My Sony UBP-X700 BD player can play the ripped m2ts files with Dolby TrueHD with Dolby Atmos audio from usb drive properly. I use clever ffmpeg gui to remove the unwanted audio tracks. Then X700 player can no longer recognize the audio track, even though the same remuxed file can be played on PC without problem. Below is the mediainfo output for the original and remuxed m2ts file. Is there any way to fix it? Any advice will be greatly appreciated.
Original file:
General
ID : 0 (0x0)
Complete name : J:\Original.m2ts
Format : BDAV
Format/Info : Blu-ray Video
File size : 892 MiB
Duration : 4 min 9 s
Overall bit rate mode : Variable
Overall bit rate : 30.0 Mb/s
Maximum Overall bit rate : 48.0 Mb/s
Frame rate : 24.000 FPS
Video
ID : 4113 (0x1011)
Menu ID : 1 (0x1)
Format : AVC
Format/Info : Advanced Video Codec
Format profile : High@L4.1
Format settings : CABAC / 4 Ref Frames
Format settings, CABAC : Yes
Format settings, Reference frames : 4 frames
Format settings, GOP : M=3, N=24
Format settings, Slice count : 4 slices per frame
Codec ID : 27
Duration : 4 min 8 s
Bit rate mode : Variable
Bit rate : 26.9 Mb/s
Maximum bit rate : 24.0 Mb/s
Width : 1 920 pixels
Height : 1 080 pixels
Display aspect ratio : 16:9
Frame rate : 24.000 FPS
Standard : NTSC
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.541
Stream size : 797 MiB (89%)
Color range : Limited
Color primaries : BT.709
Transfer characteristics : BT.709
Matrix coefficients : BT.709
Audio #1
ID : 4352 (0x1100)
Menu ID : 1 (0x1)
Format : MLP FBA AC-3 16-ch
Format/Info : Meridian Lossless Packing FBA with 16-channel presentation
Commercial name : Dolby TrueHD with Dolby Atmos
Muxing mode : Stream extension
Codec ID : 131
Duration : 4 min 8 s
Bit rate mode : Variable
Bit rate : 640 kb/s
Maximum bit rate : 7 104 kb/s
Channel(s) : 8 channels
Channel layout : L R C LFE Ls Rs Lb Rb
Sampling rate : 48.0 kHz
Frame rate : 31.250 FPS (1536 SPF)
Compression mode : Lossless
Stream size : 19.0 MiB (2%)
Service kind : Complete Main
Number of dynamic objects : 11
Bed channel count : 1 channel
Bed channel configuration : LFE
Dialog Normalization : -31 dB
compr : -0.28 dB
cmixlev : -3.0 dB
surmixlev : -3 dB
dmixmod : Lt/Rt
ltrtcmixlev : -3.0 dB
ltrtsurmixlev : -3.0 dB
lorocmixlev : -3.0 dB
lorosurmixlev : -3.0 dB
dialnorm_Average : -31 dB
dialnorm_Minimum : -31 dB
dialnorm_Maximum : -31 dB
Audio #2
ID : 4353 (0x1101)
Menu ID : 1 (0x1)
Format : E-AC-3 JOC
Format/Info : Enhanced AC-3 with Joint Object Coding
Commercial name : Dolby Digital Plus with Dolby Atmos
Format profile : Blu-ray Disc
Muxing mode : Stream extension
Codec ID : 132
Duration : 4 min 8 s
Bit rate mode : Constant
Bit rate : 1 280 kb/s
Channel(s) : 8 channels
Channel layout : L R C LFE Ls Rs Lb Rb
Sampling rate : 48.0 kHz
Frame rate : 31.250 FPS (1536 SPF)
Compression mode : Lossy
Stream size : 37.9 MiB (4%)
Service kind : Complete Main
Complexity index : 12
Number of dynamic objects : 11
Bed channel count : 1 channel
Bed channel configuration : LFE
Dialog Normalization : -29 dB
