[arch-general] ~2 sec delay for Sound events in TDE - need help solving

[Calvin Morrison]

On 17 July 2012 19:51, David C. Rankin <drankinatty at suddenlinkmail.com>wrote:

> Guys,
>
>   I have TDE building on fully updated Arch, but I'm trying to track down
> a 1-2
> second delay I'm getting with sound events. This doesn't just affect the
> latest
> TDE, but also began to effect older installs a few months back. I have the
> default sound config presently. I have the following packages installed:
>
> alsa-lib 1.0.25-1
> alsa-plugins 1.0.25-2
> alsa-tools 1.0.25-1
> alsa-utils 1.0.25-3
> alsaplayer 0.99.81-4
> libpulse 2.0-2
> pulseaudio 2.0-2
> pulseaudio-alsa 2-1
>
>   The mixer in TDE uses pulse with only a single record and playback volume
> adjustment. I have experimented with different /etc/asound.conf settings
> and
> differing settings in ~/.pulse (via the alsa, pulse & sound wiki pages),
> but
> have always found that the defaults work just about as good as anything.
>
>   For some unknown reason, I get a slight delay between the triggering of a
> sound event and the actual sound. I understand this is due to different
> software
> wanting to control the hardware at the same time from the thread about
> skype
> audio from last week. What I need to know is whether anyone on the list has
> experienced this scenario before and has perhaps found a solution. I have
> the
> system hardware listed below. Let me know if you have any pointers or
> solutions.
> Thanks.
>
> Sound system hardware:
>
> 14:20 supersff:~> cat /proc/asound/pcm
> 00-00: Intel ICH : Intel ICH6 : playback 1 : capture 1
> 00-01: Intel ICH - MIC ADC : Intel ICH6 - MIC ADC : capture 1
> 00-02: Intel ICH - MIC2 ADC : Intel ICH6 - MIC2 ADC : capture 1
> 00-03: Intel ICH - ADC2 : Intel ICH6 - ADC2 : capture 1
> 00-04: Intel ICH - IEC958 : Intel ICH6 - IEC958 : playback 1
>
> 14:45 supersff:~> aplay -l
> **** List of PLAYBACK Hardware Devices ****
> card 0: ICH6 [Intel ICH6], device 0: Intel ICH [Intel ICH6]
>   Subdevices: 1/1
>   Subdevice #0: subdevice #0
> card 0: ICH6 [Intel ICH6], device 4: Intel ICH - IEC958 [Intel ICH6 -
> IEC958]
>   Subdevices: 1/1
>   Subdevice #0: subdevice #0
>
> 14:46 supersff:~> aplay -L
> null
>     Discard all samples (playback) or generate zero samples (capture)
> pulse
>     PulseAudio Sound Server
> default
>     Default ALSA Output (currently PulseAudio Sound Server)
> sysdefault:CARD=ICH6
>     Intel ICH6, Intel ICH6
>     Default Audio Device
> front:CARD=ICH6,DEV=0
>     Intel ICH6, Intel ICH6
>     Front speakers
> surround40:CARD=ICH6,DEV=0
>     Intel ICH6, Intel ICH6
>     4.0 Surround output to Front and Rear speakers
> surround41:CARD=ICH6,DEV=0
>     Intel ICH6, Intel ICH6
>     4.1 Surround output to Front, Rear and Subwoofer speakers
> surround50:CARD=ICH6,DEV=0
>     Intel ICH6, Intel ICH6
>     5.0 Surround output to Front, Center and Rear speakers
> surround51:CARD=ICH6,DEV=0
>     Intel ICH6, Intel ICH6
>     5.1 Surround output to Front, Center, Rear and Subwoofer speakers
> iec958:CARD=ICH6,DEV=0
>     Intel ICH6, Intel ICH6 - IEC958
>     IEC958 (S/PDIF) Digital Audio Output
>
> --
> David C. Rankin, J.D.,P.E.
>
>

Doesn't Trinity use artsd for it's audio output for events and such? I
would start looking there.

Calvin