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View Full Version : Sony FDR AX-53 audio unreadable

crumblebits
7th April 2017, 05:53
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Source file MediaInfo
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C:\Pictures\C0034.MP4

General
Complete name : C:\Pictures\C0034.MP4
Format : XAVC
Codec ID : XAVC (XAVC/mp42/iso2)
File size : 279 MiB
Duration : 22 s 523 ms
Overall bit rate mode : Variable
Overall bit rate : 104 Mb/s
Encoded date : UTC 2017-02-24 22:30:57
Tagged date : UTC 2017-02-24 22:30:57

Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : High@L5.1
Format settings, CABAC : Yes
Format settings, ReFrames : 2 frames
Codec ID : avc1
Codec ID/Info : Advanced Video Coding
Duration : 22 s 523 ms
Bit rate mode : Variable
Bit rate : 102 Mb/s
Maximum bit rate : 100.0 Mb/s
Width : 3 840 pixels
Height : 2 160 pixels
Display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 29.970 (30000/1001) FPS
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.411
Stream size : 274 MiB (98%)
Encoded date : UTC 2017-02-24 22:30:57
Tagged date : UTC 2017-02-24 22:30:57
Color range : Limited
Color primaries : BT.709
Transfer characteristics : IEC 61966-2-4
Matrix coefficients : BT.709

Audio
ID : 2
Format : PCM
Format settings, Endianness : Big
Format settings, Sign : Signed
Codec ID : twos
Duration : 22 s 523 ms
Bit rate mode : Constant
Bit rate : 1 536 kb/s
Channel(s) : 2 channels
Sampling rate : 48.0 kHz
Bit depth : 16 bits
Stream size : 4.12 MiB (1%)
Encoded date : UTC 2017-02-24 22:30:57
Tagged date : UTC 2017-02-24 22:30:57

Other
Type : meta
Duration : 22 s 523 ms

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Demux audio using MP4Box 0.6.2 x64
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"C:\Users\Jonathan\Desktop\StaxRip Test Build\Apps\MP4Box\MP4Box.exe" -raw 2 -out "C:\Pictures\C0034_temp\C0034 ID2.wav" "C:\Pictures\C0034.MP4"

Extracting '' Audio - Compressor

Start: 12:46:19 AM
End: 12:46:49 AM
Duration: 00:00:29

General
Complete name : C:\Pictures\C0034.MP4 ID2.wav
File size : 4.12 MiB

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Script
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LoadPlugin("C:\Users\Crumblebits\Desktop\StaxRip Test Build\Apps\Plugins\avs\L-SMASH-Works\LSMASHSource.dll")
LSMASHVideoSource("C:\Pictures\C0034.MP4", format = "YUV420P8")

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Script Properties
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source frame count : 675
source frame rate : 29.970030
source duration : 00:00:22.5230000
target frame count : 675
target frame rate : 29.970030
target duration : 00:00:22.5230000

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Audio Source File MediaInfo
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General
Complete name : G:\Pictures\2017\Feb Seaside\C0034_temp\C0034 ID2.wav
File size : 4.12 MiB

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Audio encoding using eac3to 3.31 x86
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"C:\Users\Jonathan\Desktop\StaxRip Test Build\Apps\eac3to\eac3to.exe" "C:\Pictures\C0034_temp\C0034 ID2.wav" "C:\Pictures\C0034_temp\C0034 ID2_out1.m4a" -quality=0.35 -normalize -downStereo -progressnumbers

The format of the source file could not be detected.

Start: 12:47:22 AM
End: 12:47:22 AM
Duration: 00:00:00

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Error
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no output found
crumblebits
8th April 2017, 20:17
The format of the source file could not be detected.

This happens with the Nikon D3200 and Sony AX53
tebasuna51
9th April 2017, 03:46
Upload a sample.
crumblebits
9th April 2017, 04:09
OK, here is the audio files that are unreadable: "The format of the source file could not be detected."

Nikon D3200
https://drive.google.com/open?id=0B6uGVDfu_Mz0VUZrWkF1aW1YRjg

Sony FDR AX-53
https://drive.google.com/open?id=0B6uGVDfu_Mz0ZDFJRnNQRFpDdHc
tebasuna51
9th April 2017, 10:19
Sorry I can't access without a google account (yes, I can survive without it).

Try http://www.sendspace.com/ or other free.

Better if the sample is the mp4 created by the camcorder to see if is a demux problem.
Maybe the WAV (little endian) is not converted properly from PCM inside (big endian).


EDIT:
if eac3to show: The format of the source file could not be detected.
the initial wav don't have a valid wav header (even with noise content the demux tool must create a valid header)

You can try rename the .wav to .pcm and

eac3to "C0034 ID2.pcm" "C0034 ID2.wav" -2 -16 -big -48000 -override
SeeMoreDigital
9th April 2017, 10:57
crumblebits,

It would be better if the original audio streams were still in their original .mp4 containers ;)
crumblebits
9th April 2017, 18:34
Here is the Sony FDR-AX53 container (mp4)

https://www.sendspace.com/file/8mqyij

Here's the Nikon D3200 container (mov)

https://www.sendspace.com/file/bzoq9v
tebasuna51
10th April 2017, 15:48
Seems a problem with StaxRip MP4Box demux.

