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Can I make an audio CD longer than 74 mins?
Hi
Is it possible to make an audio CD longer than 74 mins with a standard CD-R? Ive been wondering...as a standard CD holds approx 650-700Mb, if i record at lower res than CD quality = less space so does it correlate that I can then put more recorded material onto a CD. I suspect not as I want to make a standard audio CD (not data CD) that can be played back on a standard CD player. Thanks for any info. Ian |
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On Fri, 27 May 2005 00:19:01 +0000 (UTC), "Ian Roberts"
wrote: Hi Is it possible to make an audio CD longer than 74 mins with a standard CD-R? Ive been wondering...as a standard CD holds approx 650-700Mb, if i record at lower res than CD quality = less space so does it correlate that I can then put more recorded material onto a CD. I suspect not as I want to make a standard audio CD (not data CD) that can be played back on a standard CD player. Thanks for any info. Ian Not the way you intend. To stay in spec and be playable as an audio CD, the audio stream has to be encoded as per the CD redbook spec. If you re-encoded it to a lower quality, you'd just be giving yourself bad audio quality for nothing. The authoring program will convert them back to spec, however, the audio data you threw away to compress it is still gone. To get more than 74 minutes with an AudioCD (redbook), you really only have two options: 1. Buy higher capacity CDs. 74 minute CDs are the standard, but 80minute CDs are the "defacto" standard as they're more common now. You can buy 90 and 99 minute CDs, but because these aren't considered standard in any way, you'll have to use the drive's overburn mode to burn them beyond 80minutes, and not all players (or even DVD-ROM/burners) can read them. 2. Use drive's "overburn" mode on the regular 74 or 80 minute CDs. While CDs are specified for a certain number of minutes but most discs have a few minutes worth of recording space past that. The amount varies from manufacturer to manufacturer and sometimes batch to batch, so there's no real way to be sure how much extra space you'll squeeze. It could be 1 minute to as much as 5 minutes. If you have an MP3-CD player, you could burn the disc as a data disc loaded with MP3's. Depending on bit bit rate you choose, you can have as much as several hours of music on a single disc then. Of course, as it's not a real audio CD, a regular CD audio player wouldn't be able to play it. --------------------------------------------- MCheu |
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