2010/4/17 Colin Guthrie <gmane@xxxxxxxxxxxxxx> > 'Twas brillig, and Raymond Yau at 16/04/10 14:48 did gyre and gimble: > > 2010/4/3 Colin Guthrie <gmane@xxxxxxxxxxxxxx> > > Sorry for the top post but.... > > Raymond. Your replies are often very disjoint. I see no relevance to my > message here and why you're replying here is beyond me. > > It's totally unclear what point you are making and which parts of this > message are your comments and which are Lennart's original comments > that's you've just pasted in. > > What are you trying to say? > > Col > http://pulseaudio.org/ticket/580 >> Basically, if the signal is completely cut off, then the attenuation is -inf dB. you have to sum the dB gain of the SPL of the speaker/headphone when you want to calculate the dB ( sound pressure and the distance ) >> FWIW, I've got the same/similar h/w with a cutoff at 14% in PA as you have. I've been meaning to get this fixed for a while, but I'm incredibly lazy with certain things that don't bother me practically, so haven't followed it up yet. >> If any specific debug is needed here, feel free to ask. Just reply since you still have similar problem , but it seem that you are unwilling to provide info to debug your case , at least you have to provide output of alsa-info.sh even when you have the same/similar h/w , do your laptop has the volume knob ? https://tango.0pointer.de/pipermail/pulseaudio-discuss/2009-May/003898.html If pulseaudio provide per-application volume control, why the PA community propose to throw away the volume slider of the application. (i.e. why only allow pavucontrol to change the per-application volume ? http://thread.gmane.org/gmane.comp.audio.pulseaudio.general/6521/focus=6524 >> Making the application volume sliders control the device volume isn't good either, because if an application has a volume slider, the natural assumption made by users is that the slider controls only that application's volume. >> Solution: throw away volume sliders in applications, and promote centralized volume management with volume applets and hardware controls. I suggest PA should provide the pre-application volume control for the application too since from the viewpoint of PA when PA have to control all the volume , it is better not allow application to control alsa master volume control. but there is no reason to remove the volume sliders in application http://git.alsa-project.org/?p=alsa-tools.git;a=blob_plain;f=*hwmixvolume*/README <http://git.alsa-project.org/?p=alsa-tools.git;a=blob_plain;f=hwmixvolume/README> The per-application volume control is quite similar to the per voice volume control of those hardware mixing sound cards , although there are some differences the per voice volume control of hardware mixing sound card provide digital gain/atten by the DSP ( not those gain/atten of DAC ) http://thread.gmane.org/gmane.linux.alsa.devel/24638/focus=24707 _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
