What does 48k mean?

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  • bluesfan
    Junior Member
    • Nov 2005
    • 26

    What does 48k mean?

    When playing the source from my dvd player I get 48k on the front panel and with any sound mode selected. It is connected via coax.

    What does 48k mean?
  • Kevin P
    Member
    • Aug 2000
    • 10808

    #2
    It's the bitrate of the digital signal being sent from the dvd player into your processor/receiver. PCM can be 44.1, 48, or 96.

    Is your dvd player set up to send Dolby Digital and/or DTS bitstreams unaltered to your receiver? You may want to check.

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    • mickster1972
      Member
      • Feb 2005
      • 91

      #3
      Somewhat related to this, is it possible to get a Dish PVR model 921 (or any other satellite receiver) to spit out anything other than a 48K PCM bitstream? If so, what configuration should I be looking for in the setup menu? I would very much like to listen to the audio only satellite channels in 44.1K. It seems to me there is better imaging when I play my regular CDs through the Rotel (which shows the 44.1K sampling rate) when the sound is sampled at 44.1K versus the same music played through a satellite radio station like sirius. Thanks.
      "MMMMMMM..... Floor Pie..... Marge, where's the silver digging thing?"

      -Homer

      Comment

      • Kevin D
        Ultra Senior Member
        • Oct 2002
        • 4601

        #4
        The Dish can only output 48khz, but thats not the difference that makes CD's sound better. It's the fact that CD's just sound better. Sirrius sounds bad enough through a Sirius tuner, it's killed by the time it goes through the compression Dish puts on it.

        Kevin D.

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        • grit
          Senior Member
          • Jan 2005
          • 580

          #5
          Ditto on what Kevin said. I use to have XMRadio, and I can tell you that most of the sound is compressed, probably to save on bandwidth. It would seem their philosophy is quantity over quality. Unfortunatey, high end audio people such as ourselves probably make up a very small percentage of their subscribers, so I'd not expect any changes soon.

          However, I am curious to see what Rotel accomplishes (if anything's possible) with their upcoming Sirius/FM tuner.

          Comment

          • mickster1972
            Member
            • Feb 2005
            • 91

            #6
            That makes sense, Kevin. Thanks. Do you happen to know what compression scheme Dish uses to wreck, I mean deliver, the audio channels?

            Are any other satellite-based or internet-based content providers sending out uncompressed or lossless audio?

            Maybe I should just buy or build an HTPC/audio server...
            "MMMMMMM..... Floor Pie..... Marge, where's the silver digging thing?"

            -Homer

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            • Kevin P
              Member
              • Aug 2000
              • 10808

              #7
              I believe they use Dolby Digital for their audio compression.

              Comment

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