No sound on DVB-T2 (HD) recordings from Media Centre

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martinu
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Posts: 26
Joined: 02 Aug 2013 14:02

No sound on DVB-T2 (HD) recordings from Media Centre

Postby martinu » 27 Jul 2015 16:23

I'm using VLC 2.1.5. It plays SD recordings made with Windows Media Centre without any problem. However all recordings made in HD from a DVB-T2 adaptor have no sound when played using VLC.

Looking at Audio | Audio Track, two sound tracks are offered in the menu - presumably normal programme sound and audio description for the blind. However I don't get any sound whichever of these I choose.

The WTV files definite have sound because they play fine in Windows Media Centre and in VideRedo. It affects raw as-recorded WTV files, as well as those which have been edited in VideoRedo.

VideoRedo lists the properties of the WTV file as:

File: Name : T:\Recorded TV\Manual Recording_BBC One HD_2015_07_27_15_05_00.wtv
Size : 0.036 GB
Duration : 00:00:54.05
Mux type : WTV
Video: Encoding : H.264
VideoStreamID : x23A
Frame rate : 25.00 fps
Encoding size : 1920 x 1080
Aspect ratio : 16:9
Header bit rate : 20.000 Mbps
VBV buffer : 380 KBytes
Profile : High/4.0
Progressive : Interlaced
Chroma : 4:2:0
Entropy mode : CABAC
Bit rate : 5.070 Mbps
Audio Stream: 1 Codec : AAC
Format : LOAS/LATM
Channels : 1.0
Language : eng
PID : x237
PES Stream Id : xC0
Sampling rate : 48000
Audio Stream: 2 (Primary) Codec : AAC
Format : LOAS/LATM
Channels : 2.0
Language : eng
PID : x239
PES Stream Id : xC0
Sampling rate : 48000
Subtitle: 1-1 Type : DVB Subpic
PID : 0x238
Language : eng
Page : 1


If I save the WTV file as H264 TS format, using VideoRedo, the sound plays fine. It looks as if the decoding of H264 HD WTV files (as opposed to MPEG SD WTV files) isn't working properly.

Ludrax
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Posts: 568
Joined: 07 Jul 2010 14:28

Re: No sound on DVB-T2 (HD) recordings from Media Centre

Postby Ludrax » 30 Jul 2015 23:55

like in ticket 9120 for subtitles :-|
An' if ain't broke, then don't try to fix it...


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