Re: Loopback latency issue

Maxim Doumkine <[email protected]>
Newsgroups gmane.comp.audio.sox
Message-ID <b8870be5-e817-41f9-b4be-bcfa1e50f959@Spark>
Yes it is an exact clone.
On 10 Jul 2020, 21:09 +0300, Darryl Lewis <[email protected]>, wrote:
>
> Is your virtual machine exactly the same (OS version) as your physical PC?
> It might be a driver issue with different versions.
>
>
> From: Maxim Doumkine <[email protected]>
> Reply to: "[email protected]" <[email protected]>
> Date: Saturday, 11 July 2020 at 3:58 am
> To: "[email protected]" <[email protected]>
> Subject: [SoX-users] Loopback latency issue
>
> Hello everyone,
>
> We are trying to build a Sox based real-time sound altering app, and we’ve got everything working on our LUbuntu 16.04 stations except for an issue w latency.
>
> When we test it on actual hardware, we are having a latency of about 2 seconds, when we test it on our virtual machine the latency is more like 250ms.
>
> sox -t pusleaudio default -t pulseaudio null pitch n
> Whenever we add the null loopback or aloop, we experience a delay. No amount of config tinkering seems to affect this latency on an actual workstation.
>
> We’d appreciate an advice or any input but would be equally glad to hire a consultant for a fee to get this resolved.
>
> Thank you.
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