[RTTY] Best RTTY Program

[Rick Ruhl]

True Chen, but don't you think we'd have to do a Ring 0 lever driver to get
access to the registers in the sound card?  We could put all the dsp code in
there (in asm) and poof, no latency at all.



-----Original Message-----
From: rtty-bounces at contesting.com [mailto:rtty-bounces at contesting.com] On
Behalf Of Kok Chen
Sent: Tuesday, January 27, 2009 9:10 PM
To: RTTY Mailing List
Subject: Re: [RTTY] Best RTTY Program


On Jan 27, 2009, at 6:34 PM, Rick Mintz wrote:

> My understand of why RITTY has not been ported over to Windows is  
> that going thru the Windows shell (vs. DOS) affected the algorithm  
> efficiency.

Shouldn't be a problem today, where processors are 32 times faster  
than in Brian's days.

In any case, RTTY reception need not be decoded in real time, either.   
Audio buffers are audio buffers and decode algorithms are based on the  
sample number, not on the real time clock.  As long as you are fast  
enough on average, it is fast enough for the demodulator and decoder.

You can get away with the standard Windows sound library and not even  
have to go to ASIO.

73
Chen, W7AY

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