compr : 0.53 dB
cmixlev : -3.0 dB
surmixlev : -3 dB
dmixmod : Lt/Rt
ltrtcmixlev : -3.0 dB
ltrtsurmixlev : -3.0 dB
lorocmixlev : -3.0 dB
lorosurmixlev : -3.0 dB
dialnorm_Average : -29 dB
dialnorm_Minimum : -29 dB
dialnorm_Maximum : -29 dB
Muxed file:
General
ID : 1 (0x1)
Complete name : G:\sample_muxed.m2ts
Format : BDAV
Format/Info : Blu-ray Video
File size : 802 MiB
Duration : 4 min 8 s
Overall bit rate mode : Variable
Overall bit rate : 27.1 Mb/s
Frame rate : 24.000 FPS
Video
ID : 4113 (0x1011)
Menu ID : 1 (0x1)
Format : AVC
Format/Info : Advanced Video Codec
Format profile : High@L4.1
Format settings : CABAC / 4 Ref Frames
Format settings, CABAC : Yes
Format settings, Reference frames : 4 frames
Format settings, GOP : M=3, N=24
Format settings, Slice count : 4 slices per frame
Codec ID : 27
Duration : 4 min 8 s
Bit rate mode : Variable
Maximum bit rate : 24.0 Mb/s
Width : 1 920 pixels
Height : 1 080 pixels
Display aspect ratio : 16:9
Frame rate : 24.000 FPS
Standard : NTSC
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type Dolby TrueHD with Dolby Atmos : Progressive
Color range : Limited
Color primaries : BT.709
Transfer characteristics : BT.709
Matrix coefficients : BT.709
Audio
ID : 4352 (0x1100)
Menu ID : 1 (0x1)
Format : MLP FBA 16-ch
Format/Info : Meridian Lossless Packing FBA with 16-channel presentation
Commercial name : Dolby TrueHD with Dolby Atmos
Codec ID : 131
Duration : 4 min 8 s
Bit rate mode : Variable
Maximum bit rate : 7 104 kb/s
Channel(s) : 8 channels
Channel layout : L R C LFE Ls Rs Lb Rb
Sampling rate : 48.0 kHz
Frame rate : 1 200.000 FPS (40 SPF)
Compression mode : Lossless
Delay relative to video : -42 ms
Number of dynamic objects : 11
Bed channel count : 1 channel
Bed channel configuration : LFE
mixlevel : 80 dB
ltrtcmixlev : 3.0 dB
ltrtsurmixlev : 3.0 dB
lorocmixlev : 3.0 dB
lorosurmixlev : 3.0 dB
Menu
ID : 256 (0x100)
Menu ID : 1 (0x1)
Format : AVC / MLP FBA
Duration : 4 min 8 s
List : 4113 (0x1011) (AVC) / 4352 (0x1100) (MLP FBA)
Service name : Service01
Service provider : FFmpeg
Service type : digital television
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Last edited by 2ndLeaf; 12th May 2024 at 16:58.
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I did some comparison between the audio tracks. I am curious why they are changed.
Original:
Format : MLP FBA AC-3 16-ch
Frame rate : 31.250 FPS (1536 SPF)
ltrtcmixlev : -3.0 dB
ltrtsurmixlev : -3.0 dB
lorocmixlev : -3.0 dB
lorosurmixlev : -3.0 dB
Muxed:
Format : MLP FBA 16-ch
Frame rate : 1 200.000 FPS (40 SPF)
ltrtcmixlev : 3.0 dB
ltrtsurmixlev : 3.0 dB
lorocmixlev : 3.0 dB
lorosurmixlev : 3.0 dB -
I try tsMuxeR. The m2ts file it creates can be played on X700 properly. The mediainfo output for the audio track is exactly the same as the original m2ts file.
When I use tsMuxeR to open the file created by clever ffmpeg gui, I got the "Unsupported format, Some tracks not recognized. This tracks was ignored." error message for the audio track.Last edited by 2ndLeaf; 12th May 2024 at 21:27.
