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Thread: Help wih AAC audio

  1. #11
    Join Date
    Jun 2007
    Location
    Southern England
    Posts
    649
    Ok these MP4 files are working prefectly now. I found I actually did already have the latest version of Haali installed - but when I had installed it I had unchecked all the optional things like OGG, MPEG-TS...and MP4. In other words I only wanted H264 support for MKV files.
    Installing it again, but this time leaving MP4 checked, is what got things working correctly. So now Haali is being used as the splitter for MP4 files - gawd knows what was doing them before! I never had a problem with the video quality - I use the Cyberlink H264/AVC decoder and it's fine.
    So happy that Dolby pro-logic is still intact in the AAC audio, so now using ffdshow for the audio I have surround-sound again. (Windows MC has no pro-logic decoder so was limited to stereo only on the MP4 files with AAC audio).
    Still don't understand what a splitter does, but now it's working guess it does not matter :-)
    Lounge Gigabyte 780g-Nvidia GTX560ti-AMD PhenomII 960T-Crucial C300 SSD 64gb-Samsung F1 500gb-2x Samsung F1 1tb-NovaT USB-Nova HDS2-XP Pro/W7 (dual-boot).
    Gigabit networked to:
    Gigabyte 740g-Nvidia 8800GTS-AMD X2 6000-Samsung F1 1tb-Seagate 320gb-Samsung F3 1tb-NovaT PCI-TBS 6981-XP Pro/W7 (dual-boot)

  2. #12
    Join Date
    May 2008
    Location
    Nebraska, USA
    Posts
    454
    > Ok these MP4 files are working prefectly now.

    Cool! I love it when a plan comes together!

    > So happy that Dolby pro-logic is still intact in the AAC audio,
    > so now using ffdshow for the audio I have surround-sound again.

    Great! I don't have surround sound yet, but it's next up (I just repaired a 65" Sony rptv I got for free (had the convergence chips out) so now with a big screen I need big sound too!

    > Still don't understand what a splitter does,
    > but now it's working guess it does not matter :-)

    I don't really know what the whole codec/container/splitter stuff does either, and like you - once it's all working it's not worth figuring out!

    Glad I could help point you in the right direction!

    Take care,

    Steve

  3. #13
    Join Date
    Nov 2003
    Location
    NextPVR HQ, Wellington, New Zealand
    Posts
    76,319
    Quote Originally Posted by Pob View Post
    Still don't understand what a splitter does, but now it's working guess it does not matter :-)
    A splitter is responsible for taking a byte stream format and splitting out the audio/video streams to feed them to the appropriate decoders. For example, H.264 video can be stored in lots of different types of container files, like .ts .mp4 .mkv etc, the splitter takes care of extracting the audio/video packets from those specific container formats, and passing them to the decoders. ie, "splits" out the audio video packets.

    They're sometimes also called demultiplexers or parsers.

  4. #14
    Join Date
    Jun 2007
    Location
    Southern England
    Posts
    649
    Quote Originally Posted by sub View Post
    A splitter is responsible for taking a byte stream format and splitting out the audio/video streams to feed them to the appropriate decoders. For example, H.264 video can be stored in lots of different types of container files, like .ts .mp4 .mkv etc, the splitter takes care of extracting the audio/video packets from those specific container formats, and passing them to the decoders. ie, "splits" out the audio video packets.

    They're sometimes also called demultiplexers or parsers.
    Thank you for the explanation Sub!
    Lounge Gigabyte 780g-Nvidia GTX560ti-AMD PhenomII 960T-Crucial C300 SSD 64gb-Samsung F1 500gb-2x Samsung F1 1tb-NovaT USB-Nova HDS2-XP Pro/W7 (dual-boot).
    Gigabit networked to:
    Gigabyte 740g-Nvidia 8800GTS-AMD X2 6000-Samsung F1 1tb-Seagate 320gb-Samsung F3 1tb-NovaT PCI-TBS 6981-XP Pro/W7 (dual-boot)

  5. #15
    Join Date
    May 2008
    Location
    Nebraska, USA
    Posts
    454
    MP4s suck! I still occasionally get one that goes out of synch - on both my htpc and my popcornhours! Why oh why did we have to leave something that just plain worked!?

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