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Topic ClosedPreference for listening to music?

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oliverstoned View Drop Down
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Direct Link To This Post Posted: June 01 2005 at 11:13
Originally posted by Certif1ed Certif1ed wrote:

The explanation is in the software.


As goose says, a CD burner puts 1s and 0s onto a CD - it doesn't introduce them or remove them; it CAN'T. Sound data is like any other data; just streams of 1s and 0s. It CANNOT change if it is directly copied, but it can if it is in any way manipulated.


When you burn an audio CD, you rely on a variety of algorithms to convert from one format to another in the burning software (e.g. WAV to CDA). If you do a "straight copy", you are still relying on the software to extract the data and put it back together exactly as it found it - which it might not, depending on the algorithm used.


Although I do not know how every CD burning package performs it's tasks, I have noticed that most seem to create a temporary "spool" file on the hard disk. This suggests to me that it writes the audio data to a proprietary encoded file (changes the data) before encoding it to CDA (changing it again).


A high end burner, in all likelihood, uses either a highly efficient algorithm in it's firmware, or none at all (which is best of all, as it would leave the data fully unchanged). I don't know enough about the mechanics of CD Burners, but I do understand software and data to a reasonable extent!


Plausible?


 


Curiously, the mechanic on high end burners is quite basic, and seems sufficient (why? mysteries of sound!)
Anyway, i repeat it: the gap is huge between an original and a computer-copy.
Nothing to do with placebo!
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Direct Link To This Post Posted: June 01 2005 at 11:50

Originally posted by Certif1ed Certif1ed wrote:

When you burn an audio CD, you rely on a variety of algorithms to convert from one format to another in the burning software (e.g. WAV to CDA). If you do a "straight copy", you are still relying on the software to extract the data and put it back together exactly as it found it - which it might not, depending on the algorithm used.

 


.wav (or .aiff) and .cda are basically the same in that they're both completely uncompressed PCM and so it's very unlikely for any program to produce errors. I'll be bold and say it's very nearly impossible for any software to introduce errors without either informing you or stopping entirely (using .iso format is better still, but it shouldn't make any difference). That's certainly the case for Nero or EAC.

Originally posted by oliverstoned oliverstoned wrote:

Absolutely!
The audiophile burner has its own converter.
In the case of the Pionner shown above, its called "Legato link" and it even "add" informations!
(that's why it sounds softer on playback, even when you play bad mp3 cds, it compensate actually, by recalculating miising info).

As you see,guys, it's not that simple!!

If it adds information, surely it'll sound more different from the original than a direct copy, which doesn't change any information at all? It might sound better, but if that's the case then it's less authentic.

There are only two ways I can see a computer burnt CDR could possibly sound different from a CD, and neither have anything to do with the data that's originally written on the disc:

firstly, because the data is written less "tidily" than on commercial discs - the player might read the information (which is correct on the disc) incorrectly - I imagine Hi-fi would actually be worse at this than a PC based CD drive, because I don't know how well/much buffering a hifi CD player does and thus how much error correction it has to do in real time.

secondly, degradation of the media. CDR is worse for this than any other used format, excluding wear introduced through playback. I don't know myself, but according to tests done and those folk over on www.hydrogenaudio.org the best thing to do is to use Taiyo Yuden discs made in Japan - I don't believe there's any great price difference except compared to the ultra cheap ones, which I would definitely recommend everyone to stay away from except for the shortest term storage, less than a year at the most.



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Direct Link To This Post Posted: June 01 2005 at 12:14
Because at the origin, it is less authentic, cause there are info missing, it is the operation to convert into numeric that simplify the origin analog signal (in the case of analog record -and that's the case for all 70's prog of course- ).
But you're right in a way, the pionner legato link converter is not perfectly neutral (on playback) ...but it sounds softer and less break the ears.
Youhave to be aware that numeric technology is VERY complex, compare to analog (and it works less good).
To make a good converter is very difficult, that's why good cd players are so expensive.
A turntable is "just" very precise mechanic, while a cd has mechanical pb due to very high speed disc rotation+
conversion pb.
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Direct Link To This Post Posted: June 01 2005 at 12:23
"secondly, degradation of the media. CDR is worse for this than any other used format, excluding wear introduced through playback. I don't know myself, but according to tests done and those folk over on www.hydrogenaudio.org the best thing to do is to use Taiyo Yuden discs made in Japan - I don't believe there's any great price difference except compared to the ultra cheap ones, which I would definitely recommend everyone to stay away from except for the shortest term storage, less than a year at the most"

It shows that they lie to people when they said that
the CD is the perfect media for data conservation.

