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Activity Forums DVD Authoring How to Increase Space Used On DVD

  • How to Increase Space Used On DVD

    Posted by Henry Panniell on November 19, 2008 at 5:14 pm

    Hi all:
    I was using Adobe Encore automatice mode, and I think the bit rate was to high at 9mb, kept getting pauses, and skip forwards after the pauses. Troubleshooting this I did several things, changed media, etc. But when burned on Encore auto mod, 95% – 98% of the dvd was used for the file. I adjusted the transcodeing to 1.5-4-7 and now when burned the file looks like a small ring around the center of the dvd approx 30% – 50% use of the total space. What must i tweak to adjust this to spread the file more on the dvd again ? ? My logic is, the more it is spread, the less compress it is, the better the clearity, or something 🙂
    Thanks – hap

    Jeff Pulera replied 17 years, 6 months ago 3 Members · 6 Replies
  • 6 Replies
  • Michael Sacci

    November 19, 2008 at 5:25 pm

    What is your show length? If the bitrate of 9Mbps fit why in the world would you drop it to 4.7 average.

    Yes 9Mbps is too high especially on a DVD-R. Drop it to max of 7.5 Mbps / average of 5.5 Mbps / min of 3.5 Mbps. Also using ac3 audio is very important for getting smooth playback.

    It does not matter what this covers on the disc.

  • Henry Panniell

    November 19, 2008 at 6:36 pm

    Thanks for the info, the length is approx 1hr 20mins. Audio options are PCM, DD, or mpeg 4, I started with DD, now I’m trying PCM. . . I’m all ears and Thanks again
    Hap

  • Michael Sacci

    November 19, 2008 at 6:41 pm

    1st – stop trying to fill the disc, there is no reason to do this.

    DD = Dolby Digital = ac3 – stay with this.

    IF you can do a CBR (Constant Bit Rate) at 7 Mbps.

    This should give you top quality and good playback.

  • Henry Panniell

    November 19, 2008 at 8:37 pm

    Thanks, that what I’ll do

    Hap

  • Henry Panniell

    November 19, 2008 at 10:09 pm

    In the duplicator I get error message Blank Disc Length Not Enough . . somedays are like that ! ! !

  • Jeff Pulera

    November 20, 2008 at 4:15 pm

    A good rule of thumb I found on the Adobe site is to divide 560/minutes.

    This will give you the encoding rate, assuming AC3 audio. Your 80 minute program comes out as 560/80=7, so use 7.0 for encoding, and use CBR as suggested. At higher bitrates, VBR doesn’t help, just takes longer to encode.

    Jeff Pulera
    Safe Harbor Computers

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