Without problems with ffmpeg:
ffmpeg -i "D:\tmp\C0089.MP4" -map 0:1 -acodec pcm_s16le "D:\tmp\C0089.MP4_.wav"
...
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'D:\tmp\C0089.MP4':
Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709/bt709/iec61966-2-4),...
Stream #0:1(und): Audio: pcm_s16be (twos / 0x736F7774), 48000 Hz, stereo, s16, 1536 kb/s (default)
Stream mapping:
Stream #0:1 -> #0:0 (pcm_s16be (native) -> pcm_s16le (native))
Output #0, wav, to 'D:\tmp\C0089.MP4_.wav':
Stream #0:0(und): Audio: pcm_s16le ([1][0][0][0] / 0x0001), 48000 Hz, stereo, s16, 1536 kb/s (default)
size= 469kB time=00:00:02.50 bitrate=1536.2kbits/s speed=73.6x

Detected input like pcm_s16be and converted to pcm_s16le with a correct wav header.

And:
ffmpeg -i "D:\tmp\Oh Jesus.MOV" -map 0:1 -acodec pcm_s16le "D:\tmp\Oh Jesus.MOV_.wav"
...
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'D:\tmp\Oh Jesus.MOV':
Stream #0:0(eng): Video: h264 (High) (avc1 / 0x31637661), yuvj420p(pc, smpte170m/bt709/bt470m),...
Stream #0:1(eng): Audio: pcm_s16le (sowt / 0x74776F73), 48000 Hz, stereo, s16, 1536 kb/s (default)
Stream mapping:
Stream #0:1 -> #0:0 (pcm_s16le (native) -> pcm_s16le (native))
Output #0, wav, to 'D:\tmp\Oh Jesus.MOV_.wav':
Stream #0:0(eng): Audio: pcm_s16le ([1][0][0][0] / 0x0001), 48000 Hz, stereo, s16, 1536 kb/s (default)
size= 469kB time=00:00:02.50 bitrate=1536.2kbits/s speed= 209x

Here the pcm was s16le already.

Both wav files are valid.
Of course you can recode to .m4a directly with:
ffmpeg -i "D:\tmp\C0089.MP4" -map 0:1 -c:a aac -q:a 0.35 "D:\tmp\C0089.MP4_.m4a"

Other method than work fine:

Remux MP4 or MOV to MKV with MkvToolnix.
Use eac3to to extract or recode the audio
stax76
11th April 2017, 10:40
I created a issue on the MP4Box issue tracker: https://github.com/gpac/gpac/issues/796
SeeMoreDigital
11th April 2017, 15:46
crumblebits,

Out of interest what media players are struggling to 'read' your .mp4 and .mov files?
crumblebits
11th April 2017, 20:13
I created a issue on the MP4Box issue tracker: https://github.com/gpac/gpac/issues/796

Thank you.

crumblebits,

Out of interest what media players are struggling to 'read' your .mp4 and .mov files?

No media players are struggling to read the video files, it's the demuxed audio that just won't work with anything.
SeeMoreDigital
11th April 2017, 22:19
No media players are struggling to read the video files, it's the demuxed audio that just won't work with anything.
Well.... (as hinted by tebasuna51) If you mux the .mp4/.mov files into the .mkv container using MKVmergeGUI. You can then use gMKVextractGUI to de-mux the PCM audio streams to the .wav container.

Job done ;)
stax76
12th April 2017, 09:27
@crumblebits

It seems MP4Box generally cannot demux PCM so it's a missing feature instead of a bug. I check the MP4Box output now and if MediaInfo don't show a proper audio format I call the ffmpeg demuxing function, test build should be available soon.
SeeMoreDigital
12th April 2017, 09:41
@crumblebits

It seems MP4Box generally cannot demux PCM so it's a missing feature instead of a bug...Indeed. It's a really old issue!

That being said. I've always thought it odd that PCM audio is being used by some of these camera manufacturers in the first place :eek:
crumblebits
12th April 2017, 16:27
@crumblebits

It seems MP4Box generally cannot demux PCM so it's a missing feature instead of a bug. I check the MP4Box output now and if MediaInfo don't show a proper audio format I call the ffmpeg demuxing function, test build should be available soon.

