I never said that my statement being discussed "I will have to admit that mp3 murders music" was in need of correction at this time and you are in fact correct in that I never changed my story.
You are correct Just for the sake of argument in that I never said I was totally convinced otherwise from what I stated originally. I did say in a later post that I am at least willing to learn more about lossy compression and re visit my admittedly limited knowledge of the subject and with further evaluation possibly my opinion would change at least for high bit rate (if you want to call it that ) mp3 playback in some situations.
Never did I say that my opinion right or (wrong as some have stated) has already changed it has not only that it may. . In any event you are correct on both counts in that I haven't changed my story but I have changed my tone.
FWIW I read this at wiki audacity team.org regarding Mp3
In addition to the degrading of sound quality, MP3 files also have a short silence at the beginning
. This is not a bug in Audacity or in Lame but is a limitation of the MP3 format. If this is an important issue (for example when making audio loops) you will need to use a format that does not have this limitation, such as WAV, Flac or Ogg. http://wiki.audacityteam.org/wiki/MP3
In all fairness as you stated mostly correct earlier about mp3 as I understand it presently , I found this at wiki.audacityteam.org also.
MP3 is a size-compressed, lossy audio format. This means that it uses less disc space to store audio than uncompressed formats like WAV, but loses some of the original sound quality in doing so
. To reduce the quality loss, the audio removed is mainly outside the adult range of hearing, and the artefacts it introduces are chosen so they are largely masked by louder or more prominent sounds. The actual quality achieved depends on the bit rate you encode at, higher bit rates giving better quality but resulting in larger files.
Other compressed lossy formats exist that work in a broadly similar way, such as MP2 and the more modern and arguably superior OGG and M4A formats. http://wiki.audacityteam.org/wiki/MP3
As I presently understand it OTOH with lossless digital file conversion sound quality should at least remain perfect to the original source file without degradation no matter how many times it is looped between lossless file formats especially if the codecs allow error checking .
Additionally the statement from wiki audacity team.org was speaking of mp3 use in general and not limiting it only to the scenario (or example if you will ) that they outlined.
Keeping in mind that Lame is widely recognized as a preeminent mp3 encoder/file converter I would interpret this to be a caution with regards to mp3 in general being faithful in sound quality to the original file and more specifically not limited in their own words to Audacity or Lame or only when making audio loops .
Not being an expert or formally educated in the subject at hand as I understand it I can transcode and loop a file from lets say .flac to .wave and back and forth or using any number of lossless formats without degradation or loss o of the original sound quality. As I understand it that is not possible with mp3. On the surface at least that would in fact seem to re enforce my original argument at least in part to this point.
Further with that in mind as I presently understand the above the lossy characteristics of mp3 may severely may limit the value of mp3 format as an archive file format if one is trying to remain faithful to the original production.
That is all the more reason for me to retain a lossless copy faithful to the original and only copy lossless to mp3 on the fly if you will for mobile or limited storage devices for personal use.
All of my original files created and produced here in lossless formats for commercial redistribution are archived in lossless formats in order to remain faithful to the original production some are copied to mp3 or AAC for commercial distribution as needed and also are distributed in lossles as well specifically CD's .
Obviously this does not apply to everyone in simple typical playback usage as mp3 and more recently AAC both are as you know widely used .
I prefer to purchase original lossless physical commercial media (CD or SACD) or high resolution lossless downloads for personal use and store and use it as is .
Ofc I am not and expert on the subject of mp3 all I can say is at this moment I see no reason to change my opinion At least specifically but not limited to archiving and playback of music files .