[pulseaudio-discuss] Orca, Speech-dispatcher and power management (fwd)
jdashiel at panix.com
Sat Jan 6 15:39:26 UTC 2018
---------- 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> 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
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
But if it's really true that dormant streams don't hurt, this probably
doesn't negatively impact things.
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