Original Message 1/6                 Date: 04-Aug-00  @  07:18 AM   -   Low quality in digital processing

mrud2000

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Hi Dancetechers

I got the issue with low sound quality with digital mixing and processing. Many messages already pinted out the problem, but in most cases they point the sound card quality and specificly DAC converters. I agree with it, but...
I have made the following experiment. I ripped some good quality (to my perception) music from CD. Then I burnt a new CD with this sample. Then I played back the new CD on the same player and the quality was noticeable dropped down. It could not be sound card or DAC because I did not use it! I used the same DAC as with original CD. It this down to conversion from raw audio data into wave and back that decreases quality? Anybody digged down this issue before? Maybe this is only my set up and perception?

Any comments appreciated

Best regards
mrud

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Message 2/6                 Date: 04-Aug-00  @  08:02 AM   -   RE: Law quality in digital processing

Jasper

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interesting... erm, if you geeky like me anyway.

did you actually rip the music or just record whilst you played the cd.. cos the lead from a cd player in your pc to the soundcard isn't digital.. it's converting digital to analogue then back again.

a ripper will pull the cd audio file onto your hard drive via the pci bus.. which is why some older cd players can't do it.

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Message 3/6                 Date: 04-Aug-00  @  08:16 AM   -   RE: Law quality in digital processing

Jasper

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it does sound like you ripped it tho.. I dunno.

converting from raw to wav won't lose any quality. there aint some bit's lost while burning is there? there shouldn't be.

there must be some kind of conversion going on at some point.. have you checked the burner program for settings etc?

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Message 4/6                 Date: 06-Aug-00  @  11:30 AM   -   RE: Law quality in digital processing

mrud2000

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Hi There,

I did not even thought that it could not be a ripping process, but just simple recording. It might be that.
I used a new Toshiba Satellite notebook and Adaptec Easy CD creator.
Thanks Jasper for suggestions. At least I know that raw2wav should not affect quality.

Brgds mrud

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Message 5/6                 Date: 09-Aug-00  @  05:02 PM   -   RE: Law quality in digital processing

teknoguy

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Yeah, there is a loss of sound quality when ripping a CD to mp3. Thats why all those adds for Rios or whatnot say "hours of near-CD quality in the palm of your hand" or whatever they say. ...yeah.

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Message 6/6                 Date: 24-Aug-00  @  06:27 PM   -   RE: Law quality in digital processing

mikec

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Does it sound dull compared to the original by any chance?

Like some of the high frequencies are missing?

That is caused by errors on the CD. It could be the writer, a dodgy blank disc, or even the software. A few years ago, there was investigation into why some CD writers simply did not like certain brands of disc. You may have been unlucky enough to have this happen (it doesn't really happen anymore).

All CD players have error correction. If an error is encountered then the player will do a bit of oversampling magic and compensate for it. You don't notice errors usually, but when there are lots of them (caused by the writing process), the music sounds dull.

MikeC

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