http://brainstorm.ubuntu.com/item/129/
[2291 votes] Solution #1: Auto-generated solution of idea #129


]]> en-us Thu, 28 Feb 2008 18:37:27 +0000 Mon, 20 Apr 2009 21:31:54 +0000 QAPoll module http://brainstorm.ubuntu.com/idea/129/ Thu, 28 Feb 2008 20:12:43 +0000 Thu, 28 Feb 2008 21:16:57 +0000 Fri, 29 Feb 2008 00:05:31 +0000 ]]> Fri, 29 Feb 2008 00:47:05 +0000 Fri, 29 Feb 2008 03:30:00 +0000 Fri, 29 Feb 2008 10:11:10 +0000 Fri, 29 Feb 2008 16:55:23 +0000 Fri, 29 Feb 2008 19:34:28 +0000 Fri, 29 Feb 2008 21:22:02 +0000 Sat, 01 Mar 2008 18:41:46 +0000 Sun, 02 Mar 2008 10:53:35 +0000 Mon, 03 Mar 2008 07:45:06 +0000
.asoundrc allows so many options that it should be any Hifi-enthusiast's dream with features like

up-/resampling
routing
LADSPA plugins
the ability to integrate a multichannel crossover

Also it would be really cool if a method of encoding all 6 surround channels to AC3/DTS in real time could be implemented. This way it's super-easy to hook up your AV receiver.]]> Mon, 03 Mar 2008 14:27:21 +0000 Mon, 03 Mar 2008 21:31:30 +0000 Sat, 08 Mar 2008 16:53:53 +0000
As a user who wants games and voip in his headset, and music and video over S/PDIF, with possible other settings in mind (e.g. 5.1 discrete channels over S/PDIF, channels 6 and 7 over analogue to separate amp) I have often had an interesting time of it trying to get everything to play nicely.

Also thanks to the guys making pulseaudio work, as this is already becoming much easier!]]> Thu, 13 Mar 2008 11:35:59 +0000 My SB Live 24-bit is still a big problem(on two different pc configurations!)]]> Thu, 13 Mar 2008 23:06:30 +0000
ALSA dmix & dsnoop (->asym) aren't going to work for all apps. Neither will OSS emulation. PulseAudio is a step in the right direction but cannot account for closed-source headaches (a certain web browser plugin, cough).

What am I implying? An existing (but utterly infeasible for Hardy) workaround is OSSv4.x. Layer JACK and PA on top of it.

Slightly less politically charged and more focused on ALSA would be to move the current alsa-lib dmix & dsnoop (->asym) into kernel-space (well, ok, so it would still be politically charged - just hopefully moreso from an architecture POV). Subject OSS emulation to this layer. Then we wouldn't care if a native ALSA app requested hw:, plughw:, or dmix:/dsnoop:/asym: - or if an OSS app open()/read()/write(). Yes, this changes the semantics; people would complain bitterly.

Yes, I'm glossing over a /lot/. That's not the point. There are /many/ hacks in place now. If "working out of the box - or easily made so" is the mantra, we need to walk the walk instead of arguing about talking the talk.]]> Sun, 16 Mar 2008 04:34:31 +0000 For example to enhance sound manually...]]> Wed, 26 Mar 2008 15:00:20 +0000
I agree that the best solution seems to be pointing to pulseaudio sitting on the ALSA and OSS drivers. Pulseaudio also seems to have the best implementation for interfacing non-jack applications to jack while jack seems to have the better hardware control via the low level drivers.

The problem is boiling down to interfacing the low level ALSA and OSS drivers with something that will make it all work.

It seems we need a merger of jack and pulseaudio. As low latency control layers they seem to complement each other very well. Each provides services that the other does not and each does what is does do very well.

The only real problem left seems to be in how the hardware resources are presented to them to use. Currently, there is no way for an application to parse a driver between the multiple devices present on a sound card. This is a driver issue. Current drivers are incapable of accurately presenting the capabilities of sound cards to sound managers like jack and pulseaudio.

Until this is fixed, meaningful advances in sound management will not move forward.

]]> Thu, 11 Sep 2008 03:06:15 +0000 Thu, 11 Sep 2008 14:17:50 +0000 Sun, 21 Sep 2008 21:47:10 +0000 You can configure that in "/etc/pulse/daemon.conf" and change "default-sample-channels" from 2 to 6.
This would be nice with switch in gui.

BTW: I love PulseAudio. (...and ubuntu too :) )]]> Fri, 10 Oct 2008 11:11:59 +0000
The default configuration should also include working sound recording.

Giving the user choice between ALSA, Intel, ... and other words that mean nothing to the user doesn't help.]]> Thu, 20 Nov 2008 17:20:13 +0000
Nothing more to say about it:
http://brainstorm.ubuntu.com/idea/12887/
http://brainstorm.ubuntu.com/idea/15908/
http://brainstorm.ubuntu.com/idea/2078/]]> Thu, 27 Nov 2008 13:06:44 +0000
Which application would be responsible for this kind of thing? PulseAudio providing a simple programing interface for applications and applets, alsa drivers, or should the volume control applet intelligently juggle the 18 mixers on my regular HDA audio chipset?

There is a similar idea somewhere regarding linux sound architecture which probably has a lot to do with getting this all working.
]]> Sun, 28 Dec 2008 20:55:15 +0000
If I select 5.1 surround sound. Then all stereo should be upmixed to 5.1 and 7.1 downmixed to 5.1

This can be a toggle option as not everyone likes surround sound for stereo.

There would also need to be an option (slider maybe) for the limit of low frequencies to send to the sub-woofer during up mixing from 2.0 or mono.]]> Tue, 30 Dec 2008 13:48:56 +0000 Thu, 05 Feb 2009 21:40:55 +0000