TMPGEnc question

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  • burns212000
    Junior Member
    Junior Member
    • Oct 2003
    • 10

    TMPGEnc question

    just out of curiosity (there might not be a simple answer to this ques)...why does converting the audio format to an uncompressed PCM allow a standalone DVD player to play the VCD? is it because the file size becomes much bigger when converting to PCM and thats "easier" for the standalone to read?
  • setarip
    Retired
    • Dec 2001
    • 24955

    #2
    I'm afraid your theory is not valid - because, at best, an Uncompressed PCM (.WAV) audio file is but an intermediate step in the creation of a VCD file (If the original audiostream was a Variable Bitrate .MP3, for example). The final VCD file is actually comprised of a videostream in MPEG-1 format and an audiostream in MPEG-1 Layer II format...

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    • burns212000
      Junior Member
      Junior Member
      • Oct 2003
      • 10

      #3
      ok...you're right, i didnt understand the process... (actually just did not think it through before i asked the question)....but i have another question....if its only an intermediate step, why does one have to do it (convert to uncompressed PCM) in order for the final VCD creation to play in a standalone?

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      • setarip
        Retired
        • Dec 2001
        • 24955

        #4
        As I said before, if the original audiostream was a Variable Bitrate .MP3, for example - TMPGEnc cannot handle that audioformat. Therefore, you'd have to convert that audiostream to something TMPGEnc CAN handle - Constant Bitrate .MP3 or Uncompressed PCM (.WAV)...

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        • burns212000
          Junior Member
          Junior Member
          • Oct 2003
          • 10

          #5
          more to add....i just looked at the file information of the final product(actually plural, final products because of 1st and 2nd split)....the 1st split audio final info is as follows: 44KHz, 224Kbps layerII....is that what it should be to ensure audio to play in the standalone?

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          • setarip
            Retired
            • Dec 2001
            • 24955

            #6
            Yes...

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            • burns212000
              Junior Member
              Junior Member
              • Oct 2003
              • 10

              #7
              ok...you say TMPGEnc "could not handle" certain types of audio formats....does that mean then it would refuse to encode because it couldnt recognize it? when i used TMPGEnc the 1st time around it never said it couldn't recognize a certain audio format....when you say "could not handle", do you mean it wouldn't produce a final product that was allowed to play on a standalone?

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              • setarip
                Retired
                • Dec 2001
                • 24955

                #8
                It means that it would create a video WITHOUT SOUND...

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                • burns212000
                  Junior Member
                  Junior Member
                  • Oct 2003
                  • 10

                  #9
                  ok....sounds good, i think i have a much better understanding of all this and i really appreciate your great advice and help....with your nearly 13,000 posts i see that you have helped out a number of people....i think that's awesome, and once again, thank you

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                  • burns212000
                    Junior Member
                    Junior Member
                    • Oct 2003
                    • 10

                    #10
                    ok....one more ques. (hopefully not annoying you yet)....is it possible that playing the CREATED VCD (not avi file from hard drive) on the computer would have sound but not w/ the standalone?

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                    • setarip
                      Retired
                      • Dec 2001
                      • 24955

                      #11
                      If you've created a VCD including a 44KHz, 224Kbps layerII audiostream, and your standalone DVD player can play your burned VCD, it should play with audio on your standalone...

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                      • burns212000
                        Junior Member
                        Junior Member
                        • Oct 2003
                        • 10

                        #12
                        ok...thank you very much for all your help (and patience)

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                        • setarip
                          Retired
                          • Dec 2001
                          • 24955

                          #13
                          "thank you very much for all your help (and patience)"

                          My pleasure ;>}

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