i`ve heard you can encode
a vcd at lower bitrates and get more on one cd
is it true ?
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although this topic has been done to death (don't believe me? search the forum)...
the video bitrate settings that have worked for me with TMPGEnc using CQ_VBR, with an audio of 44.1khz, 64kbps stereo, NTSC rez of 352x240, 29.97fps, out to an MPEG-1 burned to one 80min disc, has been:
0-1200 = 90 minute movie
0-1100 = 100 minute movie
0-1000 = 110 minute movie
0-900 = 120 minute movie
0-800 = 130 minute movie
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Yes, but you DO NOT want to put a 2hr movie on 1 80min CDR. The normal VCD video bitrate is 1150kbit/s, to get a 2hr movie on an 80min CDR you'd have a total of 888kbit/s for both audio and video.
Let's say we drop the audio to 96kbit/s, then video would be 792kbit/s. Even in CCE at 5pass VBR that's going to look terrible
However, with that said it's kind of fun to pay around with this stuff so feel free to give it a try (maybe only enocde 2-5min at this bitrate to save time). -
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On 2001-09-11 17:39:00, Vejita-sama wrote:
Let's say we drop the audio to 96kbit/s, then video would be 792kbit/s. Even in CCE at 5pass VBR that's going to look terrible
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true, but i've noticed that letterboxed movies don't look as bad as the full-frame/pan-scan movies. if you crop the top/bottom black borders and encode only the image and let tmpgenc add the borders on the final mpeg, the movie is watchable. this also depends a lot on the quality of the source. i just did a rip of the dvd 'a new legend of shaolin' (94 minutes) to one 80min disc and it looked pretty bad since the source wasn't all that great to begin with. -
My new general rule of thumb: Even for "letterbox" movies, any video bitrate under 860 is too low.
And I use CCE 3-pass!
You might do it, but it's a catch-22, quality for space.
I think on mine, 860 video + 112k audio = around 107 minutes or so, or 1:47:00. This is as long as I'll go per SVCD or VCD, and some "problem" movies get slapped on 2 regardless.
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