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Probably because tsMuxer detects no embedded AC3 track in the TrueHD stream of the "muxed" file. Eventhough tsMuxer is perfectly capable of muxing "TrueHD only" - to both standalone m2ts and (UHD)BD - I can imagine your SONY player refusing to play when the embedded AC3 track isn't there. Try importing the original m2ts in tsMuxer, keep native "TrueHD+AC3" and in the GUI delete all unwanted streams prior to m2ts remux. Be sure to use latest nightly build.
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Last edited by 2ndLeaf; 13th May 2024 at 20:34.
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I also suspect the Sony player doesn't recognize the TrueHD stream because of missing AC3 track, after doing more research.
Yes, if I import the original m2ts in tsMuxer and keep native "TrueHD+AC3", then delete all unwanted streams, the resulted file can be played on the Sony player. The trick is to keep the AC3 track.
It's interesting to see that when I select both TrueHD and AC3, clever ffmpeg GUI still separates them as separated tracks, instead of leaving them intact. On the other hand, I can't keep TrueHD stream only without AC3 core with tsMuxer. I think each tool has its own use cases.Last edited by 2ndLeaf; 14th May 2024 at 11:26.
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FYI there is another peculiar case: EAC3-tracks on (UHD)BD are build around a AC3-core, which can be retrieved separately by tsMuxer.
Maybe also handy to know: should you have TrueHD and the embedded AC3-track as separate streams, these can be interleaved back into "TrueHD+AC3" with thdmerge.exe. It comes with the DGDemux package. -
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I use MKVToolNix as it doesn't re-encode or mess with any of the tracks.
SONY 75" Full array 200Hz LED TV, Yamaha A1070 amp, Zidoo UHD3000, BeyonWiz PVR V2 (Enigma2 clone), Chromecast, Windows 11 Professional, QNAP NAS TS851 -
Actually when importing TrueHD with embedded AC3, MKVToolNix behaves the same way as clever ffmpeg seems to here. Matroska container being unfit for carrying interleaved TrueHD and AC3, MTX also has to de-interleave the two and mux them as separate tracks.
I wouldn't know if OP's player would support playback mkv with TrueHD. I can very so imagine a SONY wouldn't. -
I must admit I don't use disc players anymore - transfer onto my NAS and then via Zidoo UHD3000 media player. All works well via my AVR and discrete speakers.
SONY 75" Full array 200Hz LED TV, Yamaha A1070 amp, Zidoo UHD3000, BeyonWiz PVR V2 (Enigma2 clone), Chromecast, Windows 11 Professional, QNAP NAS TS851 -
Last edited by 2ndLeaf; 15th May 2024 at 10:47.
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Maybe there are other container formats - supported by your X700, that is - that can carry TrueHD with AC3 interleaved, but m2ts is the only one I know of.
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I notice the video and audio are out of sync for the m2ts file created by tsMuxeR. Video is ahead of audio, but audio is in sync with subtitle. Comparing to the original movie, audio seems to play at the correct speed. Movie length is correct. The m2ts file created by clever ffmpeg gui doesn't have this problem. In tsMuxeR, I set the fps to the same value as I get from mediainfo. But it doesn't help. Any way to fix this?
Last edited by 2ndLeaf; 18th May 2024 at 11:51.
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Maybe a bug in tsMuxer. The program isn't the best demuxer.
Several things you can try. Be sure to use latest nightly build of tsMuxer, import the proper native playlist. Keep native TrueHD+AC3, take out unwanted streams and mux to BD folder structure instead of directly to m2ts.
Other thing is remuxing with eac3to. It supports TrueHD+AC3 and you can use UsEac3To as GUI.
Third option is to first demux the disc with DGDemux. It can put out *.thd+ac3 stream. Import only the desired demuxed streams in tsMuxer -
Thanks a lot for the suggestion. Mux to BD folder structure solves the problem.
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