>loaded with CoolEdit 2000 which has, among other neat features, the
>ability
>to generate a 1000 Hz square wave and save it as a WAV file. Imagine
>this
>file is then recorded (again via digital SPDIF) by the MD and then
>played
>back from the MD into the PC again.
>TO FIND:
>Should the "send" and the "return" .WAV files be identical, since the
>process is digital thoughout? If not, why not?
They will very unlikely be identical. MD uses a lossy data compression
algorithm (ATRAC) to reduce the amount of data that it needs to store on
the disc to around one fifth of what raw PCM would require. The idea of
the algorithm is that, in very crude terms, there's no point recording what
can't be heard; if a gun is shot and a pin drops to the floor
simultaneously there's not a lot of point recording the pin!
If you tried the same experiment with a CD-R or DAT recorder you should
find that the waveforms are identical since these record raw PCM.
Christopher Hicks
-----------------------------------------------------------------
To stop getting this list send a message containing just the word
"unsubscribe" to [EMAIL PROTECTED]
