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  1. #1
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    Question 42PFL7676H does not send sound from '3D from USB' to optical out

    Hello All,

    I have a 42PFL7676H (as I mentioned before) and I want to play 3D movies from USB.
    After some experimenting I got that working (found out that the TV is quite picky when it comes to sound and video-formats), but now my MKV's work, with audio AC3.

    I have an old amplifier and I have bought an optical-to-electrical converter, to connect the TV to it. That works like a charm, when watching TV or streaming from my PC. However, when I play 3D from USB, the sound only plays on the TV speakers (no sound on optical out).

    Can this be a bug? Or is it something I'm missing...

  2. #2
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    Hi,

    I think your converter does not support all kinds of AC3 streams...

    Toengel@Alex

  3. #3
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    I wasn't aware that there were different types...

    What type of stream does the TV send, when watching TV (which comes via HDMI 1)?

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    Hi,

    I think some converters can only convert 44.1 KHz inputs... so check what your converter supports... and post it ;-)

    Toengel@Alex

  5. #5
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    I forwarded that question to the supplier...

    But forgive if I don't see the point. The 3D movie sound plays fine when I use the TV-speakers. The converter works fine, when the TV gets its input from my digital decoder (via HDMI). Does the TV not output the same signal to the optical out for any sound?

  6. #6
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    I have a 42PDL7906H/12, sound it's ok with 2D films (at de momente I don´t have a 3d movie to test) and ac3 (or mp3 music) movies in my AV amplifier via optical output of Tv.

    Audio #1
    ID : 2
    Format : AC-3
    Format/Info : Audio Coding 3
    Mode extension : CM (complete main)
    Codec ID : A_AC3
    Duration : 25mn 33s
    Bit rate mode : Constant
    Bit rate : 384 Kbps
    Channel(s) : 6 channels
    Channel positions : Front: L C R, Side: L R, LFE
    Sampling rate : 48.0 KHz
    Bit depth : 16 bits
    Compression mode : Lossy
    Delay relative to video : 1s 500ms
    Stream size : 70.2 MiB (1%)
    Title : AC3
    Language : Portuguese
    Default : Yes
    Forced : No



    MP3

    Audio
    Format : MPEG Audio
    Format version : Version 1
    Format profile : Layer 3
    Duration : 2mn 31s
    Bit rate mode : Variable
    Bit rate : 222 Kbps
    Minimum bit rate : 80.0 Kbps
    Channel(s) : 2 channels
    Sampling rate : 44.1 KHz
    Compression mode : Lossy
    Stream size : 4.00 MiB (100%)
    Writing library : LAME3.97b
    Encoding settings : -m s -V 2 -q 2 -lowpass 18.6 --vbr-new -b 80
    Last edited by Manuel; 01-29-2012 at 06:06 PM.

  7. #7
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    Just tried to see if the problem lies with the 'USB -> optical out' connection. I played a W7 video sample (Wildlife in HD.wmv) from USB. That plays fine WITH SOUND on the optical out!

    So apparently the video-stream matters

    It's a drag, cause now I'll have to find out, what audio to use and convert my MKV... what a drag!

  8. #8
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    Hi,

    just post the MediaInfo of that file, which does not work. DTS is not supported on Philips TVs.

    Toengel@Alex

  9. #9
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    OK, here it is:

    Click image for larger version. 

Name:	CodecInfoTransformersMKV.png 
Views:	60 
Size:	58.3 KB 
ID:	816

    As you can see, this one is 44.1k and stereo. I have a few other MKV's which are basically the same, but 48k and 6 channels...

    Any ideas?

  10. #10
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    Hi,

    can you please use the program MediaInfo.sourceforge.net and paste the complete info (text mode). It does contain more information.

    Toengel@Alex

  11. #11
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    Quote Originally Posted by Toengel View Post
    Hi,

    can you please use the program MediaInfo.sourceforge.net and paste the complete info (text mode). It does contain more information.

    Toengel@Alex
    This is what MediaInfo has to say:

    Code:
    General
    Unique ID                                : 172779355973922912876943930916709337615 (0x81FC17F283732D369A200D2D2D280A0F)
    Complete name                            : I:\Transformers.Dark.Of.The.Moon.2011.mkv
    Format                                   : Matroska
    Format version                           : Version 2
    File size                                : 9.24 GiB
    Duration                                 : 2h 34mn
    Overall bit rate                         : 8 572 Kbps
    Encoded date                             : UTC 2011-12-27 21:25:46
    Writing application                      : mkvmerge v5.1.0 ('And so it goes') built on Nov 28 2011 23:58:28
    Writing library                          : libebml v1.2.3 + libmatroska v1.3.0
    
