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  1. #1
    Senior Member
    Join Date
    Apr 2013
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    Pass A Grille Florida 1/2 the year at the beach house.
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    196

    Blu-ray vs Streaming sound quality.

    Is the a big difference in sound Quality streaming a movie from Amazon
    vs Blu-ray Disc?
    (Using a new 2015 movie on a great system)

    If so, what suffers the most in THX surround?
    2 Channel: Sonus Faber Elipsa's, JL sub, McIntosh 501 amps, McIntosh tuner, pre-amp, CD player, Wire World. Pro-ject TT.

    Home Theater Room: McIntosh LS360's, 2 JL F113 subs, Projector, Oppo, 5.1 System.

    Office: Sonus Faber Auditors, McIntosh MA 2275, Concept TT.

    Long term system 1970's: McIntosh ML 1C speakers, MAC 1700, McIntosh MQ 101 Eq.

    Headphones: Audeze LCD 3, Woo Amp.

  2. #2

    Re: Blu-ray vs Streaming sound quality.

    IMO, the bitstream audio element of the best quality HD stream today is as good as the bitstream audio rate of DVD.

    Blu-ray content is generally uncompressed. DTS HD Master and Dolby True HD (Meridian Lossless Packing) are lossless formats usually found on BD audio tracks. They will always sound better (with or without THX post processing) than any lossy stream no matter how good the streaming CODEC.

    If your processor detects a lossless bitstream, it should be one of the above, otherwise it will fallback to a lossy format. A good processor will also down-mix if you don't have all of the recorded channels without dropping to a lossy CODEC.

    Similarly, you can pass the conversion into analog external inputs without losing anything and do the THX post processing and room equalisation at the HT processor if your upstream source is better at doing lossless DAC. Personally, when running an analog signal in via external inputs, my preference is to keep it in that domain and do nothing more to it. Eg multi-ch SACD, BD-Audio.


    Speakeasy

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Blu-ray vs Streaming sound quality.

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