates, etc.
audio python busybox ogg
edited 47 mins ago
Rui F Ribeiro
39.2k1479130
asked Oct 19 '12 at 14:15
Justin
261
I am using Vorbis/ogg to record audio (using arecord and then pipping to oggenc). I have downloaded oggvideotools, which gave me oggCat, which will let me join two previously recorded audio files into one file. But, my problem is this:
The device I am working on is known to have the "plug pulled", but it is recording while the power is on (swapping out batteries etc.). Once the device is powered back on, I need to continue to record to the previous file (automated recording).
Right now, I can use arecord to record two separate files, and then once the recording is done, I can oggCat the two, but that doesn't get me what I want 100%, I need to be able to continue recording where the first file got cut off.
I need python and busybox solutions. Unfortunately, other solutions outside Python and Busybox are not available to me - furthermore, downloading additional packages/programs is also not available, I have oggenc, arecord, and oggvideotools.
Any advise on where to look? Can I somehow pipe arecord data from a temp file to oggCat? Like:
oggCat NewFile.ogg File1.ogg (arecord file2.ogg ...)
Where (arecord file2.ogg ...)is the file currently being recorded and simultaneously being appended to Newfile.ogg?
PS. The audio files will have the exact same parameters - i.e. same channels, rates, etc.
audio python busybox ogg
audio python busybox ogg
edited 47 mins ago
Rui F Ribeiro
39.2k1479130
asked Oct 19 '12 at 14:15
Justin
261
edited 47 mins ago
Rui F Ribeiro
39.2k1479130
asked Oct 19 '12 at 14:15
Justin
261
edited 47 mins ago
Rui F Ribeiro
39.2k1479130
edited 47 mins ago
Rui F Ribeiro
39.2k1479130
edited 47 mins ago
Rui F Ribeiro
39.2k1479130
39.2k1479130
asked Oct 19 '12 at 14:15
Justin
261
asked Oct 19 '12 at 14:15
Justin
261
asked Oct 19 '12 at 14:15
Justin
261
261
add a comment |
add a comment |
1 Answer
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I haven't tested it but consider using process substitution. This will take the standard output of one program and provide it to another program via a pipe.
oggCat NewFile.ogg File1.ogg <(arecord)
If I am correct this would append the new recording to audio.ogg. The biggest problem I see is that arecord appears outputs to output a wav by default so you may need to encode it as an ogg.
Sorry, I don't have a mic to test it out. But I answered anyway because I felt that this is the bit you were looking for and can figure the rest out yourself.
answered Nov 30 '12 at 17:18
Kevin Cox
490411
Busybox ash does not support this syntax, as far as I know.
– Chris Down
Oct 1 '13 at 3:20
add a comment |
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1 Answer
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I haven't tested it but consider using process substitution. This will take the standard output of one program and provide it to another program via a pipe.
oggCat NewFile.ogg File1.ogg <(arecord)
If I am correct this would append the new recording to audio.ogg. The biggest problem I see is that arecord appears outputs to output a wav by default so you may need to encode it as an ogg.
Sorry, I don't have a mic to test it out. But I answered anyway because I felt that this is the bit you were looking for and can figure the rest out yourself.
answered Nov 30 '12 at 17:18
Kevin Cox
490411
Busybox ash does not support this syntax, as far as I know.
– Chris Down
Oct 1 '13 at 3:20
add a comment |
I haven't tested it but consider using process substitution. This will take the standard output of one program and provide it to another program via a pipe.
oggCat NewFile.ogg File1.ogg <(arecord)
If I am correct this would append the new recording to audio.ogg. The biggest problem I see is that arecord appears outputs to output a wav by default so you may need to encode it as an ogg.
Sorry, I don't have a mic to test it out. But I answered anyway because I felt that this is the bit you were looking for and can figure the rest out yourself.
answered Nov 30 '12 at 17:18
Kevin Cox
490411
Busybox ash does not support this syntax, as far as I know.
– Chris Down
Oct 1 '13 at 3:20
add a comment |
I haven't tested it but consider using process substitution. This will take the standard output of one program and provide it to another program via a pipe.
oggCat NewFile.ogg File1.ogg <(arecord)
If I am correct this would append the new recording to audio.ogg. The biggest problem I see is that arecord appears outputs to output a wav by default so you may need to encode it as an ogg.
Sorry, I don't have a mic to test it out. But I answered anyway because I felt that this is the bit you were looking for and can figure the rest out yourself.
answered Nov 30 '12 at 17:18
Kevin Cox
490411
I haven't tested it but consider using process substitution. This will take the standard output of one program and provide it to another program via a pipe.
oggCat NewFile.ogg File1.ogg <(arecord)
If I am correct this would append the new recording to audio.ogg. The biggest problem I see is that arecord appears outputs to output a wav by default so you may need to encode it as an ogg.
Sorry, I don't have a mic to test it out. But I answered anyway because I felt that this is the bit you were looking for and can figure the rest out yourself.
answered Nov 30 '12 at 17:18
Kevin Cox
490411
edited Dec 1 '12 at 6:06
answered Nov 30 '12 at 17:18
Kevin Cox
490411
answered Nov 30 '12 at 17:18
Kevin Cox
490411
answered Nov 30 '12 at 17:18
Kevin Cox
490411
490411
Busybox ash does not support this syntax, as far as I know.
– Chris Down
Oct 1 '13 at 3:20
add a comment |
Busybox ash does not support this syntax, as far as I know.
– Chris Down
Oct 1 '13 at 3:20
Busybox ash does not support this syntax, as far as I know.
– Chris Down
Oct 1 '13 at 3:20
Busybox ash does not support this syntax, as far as I know.
– Chris Down
Oct 1 '13 at 3:20
add a comment |
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