I know "Mitsui" brand which seems among the best for data integrity (especially the "Pro studio gold", but unfortunatly not compatible with audiophile burner!)
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Direct Link To This Post Posted: June 01 2005 at 12:26
Too bad they are not compatible with audiophile burner!!




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Direct Link To This Post Posted: June 01 2005 at 12:50




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Direct Link To This Post Posted: June 01 2005 at 15:01

It looks like you're disagreeing, then agreeing with what I was saying there Goosey!

Data is data is data.

It does not change unless software changes it. It doesn't matter if it's audio, video or whatever.

It's all in the algorithms.

I can see how CD-R might affect it though - as all CD players have their own error-correction algorithms to deal with scratched surfaces, etc. CD-R is made from lower-grade compounds so that consumer burner lasers can cut it. If the burn isn't made correctly - say by a really cheap and nasty component in the burner - then that would cause the copy to sound different on any player.

The answer there, as with audio cassettes, is to choose a quality recoder (e.g. Pioneer) and quality media (e.g. TDK). You can currently pick up a Pioneer DVD-RW burner for under £40. I got mine with 20 complimentary DVD-Rs and a 50-pack of generic CD-Rs (I don't always use my burner for music) 

A decent DVD-player will play CD-Rs (or DVD-Rs) with WAV or even MP3 files on. I have found WAV to be superior to CDA in my DVD player as the player firmware handles that format much better.

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Direct Link To This Post Posted: June 01 2005 at 18:05
I was agreeing with what you said by disagreeing with the minor point about format conversion, if that makes any sense whatsoever.
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Direct Link To This Post Posted: June 02 2005 at 10:15
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Direct Link To This Post Posted: June 02 2005 at 10:46
Originally posted by Certif1ed Certif1ed wrote:

It looks like you're disagreeing, then agreeing with what I was saying there Goosey!

Data is data is data.

It does not change unless software changes it. It doesn't matter if it's audio, video or whatever.

It's all in the algorithms.

I can see how CD-R might affect it though - as all CD players have their own error-correction algorithms to deal with scratched surfaces, etc. CD-R is made from lower-grade compounds so that consumer burner lasers can cut it. If the burn isn't made correctly - say by a really cheap and nasty component in the burner - then that would cause the copy to sound different on any player.

The answer there, as with audio cassettes, is to choose a quality recoder (e.g. Pioneer) and quality media (e.g. TDK). You can currently pick up a Pioneer DVD-RW burner for under £40. I got mine with 20 complimentary DVD-Rs and a 50-pack of generic CD-Rs (I don't always use my burner for music) 

A decent DVD-player will play CD-Rs (or DVD-Rs) with WAV or even MP3 files on. I have found WAV to be superior to CDA in my DVD player as the player firmware handles that format much better.

So basically the only difference between a £20 CDR drive and a £120 one is the quality of the components and firmware?
So the extra cost is for the robustness/reliabilty of the hardware and not for any sonic gains....



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Direct Link To This Post Posted: June 02 2005 at 11:00
I would love to hear an engineers view on this subject. Someone who knows 1st hand how data is both read and written, and what ,if any, manipulation of this data occurs. It is a tough subject to research on. The only factors I have found is the quality of media.

"Why say it cannot be done.....they'd be better doing pop songs?"
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Direct Link To This Post Posted: June 02 2005 at 11:24
Know that many enginners (not all) don't care much about sound "details", especially in the rock field.
For example, they don't care about phase power pb, whereas it's essential, they don't use good cables (in studio, the best they use is "Monster cable" brand, which is really average).
For example, the cables i use are 10X more expensive and much better.
Of course, you have a few exceptions, a few real "sound gods" who know how to make a real good remaster for example, but most sound enginners are jokers (especially in the mainstream/rock field).

