If anyone is interested, you can compare the sound quality of a high
bitrate and a low bitrate music mp3 at a web site for which I serve as
web dunce.
The web address is: http://www.capitalwinds.org/music.html All music
was recorded live and rendered to a CD before encoding as an mp3. The
mp3s are all variable bit rates.
The high quality mp3 for "Panis Angelicus" was encoded at 256 kb/sec
target, the "dial-up" at 96 kb/sec.
The high quality mp3 for "Academic Festival Overture" was encoded at 224
kb/sec, the "dial-up" at 64 kb/sec.
There is some popping sounds on the computer when playing the files from
the web site; these sounds are not there on the original mp3s when
played on my computer using WinAmp. I don't know why this should be.
Robert wrote:
Finally, I would make mp3 files using an mp3 converter based upon
Lame. I use Razorlame, which is free. For a medium-quality playback
device like an iPod, I would use a variable bit rate with a center of
192 kb/sec., joint stereo mode (unless source is mono), and a roll-off
filter set at 17.5 kHz. I would avoid the 128 kb/sec. bitrate which
is often recommended as being good-enough quality.
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