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4-50] Audio CDs recorded from MP3s play back fast and high-pitched




Description

This article is from the CD-Recordable FAQ, by Andy McFadden (fadden@fadden.com) with numerous contributions by others.

4-50] Audio CDs recorded from MP3s play back fast and high-pitched

(2002/01/17)

Somebody described this as listening to songs recorded by Alvin and the
Chipmunks. What's happening is the software used to uncompress the MP3
files is doing a poor job, and the uncompressed data is effectively being
recorded at a lower sample rate. When the CD player tries to play it
back at 44.1KHz, it sounds like the artists are inhaling a crude mixture
of amphetamines and helium.

This has been reported with Easy CD Creator v4.05 and v5, NTI CD Maker 2000+,
and something called Orion Liquid Burn.

The work-around is to expand the MP3 files into 44.1KHz 16-bit stereo
PCM WAV files on your hard drive, and record from those instead of from
the MP3s. Use a decoder/player such as WinAmp (http://www.winamp.com/)
or a sound editor to convert the files.


 

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