Compressor M2T with AC3?

I'm trying to transcode a .mov file using Compressor.  I need a M2T video with AC3 audio.  I can't seem to change the preset.  Can you help me? 

I had thought taking two elementary streams (from Compressor), muxed in MPEG Streamclip would give you what you need for your server. Can almost get there, but, unfortunately with a .ts extension. Try changing it to a .m2t extension and see whether it works, but I'm not confident.
Possibly Telestream's product can do what you need; check out the trial version of Episode.
Good luck.
Russ

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    - there are no plug-in audio components
    - I've repaired permissions using Disk Utility
    - I moved Compressor to trash, deleted compressor plist files, and reinstalled

    MediaInfo trace:
    General
    Complete name : /Users/tester/Movies/export-tests/test24trailer.mpg
    Format : MPEG-PS
    File size : 12.9 MiB
    Duration : 12s 576ms
    Overall bit rate mode : Variable
    Overall bit rate : 8 614 Kbps
    Video
    ID : 224 (0xE0)
    Format : MPEG Video
    Format version : Version 2
    Format profile : Main@High
    Format settings, BVOP : Yes
    Format settings, Matrix : Default
    Format settings, GOP : Variable
    Duration : 12s 533ms
    Bit rate mode : Variable
    Bit rate : 7 995 Kbps
    Maximum bit rate : 38.8 Mbps
    Width : 1 280 pixels
    Height : 720 pixels
    Display aspect ratio : 16:9
    Active Format Description : Letterbox 16:9 image
    Frame rate : 59.940 fps
    Color space : YUV
    Chroma subsampling : 4:2:0
    Bit depth : 8 bits
    Scan type : Progressive
    Compression mode : Lossy
    Bits/(Pixel*Frame) : 0.145
    Stream size : 11.9 MiB (92%)
    Audio
    ID : 189 (0xBD)-128 (0x80)
    Format : AC-3
    Format/Info : Audio Coding 3
    Mode extension : CM (complete main)
    Format settings, Endianness : Big
    Muxing mode : DVD-Video
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    Channel(s) : 6 channels
    Channel positions : Front: L C R, Side: L R, LFE
    Sampling rate : 48.0 KHz
    Bit depth : 16 bits
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  • Transport with AC3 Possible

    Not well versed in Compressor. First attempts have yielded no success in building a Transport Stream Mpeg2 file with AC3 audio. Can someone detail how I achieve this?
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    The reason I ask this is I decided to do my DVD with AIFF audio, to keep the quality as high as possible (it's a tutorial series for some music software.)
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    OK Then, Stephen,
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    Trai Forrester
    New Constellation Technologies
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  • H264 with AC3

    Hi,
    I would like to export my FCPX HD videos using H264 video and AC3 5.1 multichannel audio in an appropriate container.
    The reason why I am not using AAC multichannel audio is because:
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    - DVD or BlueRay burning software do as well not support multichannel AAC (just performing downmixes);
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    - Is anybody aware of a DVD or BlueRay burning software capable to handle multichannel AAC as true multichannel (whether as discrete PCM channels or as an AC3 transcode) ?
    - Are there plans that ATV4 will properly support AAC multichannel (whether as discrete PCM channels via HDMI or as a DTS or AC3 transcode via optical audio interface) ?
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    I think I found the solution:
    I inspired myself on the iTunes format .m4v which allows the combination of H264 video with AC3 audio.
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    - Quicktime should be updated to correctly display within inspector the status of the AC3 decode. Indeed, presently quicktime will decode a 5.1 AC3 but will display it as a 'stereo' audio, which is not correct and misleading. VLC shows for instance the correct Dolby format...
    - it's a pitty that iDVD does not support AC-3 passthough or a transcode for AAC to DTS or AC3, because multichannel audio is quite standard for DVD's and most MAC users will have video files with multichannel audio.
    - ATV should support multichannel decoding of .mov files using multichannel AAC, whether via discrete PCM channels on the HDMI interface or via a DTS (or AC3) transcode via the optical audio interface.
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    Use Motion Estimate Better instead of Best
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    Don't use Export>For Compressor from FCP, instead export a FCP reference file from Export>Quicktime and use that in Compressor.
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    ref:
    http://www.larryjordan.biz/articles/ljdvdexport.html
    http://www.larryjordan.biz/articles/ljbitrate.html
    DUAL G5 2GHZ   Mac OS X (10.4.6)   2.5 GIGS RAM

    Well, different "experts" with slightly different views.
    This from hanumang's response to Jerry Hofmann over in the FCP discussion forum:
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    hanumang, have you seen a quality difference using the compressor method?
    Jerry
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