-=> Quoting Walter Co to Richard Town <=-
 WC> Can you further explain the svd? I mean how can you transfer
 WC> waveform?
The voice part is digitised too
 WC> I can understand the concept of the dsvd modems but the
 WC> problem is how do you "invoke" it? AT Commands or by using another
 WC> software? TIA!
Simultaneous Voice (over) and Data does reduce the line bit rate
to a max of 21k6 when in operation.  Other systems, such a Radice's
VoiceView, stops data transfer whilst the voice packet is transmitted.
DSVD is only available to the same remote which must also have a
DigiTalk (tm) compatible modem and enabling software
Rockwell's DigiTalk is the recommended default speech compression
algorithm for DSVD (specification 1.2), as defined by an early adopter
Special Interest Group (SIG) which included Intel Corporation,
Creative Labs, Hayes Microcomputer, Rockwell and U.S. Robotics.
The DSVD specification is available on CompuServe, under "Go IntelA."
Technical specifications and C language source code of
DigiTalk can be downloaded from Rockwell's World Wide Web Site at
http://www.nb.rockwell.com/ref/digitalk/
rgdZ
Richard
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