Thanks for looking into it. Unfortunately when I tried your test build from this morning and when ffmpeg is called it had the same problem:


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Demux audio using MP4Box 0.6.2 x64
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"C:\Users\Jonathan\Desktop\Staxrip Test Build\Apps\MP4Box\MP4Box.exe" -raw 2 -out "G:\Pictures\2016\Orange Beach\C0144_temp\C0144 ID2.wav" "G:\Pictures\2016\Orange Beach\C0144.MP4"

Extracting '' Audio - Compressor

Start: 11:24:02 AM
End: 11:24:45 AM
Duration: 00:00:43

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Error
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No format detected by MediaInfo.

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Demux audio using ffmpeg 3.2.2 x64
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"C:\Users\Jonathan\Desktop\Staxrip Test Build\Apps\ffmpeg\ffmpeg.exe" -i "G:\Pictures\2016\Orange Beach\C0144.MP4" -c:a copy -vn -sn -y -hide_banner "G:\Pictures\2016\Orange Beach\C0144_temp\C0144 ID2.wav"

Guessed Channel Layout for Input Stream #0.1 : stereo
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'G:\Pictures\2016\Orange Beach\C0144.MP4':
Metadata:
major_brand : XAVC
minor_version : 16785407
compatible_brands: XAVCmp42iso2
creation_time : 2016-08-20T19:07:06.000000Z
Duration: 00:00:34.03, start: 0.000000, bitrate: 102899 kb/s
Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709/bt709/iec61966-2-4), 3840x2160 [SAR 1:1 DAR 16:9], 101114 kb/s, 29.97 fps, 29.97 tbr, 30k tbn, 59.94 tbc (default)
Metadata:
creation_time : 2016-08-20T19:07:06.000000Z
handler_name : Video Media Handler
encoder : AVC Coding
Stream #0:1(und): Audio: pcm_s16be (twos / 0x736F7774), 48000 Hz, stereo, s16, 1536 kb/s (default)
Metadata:
creation_time : 2016-08-20T19:07:06.000000Z
handler_name : Sound Media Handler
Stream #0:2(und): Data: none (rtmd / 0x646D7472), 245 kb/s (default)
Metadata:
creation_time : 2016-08-20T19:07:06.000000Z
handler_name : Timed Metadata Media Handler
timecode : 04:57:41:27
[wav @ 00000000028c67c0] pcm_s16be codec not supported in WAVE format
Could not write header for output file #0 (incorrect codec parameters ?): Function not implementedStream mapping:
Stream #0:1 -> #0:0 (copy)
Last message repeated 1 times

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Error Demux audio using ffmpeg 3.2.2 x64
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Demux audio using ffmpeg 3.2.2 x64 failed with exit code: 1 (0x1)

The exit code might be a system error code: STATUS_WAIT_1

The exit code might be a system error code: Incorrect function.

Guessed Channel Layout for Input Stream #0.1 : stereo
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'G:\Pictures\2016\Orange Beach\C0144.MP4':
Metadata:
major_brand : XAVC
minor_version : 16785407
compatible_brands: XAVCmp42iso2
creation_time : 2016-08-20T19:07:06.000000Z
Duration: 00:00:34.03, start: 0.000000, bitrate: 102899 kb/s
Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709/bt709/iec61966-2-4), 3840x2160 [SAR 1:1 DAR 16:9], 101114 kb/s, 29.97 fps, 29.97 tbr, 30k tbn, 59.94 tbc (default)
Metadata:
creation_time : 2016-08-20T19:07:06.000000Z
handler_name : Video Media Handler
encoder : AVC Coding
Stream #0:1(und): Audio: pcm_s16be (twos / 0x736F7774), 48000 Hz, stereo, s16, 1536 kb/s (default)
Metadata:
creation_time : 2016-08-20T19:07:06.000000Z
handler_name : Sound Media Handler
Stream #0:2(und): Data: none (rtmd / 0x646D7472), 245 kb/s (default)
Metadata:
creation_time : 2016-08-20T19:07:06.000000Z
handler_name : Timed Metadata Media Handler
timecode : 04:57:41:27
[wav @ 00000000028c67c0] pcm_s16be codec not supported in WAVE format
Could not write header for output file #0 (incorrect codec parameters ?): Function not implementedStream mapping:
Stream #0:1 -> #0:0 (copy)
Last message repeated 1 times

Start: 11:24:46 AM
End: 11:24:46 AM
Duration: 00:00:00
stax76
13th April 2017, 12:28
@crumblebits

The latest build skips MP4Box and makes the necessary format change in ffmpeg, works fine now with your samples.

https://github.com/stax76/staxrip/blob/master/md/test-build.md

@tebasuna51

Thanks for the help.
tebasuna51
13th April 2017, 13:22
@tebasuna51

Thanks for the help.

You are welcome.

Yep, the ffmpeg -c:a copy parameter can work with Nikon D3200 sample because the pcm is already s16le.

But with the Sony FDR-AX53 sample ffmpeg can't write a wav file with pcm s16be and show the ERROR:

[wav @ 00000000028c67c0] pcm_s16be codec not supported in WAVE format

we need -c:a pcm_s16le
than work with both formats.