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Direct Link To This Post Posted: June 02 2005 at 13:50
Originally posted by Tony R Tony R wrote:

So basically the only difference between a £20 CDR drive and a £120 one is the quality of the components and firmware?
So the extra cost is for the robustness/reliabilty of the hardware and not for any sonic gains....

You can't get a better burn however much you spend, but if you get a cheap drive you run the risk of getting worse burns (misburning etc.), as well as burns which are technically correct and contain all the data but can easily be misread.

In listening terms both of these amount to sonic losses but in data terms only the former is an issue, because in the second case if you rip the problematic disc again onto another disc using a quality media and a quality drive, the copy of the copy will be better than the copy. If you're burning lots of discs an expensive drive is probably still a good idea, because at least that way a year down the line you shouldn't find that half your discs are unreadable (as long as you buy quality discs as well... money, money, money!)

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Direct Link To This Post Posted: June 02 2005 at 13:52

Originally posted by The-Bullet The-Bullet wrote:

I would love to hear an engineers view on this subject. Someone who knows 1st hand how data is both read and written, and what ,if any, manipulation of this data occurs. It is a tough subject to research on. The only factors I have found is the quality of media.

www.hydrogenaudio.org is the place to look for anything related to digital audio. A lot of the people who've coded CD writing stuff check on it.

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Direct Link To This Post Posted: June 06 2005 at 17:11
as long as the tracks are in the same order and overlap as on the CD, i dont care b/w CD and mp3.
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Direct Link To This Post Posted: June 07 2005 at 04:48
MP3 jusst doesn't do it for me. I need to have the cover and preferably a booklet.


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Direct Link To This Post Posted: June 13 2005 at 19:00

I've been building radio stations for over 30 years, and although my forte is rf (dealing with the radio-frequency spectrum), most all of your radio stations in the U.S. are running on computers, live jock or not. Data is data... and no matter how you deliver it, the final sensor (the human ear) is an analog device. The basic music vending package is a standard CD...16 bit...44.1 kHz sampling rate. Assuming the recording and mastering studios did a good job on any given album, the goal is then to deliver the product to the end user with as little deviation from the original recording as possible. That final sensor is subjective, just as musical content is, so it really comes down to whatever "floats your boat." BTW, that final delivery device is analog, too (speakers)!

Professionally, we record the audio onto the hard drives in uncompressed wave format. The advent of larger hard drives several years ago allows us to store massive amounts of uncompressed audio (commercials too!). When this technology first came around (smaller hard drives), we were using a 4:1 storage compression for the music. The only real difference in the computers was multiple, high-end, pro sound cards (for overlap capability)...and now most of the popular systems use the multi i/o cards. After we go through all of that painstaking effort to insure audio integrity, we then thoroughly screw it up by running it through audio processors to make sure "we're the loudest on the dial"!

Personally, I can't tell much difference between a standard CD and a 160kbs mp3. I have noticed some differences over the years in the CD version and the vinyl version of the same stuff. Listen to the bass pedals on Firth of Fifth on CD then vinyl! My audio chain is as follows: source, passive variable attenuator, self-built, tube-type power amp, Klipschorns.

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Direct Link To This Post Posted: June 14 2005 at 05:16
I'm not much surprised, they degrad the sound at the very beggining by compressing it at the "source".
What a shame!
"'Personally, I can't tell much difference between a standard CD and a 160kbs mp3"
your system is not good enough!!
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Direct Link To This Post Posted: June 15 2005 at 10:21

Originally posted by oliverstoned oliverstoned wrote:

I'm not much surprised, they degrad the sound at the very beggining by compressing it at the "source".
What a shame!
"'Personally, I can't tell much difference between a standard CD and a 160kbs mp3"
your system is not good enough!!

Dude...don't ever tell an electronics engineer his stuff isn't good enough...I've forgotten more of this stuff than you'll ever know...I'll put my power amp up against anything out there, and I built it myself...don't be an "equipment snob"

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Direct Link To This Post Posted: June 15 2005 at 10:51
Let me laugh!
your amp is probably better than my Jolida, eh?
Tell me about your whole system? cables, vib cancellers, power?
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