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  • Systems
    Systems Posts: 14,873
    edited October 2007
    heiney9 wrote: »
    I'm also pretty sure that 1 bit DSD type converters don't use oversampling.
    Yes actually they do oversample something on the order of 128x .They shift the noise to very high frequencies.
    Also I suspect you are meaning when you say DSD you are refering to Delta Sigma not Direct Stream Digital (sacd)AS they are different beasts.While DSD is a 1bit process not all 1 bit or Delta Sigma Dac's can process the DSD data.

    Also oversamling should not be confused with upsampling as they there is important differences between the two.
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  • Refefer
    Refefer Posts: 1,280
    edited October 2007
    heiney9 wrote: »
    Wrong oversampling has nothing to do with jitter reduction. Most jitter is created by a mis-match between the sending clock and recieving clock during conversion.

    The second statement is also not true, although there are probably some very nice sounding dac's that use no oversampling. My guess is they use another form of filtering as there is some nasty stuff at 44.1kHz. I'm also pretty sure that 1 bit DSD type converters don't use oversampling. The DSD type dac's are a completely different type of design than std ladder type converters.

    I'm sorry to be so lazy but I have covered all this before in other posts and I'm not going to rehash it all again. Search, it's here somewhere. ;)

    H9

    Well, there we go. Guess we're all still learning. I was garnering my opinion from: http://www.audioholics.com/education/audio-formats-technology/upsampling-vs-oversampling-for-digital-audio

    Regardless, my dac still sounds pretty good. Still worth a listen, especially at the price range you're aiming for.
    Lovin that music year after year.

    Main 2 Channel System

    Polk SDA-1B,
    Promitheus Audio TVC SE,
    Rotel RB-980BX,
    OPPO DV-970HD,
    Lite Audio DAC AH,
    IXOS XHA305 Interconnects

    Computer Rig

    Polk SDA CRS+,
    Creek Audio 5350 SE,
    Morrow Audio MA1 Interconnect,
    HRT Music Streamer II
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  • SolidSqual
    SolidSqual Posts: 5,218
    edited October 2007
    Sorry,I figured that would be assumed as this is an internet forum. I've always questioned everything I read. Good lesson for everyone . . . in this forum and everywhere else.
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  • SolidSqual
    SolidSqual Posts: 5,218
    edited October 2007
    heiney9 wrote: »
    You forgot to add "in your opinion" ;)

    Refer to post above.
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  • thejck
    thejck Posts: 849
    edited November 2007
    ok i have been looking at this dac

    Lite Audio DAC AM Modified
    http://www.pacificvalve.us/LTDACAM2.html

    question i have is the volume control thats on there. does it control just the headphone jack output and wont be used when i use the balanced outputs??

    also should i get the modified one or just the stock one?
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