[Elecraft] K3 Digital audio out ?

Jim Brown jim at audiosystemsgroup.com
Fri Sep 5 09:42:28 EDT 2008


On Fri, 5 Sep 2008 02:48:08 -0700 (PDT), DH2SE wrote:

>I'm not happy to digitalize the analog line out audio
>signal external into a PCM stream by using e.g. a microcontroller because of
>the additional signal propagation delay of the ADC conversion. 

I don't understand your concerns. I work in pro audio, where latency (what audio 
people and broadcasters call propagation delay) is a VERY big deal for us. 
Latency of 10 msec can be too much in many sound systems. 

There are MANY products that will do an A/D and D/A conversion in a total of 2.4 
msec. The MAJOR source of latency for remote control is the internet (or 
telephone system) path between the remote site and the control point, which can 
be several hundreds of msec. 

73,

Jim Brown K9YC





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