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Topic: Any quality loss decoding MP3 to CD? (Read 6798 times) previous topic - next topic
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Any quality loss decoding MP3 to CD?

Forgive me for my ignorance here...

Is there any perceivable quality difference between an mp3 file (say, Lame extreme compression) and then the same file converted to cda track (ie. expanded 10x) ?

thanks

swayzak

Any quality loss decoding MP3 to CD?

Reply #1
Unless your MP3 playback mechanism or decoder are flawed, no.

Any quality loss decoding MP3 to CD?

Reply #2
Unless your MP3 playback mechanism or decoder are flawed, no.


thankyou

So now I just need to get an mp3 playing car stereo instead having to burn the bloody mp3s to cda cd's..... 

The stereo in my Honda Accord is quite nice though, and is integral to the dash / display unit....just doesn't play mp3 discs 

Any quality loss decoding MP3 to CD?

Reply #3
Edit: ugh, can't read.

Any quality loss decoding MP3 to CD?

Reply #4
On a few problem tracks, sure. On 99.9% of real music? Probably not.

What is your definition of problem track? A broken MP3?
daefeatures.co.uk


Any quality loss decoding MP3 to CD?

Reply #6
Ugh, nevermind what I said, my brain is broken today.

To answer the correct question, no, there shouldn't be any difference at all. You might have slight gaps that weren't there before (depending on what you used to decode the MP3), but that's about it.

 

Any quality loss decoding MP3 to CD?

Reply #7
You might have slight gaps that weren't there before (depending on what you used to decode the MP3), but that's about it.

If you burn with iTunes7 and set the gap between tracks to 0s (default is 2s) it should burn gapless CDAs perfectly

Any quality loss decoding MP3 to CD?

Reply #8
I meant gaps resulting from a decoder that doesn't use the enc_delay and enc_padding flags properly.

Any quality loss decoding MP3 to CD?

Reply #9
What happens if the MP3 file's sample count isn't a multiple of 588? Will there be a gap?
FLAC.

Any quality loss decoding MP3 to CD?

Reply #10
If it supports enc_delay and enc_padding properly (such as foobar2000), there will be no gap. The length should be exactly the same.

Any quality loss decoding MP3 to CD?

Reply #11
But won't there be a gap because CDDA has sectors with 588 samples (1/75 sec)? I don't know if CDDA has a way to specify the exact length …
FLAC.

Any quality loss decoding MP3 to CD?

Reply #12
Not all MP3 files come from CDDA.

Either way, there isn't a "standard" way to store gapless information within MP3 files. However, as Firon said, LAME and compatible decoders can store and use such information. As such, they will store all samples (well, the corresponding psycho-acoustically compressed equivalents!) of the source audio - whether it is from a CD or not.

Anyway, 588 samples is surely not noticable . . . although I'm sure there'll be some exceptional case to prove me wrong.