Hi!
Please, help to resolve the issue.
Up to date Arch Linux is in use.
Skype 4.3 is announced to support pulseaudio only (alsa support is removed).
To prepare to upcoming upgrade I have played with pulse + skype. To keep all
alsa setup (I have three cards) I have just assigned two alsa devices (dmix
and dsnoop) to pulse's sink and source
load-module module-alsa-sink device=iceDmixer
load-module module-alsa-source device=iceDsnoop
All does work as expected except for big sound delay (my side) against
video resulting also in unacceptable echo (my respondent's side). I
guess the delay is too large to be processed by skype echo cancelation.
I'm aware of delay defined in skype .desktop file, but delay duration
is hundreds ms (I guess ~500ms) rather 60ms.
It is a list of sinks at the moment of test skype call:
~ $ pacmd list-sink-inputs
2 sink input(s) available.
index: 0
driver: <module-combine-sink.c>
flags: VARIABLE_RATE DONT_MOVE NO_CREATE_SUSPEND
state: RUNNING
sink: 0 <alsa_output.dmix>
volume: front-left: 65536 / 100% / 0.00 dB, front-right: 65536 / 100%
/ 0.00 dB
balance 0.00
muted: no
current latency: 0.00 ms
requested latency: 200.00 ms
sample spec: s16le 2ch 44100Hz
channel map: front-left,front-right
Stereo
resample method: trivial
module: 11
properties:
media.name = "Simultaneous output on VT1720/24 [Envy24PT/HT]
PCI Multi-Channel Audio Controller (Aureon 7.1 Space)"
media.role = "filter"
module-stream-restore.id = "sink-input-by-media-role:filter"
index: 3
driver: <protocol-native.c>
flags: START_CORKED
state: RUNNING
sink: 1 <combined>
volume: front-left: 65536 / 100% / 0.00 dB, front-right: 65536 / 100%
/ 0.00 dB
balance 0.00
muted: no
current latency: 217.88 ms
requested latency: 200.00 ms
sample spec: s16le 2ch 48000Hz
channel map: front-left,front-right
Stereo
resample method: speex-float-1
module: 8
client: 10 <Skype>
properties:
window.icon_name = "skype"
application.icon_name = "skype"
media.role = "phone"
media.name = "Output"
application.name = "Skype"
native-protocol.peer = "UNIX socket client"
native-protocol.version = "29"
application.process.id = "2139"
application.process.user = "anli"
application.process.host = "jazz"
application.process.binary = "skype"
application.language = "en_US.UTF-8"
window.x11.display = ":0"
application.process.machine_id =
"07c622b729d500bbcb3a0c8d00000427"
application.process.session_id = "c1"
module-stream-restore.id = "sink-input-by-media-role:phone"
a
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