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CDR Burn Speed and Audio Quality
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rgoodwin
Newbie
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24. January 2003 @ 22:49 _ Link to this message    Send private message to this user   
Surely ripping them using the drive you recorded them on isn't going to prove much?

My problems with audio quality only show up on other playback systems (my car CD player, personal hi fi).

Same WAV file. Change the record speed, it changes the audio quality on those players.

The disks will read fine on the burner, and play fine on my domestic hi fi.

I'm convinced that the car and portable hi fi can't cope with the error rate, and that changing the burn speed is changing the error rate.

I just don't have a way of measuring it.

Richard
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mr_lemon
Junior Member
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25. January 2003 @ 06:50 _ Link to this message    Send private message to this user   
Hi Richard,

I ripped them using a completly different computer with a Pioneer DVD-Rom and LG Burner. I didn't use the Yamaha 8424S for the rips.

Stil, i am in total agreement with u about the sound quality issues. Burn Speed does change quality, but my new LG 40x burner does not really show much quality drop with burn speed.

The LG 8400b's lowest burn speed is 8x. I notice a slight difference between this burn and the original, BUT if i burn at 24x, its the same difference. Both the 8x and 24x burns sound the same. Also, no matter wat speed i burn on the LG, it sounds better then the Yamaha burner ever did.

I can only guess that CD-R drive technology has improved quite a lot since I bought the Yamaha 8424s. I think a newer CD-R with more burn options (like speed below 8x) will make ur burns much better.

Now I'd like to know which CD-R drives are best for making good audio dubs? I wonder if there is a difference from one CD-R drive to another?


TOM...


cd-rw.org
Senior Member

4 product reviews
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25. January 2003 @ 12:52 _ Link to this message    Send private message to this user   
mr lemon,

Do you experience the quality difference with any CD audio player, or just one?

Quality differences between CD-R drives: There is no such information available as nobody has documented audio quality differences. I would look at the audio player, not the CD-R drive.

The old school is back. All hail the new http://BitBurners.com !
Pio2001
Moderator
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26. January 2003 @ 10:42 _ Link to this message    Send private message to this user   
Mr_Lemon wrote : "I think a newer CD-R with more burn options (like speed below 8x) will make ur burns much better. "


That's not sure, there are more and more reports of bad burns at low speed :

http://forums.afterdawn.com/thread_view.cfm/15634
http://www.cdrinfo.com/Sections/Articles/Specific.asp?ArticleHeadline=Jitter+Tests&index=4
http://www.cdrlabs.com/phpBB/viewtopic.php?t=8854

EDIT : Oops ! I'm linking this very thread, ha! ha!

Pio2001

This message has been edited since posting. Last time this message was edited on 26. January 2003 @ 10:47

Wildstar
Junior Member
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26. January 2003 @ 11:51 _ Link to this message    Send private message to this user   
I can't explain why would 8x burn come out worst than 16x or 24x ones, but at very low speeds (1x and 2x) we have to keep in mind that the laser will be at writing power for 83 or 43 minutes, and the heat build-up, both on the disc and on the laser, could possibly cause added jitter???
mr_lemon
Junior Member
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26. January 2003 @ 15:43 _ Link to this message    Send private message to this user   
Hi,

The quality difference occurs with ANY CD Player. While it is harder to hear on boom boxes and car decks, it is still audible. Most of the CD players and play back systems I have access too are pretty high fidelity.

The Boombox being the only low fidelity cd playback that tends to hide the differences, mostly because they have 'boom' built right in, no matter wat ur listening too.


TOM...




perldev
Newbie
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28. January 2003 @ 23:48 _ Link to this message    Send private message to this user   
[rgoodwin]
I've produced unreadable audio disk with TEAC 40/12/40 drive at 4x which (older TEAC drives, i.e. my previous 16/10/40) regulary achieve high quality audio records.
Before weeks ago I've tried something interesting for me: I've used low quality disk and burn audio CD using LiteOn 48/24/48 at 32x
and quality was pretty good! That was unexpected suprise for me. Then I've tried at 4x and the quality was the same...
At 4x LiteOn use CLV and CAV at 32x.. but no one of these methods produce gabs.
I believe that recording media is also extramly important. For example LiteOn recomends: RICOH, RITEK, PRINCO etc..(http://www.liteonit.com/english/english-s-faq-cdrw.htm) moreover writing method is also important, so not always you can rely to low writing speeds (TEAC case).
I guess that CAV is better than CLV (I talk about quality, not about max. possible write speed)?
Anyway, today's CD-RW are really perfect and they could burn audio CDs with the apprx. same quality at 4x and 32x respectively!
Any one to confirm my experience?
FoxMulder
Suspended due to non-functional email address
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2. March 2003 @ 23:53 _ Link to this message    Send private message to this user   

Burn baby, burn!
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cd-rw.org
Senior Member

4 product reviews
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3. March 2003 @ 13:48 _ Link to this message    Send private message to this user   
Just to clarify things: If someone goes on and reads the 'Saga of black CD-R', keep in mind the the author seems to have quite little idea what he has been writing about.

The old school is back. All hail the new http://BitBurners.com !
 
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