rusdi
American V
Premium,MVM
join:2001-04-28
Flippin, AR
clubs:
| reply to jlanci
Re: Upconverting AAC files
Don't think anything can be done to enhance the quality of the original encoding, regardless of the final out-put rendering.
MP3, AAC is...what it is. A "compressed" data stream. Not unlike compressing video.
ANY TIME an original digital capture is "compressed", audio, or video, it loses some quality.
Sometimes it's clearly audible, sometimes only by the most discernible audiophiles. 
The more "Bitrate" you start out with, the better the sound/video quality. This is an unavoidable truth.
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jlanci
join:2005-08-30
Staten Island, NY | Ok, so are you then saying that you cannot re-encode at a higher bitrate? It seems odd to me that you can always compress but you can't go the opposite way. It's like once you compress you're stuck. |
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rusdi
American V
Premium,MVM
join:2001-04-28
Flippin, AR
clubs:
| said by jlanci  :It's like once you compress you're stuck. PREZACTALLY! 
Once the compression is done. You can never recover the final rendition to its original pristine sound.
Hate to be the "bearer of sad news", but you just described the situation perfectly.
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jlanci
join:2005-08-30
Staten Island, NY
| So then in theory you could never go higher than CD quality audio which is what 128kbps wav format... i think??
So for example you cannot rip a CD at 256kbps and hear any difference because the source is still encoded at 128kbps?
Am I correct or is there a way to repair the damage done during compression and guess at the missing information to bring it back up to full quality. I know this can be done with photos. |
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rusdi
American V
Premium,MVM
join:2001-04-28
Flippin, AR
clubs:
| said by jlanci :So then in theory you could never go higher than CD quality audio which is what 128kbps wav format... i think?? So for example you cannot rip a CD at 256kbps and hear any difference because the source is still encoded at 128kbps? No "theory". That's exactly right!
You can re-encode a 128 bitrate tune @ a higher encoded bitrate, however it can't be higher quality sound, than the original 128 bitrate sound...you do in fact understand.
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