What bit rate is the Dolby Digital output on the XBOX?

Discussion in 'Archived Threads 2001-2004' started by Justin Ward, Feb 12, 2003.

  1. Justin Ward

    Justin Ward Supporting Actor

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    Is the bitrate of the Dolby Digital output on the XBOX limited to 448kb/s like DVD or can it output at the max data rate of 640 kb/s?
     
  2. Sean*O

    Sean*O Second Unit

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    I have heard 640kbps.
     
  3. Max Leung

    Max Leung Producer

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    It's probably 640kbps.

    Imagine my surprise when a review of the nforce-based motherboards had a picture of a newer Yamaha receiver showing the bit-rate from the PC as 640kbps. As far as I know, the nforce audio has exactly the same silicon as the xbox chipset, even on the newest nforce2 chipsets.

    No wonder games sound so good!
     
  4. Bob_L

    Bob_L Supporting Actor

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    I believe that the bit rate of DD5.1 is determined by the rate at which the original digital audio was compressed, NOT by the playback device
     
  5. Scott L

    Scott L Producer

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    One of the first Halo threads had a member that confirmed he was getting a 640kbps DD bitstream from the Xbox.
     
  6. JeffMuller

    JeffMuller Stunt Coordinator

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  7. Max Leung

    Max Leung Producer

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    I believe Bob was referring to DVD playback. Naturally, it should passthrough the signal unaltered. Playing games, which involves real-time encoding, should be at 640kbps.
     
  8. Javier_Huerta

    Javier_Huerta Supporting Actor

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    Hmmm. I have an old Yamaha receiver that can't do 640 Kb/s DD decoding. Something to think about. [​IMG]
     

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