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  1. #1
    Big Fresh
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    PS3 Sound via Optical Output.

    Hey guys,

    Quick question - Is BlueRay audio via the optical out on the PS3 better than the standard DVD audio? I don't have a HDMI receiver, and the PS3 doesn't have multi-channel RCA outputs, so should I buy one, I'd be forced to use the optical output for audio. I know DVD tracks are somewhat compressed - particularly the Dolby Digital tracks. How about the Dolby Digital tracks played from BlueRay? Are they the same as DVD Dolby Digital tracks? Are any current BR disks even shipping with DDHD or DTSHD? Anyway, I was just curious.
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  2. #2
    way up in Canada eh f0rge's Avatar
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    output over optical is the standard DD and DTS tracks, basically the same as you would have on a standard DVD.

    i know DD runs around 640kbps, DTS a bit higher.

    most Blurays are shipping with HD audio, either Dolby, DTS or PCM.

    and yes, there is a MASSIVE difference.
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  3. #3
    Class of the clown GMichael's Avatar
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    Yup, just what he said. We'll need to go HDMI to get the new formats.
    WARNING! - The Surgeon General has determined that, time spent listening to music is not deducted from one's lifespan.

  4. #4
    way up in Canada eh f0rge's Avatar
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    however, that being said, if your set supports 1080p the visual upgrade alone is pretty outstanding.

  5. #5
    Big Fresh
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    Interesting. Thanks for the responses. I'm now curious as to why I've heard some people without HDMI lauding the quality of BR audio. You know, the people who "can't believe how much better it sounds", even though they're just listening to the standard DD or DTS tracks. Could it be that some of the standard tracks in BR are of higher quality than those found on the corresponding DVDs? Or, are people just so impressed with 1080p that they think they're hearing better audio?
    Receiver: H/K AVR 325
    Mains: Polk RTi-38
    Center: Polk CSi-30
    Surrounds: Polk FXi-30
    Subwoofer: SVS PB10-isd
    TV: Panasonic TH-C46FD18

  6. #6
    way up in Canada eh f0rge's Avatar
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    i decided to actually look it up, apparently the max bitrate for DD on a DVD is 448kbps, and on bluray 640kbps.

    so there's technically a small difference, but i dont think you could hear it.

    to compare the max bitrate for Dolby TrueHD is 18mbps (or 18,000kbps)

  7. #7
    Big Fresh
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    Thanks for the good info. Man, I kind of wish the PS3 had discrete outputs, now that it has onboard decoding capabilities.
    Receiver: H/K AVR 325
    Mains: Polk RTi-38
    Center: Polk CSi-30
    Surrounds: Polk FXi-30
    Subwoofer: SVS PB10-isd
    TV: Panasonic TH-C46FD18

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