Unable to play MP3 recordings in VLC

Forum Forums Freeview HD FVP 4000T, 5000T Unable to play MP3 recordings in VLC

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  • #18215
    Anonymous
    Inactive

    Hi, I’ve donwloaded some radio recordings to my PC – VLC won’t play them but the MS Groove App will (Windows 10). It looks like VLC thinks that they are corrupted. Anyone else come across this?

    #72586
    Anonymous
    Inactive

    Are you trying to play the recording file as downloaded or extracting the audio from it and trying to play that?

    (I use tsMuxer to extract audio tracks from recordings)

    #72587
    grahamlthompson
    Participant

    May not be much help but suspect VLC expects .ts (transport stream) container files to have a video stream codec it understands. VLC should be able to extract the audio stream from the .ts file in a format you can use externally.

    Random search.

    http://www.ghacks.net/2011/07/15/how-to-extract-audio-from-video-files-using-vlc-media-player/

    #72588
    Anonymous
    Inactive

    Radar59 – 2 hours ago  » 

    Hi, I’ve donwloaded some radio recordings to my PC – VLC won’t play them but the MS Groove App will (Windows 10). It looks like VLC thinks that they are corrupted. Anyone else come across this?

    Possibly you have confused VLC to the format of the files. The original recordings are not MP3 but your thread title mentions MP3. What have you done to introduce MP3 into the equation?

    #72589
    Anonymous
    Inactive

    Luke – 19 seconds ago  » 

    Radar59 – 2 hours ago  » 

    Hi, I’ve donwloaded some radio recordings to my PC – VLC won’t play them but the MS Groove App will (Windows 10). It looks like VLC thinks that they are corrupted. Anyone else come across this?

    Possibly you have confused VLC to the format of the files. The original recordings are not MP3 but your thread title mentions MP3. What have you done to introduce MP3 into the equation?

    No. VLC works fine on HDR-FOX T2 audio only recordings when I last tried it.

    #72590
    Anonymous
    Inactive

    Many thanks for the replies.

    When I access my 4000T using File Explorer on my Windows 10 PC the audio recordings are already listed as MP3 – with the extension MP3.

    The FAQ for the 4000T on this forum here shows this: https://myhumax.org/forum/topic/file-transfer

    Which is basically what I get.

    I have already tried to use VLC to ‘convert’ the format but it fails – although I’ve sucessfully converted the audio from .TS files from other sources on this PC using VLC.

    #72591
    grahamlthompson
    Participant

    Radar59 – 8 hours ago  » 

    Many thanks for the replies.

    When I access my 4000T using File Explorer on my Windows 10 PC the audio recordings are already listed as MP3 – with the extension MP3.

    The FAQ for the 4000T on this forum here shows this: https://myhumax.org/forum/topic/file-transfer

    Which is basically what I get.

    I have already tried to use VLC to ‘convert’ the format but it fails – although I’ve sucessfully converted the audio from .TS files from other sources on this PC using VLC.

    What does mediainfo (treeview) say the file format is ? You can copy contents to a text file and post the details.

    https://mediaarea.net/en/MediaInfo/Download

    #72592
    Anonymous
    Inactive

    Hi Graham,

    Many thanks – the below is from one of these files (direct from FVP 4000T over the network) – I have left out the stuff at the bottom because it appears to be programme synopsis for several programmes – not just the one I’m referencing here:

    General

    ID : 4167 (0x1047)

    Complete name : E:AudioNewHumax20160725_1312.mp3

    Format : BDAV

    Format/Info : Blu-ray Video

    File size : 139 MiB

    Duration : 20 min

    Overall bit rate mode : Variable

    Overall bit rate : 929 kb/s

    Audio

    ID : 1702 (0x6A6)

    Menu ID : 5824 (0x16C0)

    Format : MPEG Audio

    Format version : Version 1

    Format profile : Layer 2

    Mode : Joint stereo

    Codec ID : 3

    Duration : 20 min

    Bit rate mode : Constant

    Bit rate : 160 kb/s

    Channel(s) : 2 channels

    Sampling rate : 48.0 kHz

    Compression mode : Lossy

    Stream size : 23.9 MiB (17%)

    Language : English

    descriptor_tag_extension : 6

    Menu

    ID : 1700 (0x6A4)

    Menu ID : 5824 (0x16C0)

    Duration : 20 min

    List : 1702 (0x6A6) (MPEG Audio, English) / 7210 (0x1C2A) () / 7201 (0x1C21) () / 7204 (0x1C24) () / 7401 (0x1CE9) ()

    Language : English

    UTC 2016-07-27 15:00:00

    #72593
    grahamlthompson
    Participant

    Interesting. File extension is .mp3, audio is actually mp2 (mpeg1 layer 2).

    Try changing the file extension to .mpg

    #72594
    Anonymous
    Inactive

    Thanks very much for the advice.

    I changed the file extension to MP2 and it now works.

    Actually I’m using VLC to recode the files to reduce their size.

    Thanks onece again!

    #72595
    Anonymous
    Inactive

    Radar59 – 3 hours ago  » 

    Actually I’m using VLC to recode the files to reduce their size.

    On HDR-FOX T2, HD-FOX T2, HDR-2000T and HDR-1800T the audio only recordings can be reduced savagely without any recoding. Those models record all the epg for every channel which bloats the recording by up to 600% larger than it needs to be!

    What I do is run it through FFMPEG extracting the audio stream with no recoding. That brings the file size down by at least 75% with no loss of quality what so ever.

    Or is that what you meant by ‘recode’?

    #72596
    Anonymous
    Inactive

    Hi, Thanks for the reply again.

    Sorry for the time taken to reply.

    The FVP4000T lists the radio recordings with an MP3 extension but using FFMPEG to check the file contents it does show that the audio is MP2. A 30 minute recording is over 200Mb and converting either by VLC or FFMPEG then gets it down to just over 50Mb.

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