Re: [LAU] Best practices when using jackd over a LAN.

From: David Woodfall <dave@email-addr-hidden>
Date: Wed Nov 01 2017 - 21:22:11 EET

>On Tue, 31 Oct 2017, David Woodfall wrote:
>
>>I have been using jackd to play music from my laptop -> server -> hifi.
>
>Have you also tried zita-njbridge?
>
>It has been some time since I tried netjack (or zita-njbridge). At
>least one machine upgrade...
>
>Also, you may want to look into open AVB which has jack to jack
>capability and with the right nic will allow your audio stream to have
>priority over other network traffic. But it is more to set up.
>
>In any case, if there is more than one audio card some resampling will
>have to happen (even with AVB with most consumer AIs). In the case
>above, your hifi will have to be master I am not sure in that case why
>there would be a server in the middle, but it looks like you have the
>server getting it's sync from the hifi and then the laptop gets it's
>sync from that? Is the network used for other things besides sound? Is
>audio traffic prioritized? In all machines? In any switches?
>
>Looking into AVB and or AES67 and the requirements for no dropout
>sound may be helpful. Netjack is designed for single hop, no other
>network traffic, no switch, audio transport. zita-njbridge is designed
>to handle switches and some other traffic a bit better. The standard
>streamers like icecast, etc. use long latency end to end (500ms or
>more) to avoid dropouts.
>
>So in the end you have to choose your own priorities in sound quality
>and latency as well as how much money you want to spend and how much
>time setting it up.
>
>--
>Len Ovens
>www.ovenwerks.net

Thanks. I'll look into those. It is a single hop (well two if you
include the router itself). I have never setup any sort of priorities
for traffic. My router has some control over traffic priority, but
only for wireless it seems.

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Received on Thu Nov 2 00:15:02 2017

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