"Dave Plowman (News)" wrote in message
...

Anything digital is always behind real time. Due to the way it is sampled.

You won't find much delay in the telephone network due to sampling.

You get delays when its being encoded and/or compressed like on mobile
phones or VoIP.

The telephone system uses a straight 8KHz sample rate with no additional
delays due to correction or compression.

Even digital microphones, compared to analogue ones. Which makes it
impossible to use a mix of the two. Hence there are very few around - the
exception being some radio mics.

And any processing after that initial sampling may slow things down
further.

The thing that will slow it down is bitstream D/A convertors if someone uses
them because they are cheaper than the alternative ladder convertors. But
only by a few milliseconds.