[pulseaudio-discuss] Orca, Speech-dispatcher and power management (fwd)

[Jude DaShiell]

-- 


---------- Forwarded message ----------
Date: Sat, 6 Jan 2018 07:36:25
From: Sam Hartman <hartmans at debian.org>
To: debian-accessibility at lists.debian.org
Cc: pulseaudio at packages.debian.org
Subject: Re: Orca, Speech-dispatcher and power management
Resent-Date: Sat,  6 Jan 2018 12:36:45 +0000 (UTC)
Resent-From: debian-accessibility at lists.debian.org

>>>>> "Samuel" == Samuel Thibault <sthibault at debian.org> writes:

     Samuel> Hello,
     Samuel> Sam Hartman, on sam. 06 janv. 2018 06:09:44 -0500, wrote:
     >> * Will limiting the number of streams speech-dispatcher opens
     >> have any significant improvement.  Are there actual costs to
     >> having the sd_generic and sd_dummy streams open even when they
     >> are unneeded?

     Samuel> I don't think there is: they remain dormant.

So, this is more of a Pulse question.
We know even dormant streams are sufficient to keep the audio card from
suspending.
I don't know if dormant streams have mixing overhead or impact the
volume algorithms being used.

     >> * Would it be worth the complexity to close the speech dispatcher
     >> streams after a period of inactivity?

     Samuel> That could be useful indeed. I suggest reporting a feature
     Samuel> request on the github speechd repository, so people can
     Samuel> contribute code to implement it (Debian by itself should not
     Samuel> integrate such a patch without it being upstream).

So, I'm happy to implement if it's going to make a significant
difference.
But if it's really true that dormant streams don't hurt, this probably
doesn't negatively impact things.