Re: [LAU] Sync and digital audio transport

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To: Fons Adriaensen <fons@...>
Cc: <linux-audio-user@...>
Date: Friday, February 1, 2013 - 2:38 pm

Working my way through the AES3 variants (AES3, 10, 11, 47) and came
across this page:
http://www.glensound.co.uk/uat/pdf/atmaes47/atmaes47is.pdf

It is about using AES47 as a method of sending AES3 streams over net.
(simplified definition) Anyway this company make equipment for
sending/receiving audio streams to/from remote sites. At the bottom there
is this statement:

------------------8<-----------------
Inevitably sites are not always locked together. To cope with this our
AES47 equipment incorporates a clever algorithm that is capable of
realising that two clocks are not locked
together and then as necessary to prevent audible jitter the equipment
will drop or repeat samples during periods of silence in the audio or
if not available during periods of consistent
similar frequency and level.
---------------8<--------------------

Is this method of sync common in the professional world? How does it
compare to resampling when the frequencies are very close?

--
Len Ovens
www.OvenWerks.net

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Messages in current thread:
[LAU] Sample rate vs. SNR, Len Ovens, (Wed Jan 23, 2:52 pm)
Re: [LAU] Sample rate vs. SNR, Ralf Mardorf, (Wed Jan 23, 4:43 pm)
Re: [LAU] Sample rate vs. SNR, Joe Hartley, (Wed Jan 23, 8:20 pm)
Re: [LAU] Sample rate vs. SNR, Len Ovens, (Wed Jan 23, 10:10 pm)
Re: [LAU] Sample rate vs. SNR, Florian Faber, (Thu Jan 24, 7:53 am)
Re: [LAU] Sample rate vs. SNR, Len Ovens, (Thu Jan 24, 9:52 pm)
Re: [LAU] Sample rate vs. SNR, Fons Adriaensen, (Fri Jan 25, 1:43 am)
Re: [LAU] Sample rate vs. SNR, Len Ovens, (Fri Jan 25, 2:45 pm)
Re: [LAU] Sample rate vs. SNR, Fons Adriaensen, (Fri Jan 25, 3:21 pm)
Re: [LAU] Sync and digital audio transport, Len Ovens, (Fri Feb 1, 2:38 pm)
Re: [LAU] Sample rate vs. SNR, Ralf Mardorf, (Fri Jan 25, 7:15 pm)
Re: [LAU] Sample rate vs. SNR, Len Ovens, (Sat Jan 26, 2:04 am)
Re: [LAU] Sample rate vs. SNR, Ralf Mardorf, (Sat Jan 26, 9:42 am)
Re: [LAU] Sample rate vs. SNR, Len Ovens, (Sat Jan 26, 3:18 pm)
Re: [LAU] Sample rate vs. SNR, Ralf Mardorf, (Sat Jan 26, 3:26 pm)
Re: [LAU] Sample rate vs. SNR, Len Ovens, (Sat Jan 26, 5:21 pm)
Re: [LAU] Sample rate vs. SNR, Ralf Mardorf, (Fri Jan 25, 2:53 pm)
Re: [LAU] Sample rate vs. SNR, Paul Davis, (Wed Jan 23, 11:13 pm)
Re: [LAU] Sample rate vs. SNR, Charles Z Henry, (Thu Jan 24, 1:14 am)
Re: [LAU] Sample rate vs. SNR, Paul Davis, (Thu Jan 24, 2:31 am)
Re: [LAU] Sample rate vs. SNR, Len Ovens, (Thu Jan 24, 3:48 am)
Re: [LAU] Sample rate vs. SNR, Ralf Mardorf, (Thu Jan 24, 1:32 am)
Re: [LAU] Sample rate vs. SNR, Charles Z Henry, (Wed Jan 23, 10:50 pm)
Re: [LAU] Sample rate vs. SNR, Fons Adriaensen, (Wed Jan 23, 4:17 pm)
Re: [LAU] Sample rate vs. SNR, Len Ovens, (Thu Jan 24, 4:26 am)