    Video
    ID                                       : 1
    Format                                   : AVC
    Format/Info                              : Advanced Video Codec
    Format profile                           : High@L4.1
    Format settings, CABAC                   : Yes
    Format settings, ReFrames                : 4 frames
    Muxing mode                              : Header stripping
    Codec ID                                 : V_MPEG4/ISO/AVC
    Duration                                 : 2h 34mn
    Bit rate                                 : 8 209 Kbps
    Width                                    : 1 920 pixels
    Height                                   : 1 080 pixels
    Display aspect ratio                     : 16:9
    Frame rate                               : 23.976 fps
    Color space                              : YUV
    Chroma subsampling                       : 4:2:0
    Bit depth                                : 8 bits
    Scan type                                : Progressive
    Bits/(Pixel*Frame)                       : 0.165
    Stream size                              : 8.85 GiB (96%)
    Writing library                          : x264 core 120 r2120 0c7dab9
    Encoding settings                        : cabac=1 / ref=4 / deblock=1:-3:-3 / analyse=0x3:0x113 / me=umh / subme=7 / psy=1 / psy_rd=1.00:0.15 / mixed_ref=1 / me_range=16 / chroma_me=1 / trellis=1 / 8x8dct=1 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=-3 / threads=18 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / bluray_compat=0 / constrained_intra=0 / bframes=3 / b_pyramid=2 / b_adapt=1 / b_bias=0 / direct=3 / weightb=1 / open_gop=0 / weightp=2 / keyint=250 / keyint_min=23 / scenecut=40 / intra_refresh=0 / rc_lookahead=40 / rc=crf / mbtree=1 / crf=18.0 / qcomp=0.60 / qpmin=10 / qpmax=69 / qpstep=4 / ip_ratio=1.40 / aq=1:1.00
    Language                                 : English
    Default                                  : No
    Forced                                   : No
    
    Audio
    ID                                       : 2
    Format                                   : AC-3
    Format/Info                              : Audio Coding 3
    Mode extension                           : CM (complete main)
    Muxing mode                              : Header stripping
    Codec ID                                 : A_AC3
    Duration                                 : 2h 34mn
    Bit rate mode                            : Constant
    Bit rate                                 : 192 Kbps
    Channel(s)                               : 2 channels
    Channel positions                        : Front: L R
    Sampling rate                            : 44.1 KHz
    Bit depth                                : 16 bits
    Compression mode                         : Lossy
    Stream size                              : 212 MiB (2%)
    Default                                  : Yes
    Forced                                   : No
    I hope this sheds some light on the matter? The compatibility-list for my TV only mentions HE-AAC, AC3, MP3 and PCM as audio-codec. No restrictions of any other kind...

  12. #12
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    Right, things are getting more complicated rapidly.

    The supplier of the optical-to-analog converter states that:
    The converter only supports 2-channel PCM
    So I tried to convert the audio from AC3 to PCM, which eventually succeeded. I attached my USB-drive to the TV, browsed to the file and BINGO:

    Error: the file can not be found or played.
    Like I said before: the list clearly mentions HE-AAC, AC3, MP3 and PCM as audio-codecs for MKV files. This is what MediaInfo syas this time:

    Code:
    Video
    ID                                       : 1
    Format                                   : AVC
    Format/Info                              : Advanced Video Codec
    Format profile                           : High@L5.1
    Format settings, CABAC                   : Yes
    Format settings, ReFrames                : 2 frames
    Muxing mode                              : Header stripping
    Codec ID                                 : V_MPEG4/ISO/AVC
    Duration                                 : 44mn 2s
    Width                                    : 1 920 pixels
    Height                                   : 1 080 pixels
    Display aspect ratio                     : 16:9
    Frame rate                               : 23.976 fps
    Color space                              : YUV
    Chroma subsampling                       : 4:2:0
    Bit depth                                : 8 bits
    Scan type                                : Progressive
    Writing library                          : x264 core
    Default                                  : Yes
    Forced                                   : No
    Color primaries                          : BT.709-5, BT.1361, IEC 61966-2-4, SMPTE RP177
    Transfer characteristics                 : BT.709-5, BT.1361
    Matrix coefficients                      : BT.709-5, BT.1361, IEC 61966-2-4 709, SMPTE RP177
    
    Audio
    ID                                       : 2
    Format                                   : PCM
    Codec ID                                 : A_PCM/INT/LIT
    Duration                                 : 44mn 2s
    Bit rate mode                            : Constant
    Channel(s)                               : 2 channels
    Sampling rate                            : 44.1 KHz
    Bit depth                                : 16 bits
    Default                                  : Yes
    Forced                                   : No
    Any ideas?

  13. #13
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    Anyone? Toengel?

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