If "compression" is defined as you did (you defined CD-DA as
"compression"), no digital mobile phone system will exist in the US,
'cause "the FCC does not allow compression or encryption"
Just following some conventions, will ya?
Jiawei Ye
----- Original Message -----
From: Stainless Steel Rat <[EMAIL PROTECTED]>
To: MD-L <[EMAIL PROTECTED]>
Sent: Tuesday, May 02, 2000 9:43 AM
Subject: Re: MD: "compression"
>
> * <[EMAIL PROTECTED]> on Mon, 01 May 2000
> | Actually, you will find that digital cellular systems virtually
> | universally use lossy compression for the voice. GSM for sure does,
and
> | most others I have seen do.
>
> Actually, no, they don't. This comes straight from a guy who co-wrote
the
> Sprint PCS software (he is now my co-sysmonster). The FCC does not
allow
> compression or encryption; all civilian aerial broadcasts must be
clear.
> The lossy compression you describe is achieved by ratcheting back the
> sampling frequency rate to concentrate on the baritone and tennor
ranges,
> ignoring the bass and alto ranges entirely.
>
> It is the same thing CD-DA sampling does.
> --
> Rat <[EMAIL PROTECTED]> \ If Happy Fun Ball begins to smoke,
get
> Minion of Nathan - Nathan says Hi! \ away immediately. Seek shelter
and cover
> PGP Key: at a key server near you! \ head.
> -----------------------------------------------------------------
> To stop getting this list send a message containing just the word
> "unsubscribe" to [EMAIL PROTECTED]
-----------------------------------------------------------------
To stop getting this list send a message containing just the word
"unsubscribe" to [EMAIL PROTECTED]
