How can one tell that FLAC or WAVPACK audio file is NOT originally encoded from a Lossy source?

Posted by cornel on Super User See other posts from Super User or by cornel
Published on 2010-04-30T19:40:02Z Indexed on 2010/04/30 19:48 UTC
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flac

Hi everyone,

Forgive me for my ignorance,firstly.

Problem: Say I have a lossy mp3 audio file(5.17Mb ie. 87% compressed from its original souce-unknown), I then encode it to another LOSSLESS format, say FLAC or WAVPACK.

The size increases(23.14Mb ie. 39% compressed from its original souce-mp3)! ID tags, etc remain the same and there's no way of checking the integrity of its origin.

Question: Is there a way of checking that the so-called FLAC or WAVPACK audio file was originally encoded from a LOSSLESS source(wav,cda,ape,...etc) instead of a LOSSY source(mp3,aac,ATRAC,..etc)

Thank you.

Best regards, L-I-C(Lost In Compression)

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