https://bugzilla.novell.com/show_bug.cgi?id=394318
User joao@fraga.com added comment
https://bugzilla.novell.com/show_bug.cgi?id=394318#c2
Joao Fraga changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEEDINFO |NEW
Info Provider|joao@fraga.com |
--- Comment #2 from Joao Fraga 2008-05-26 14:53:56 MDT ---
Hi Takashi
I am using direct ALSA access.
When I run the command you suggested, a popping noise still occurs right when
the device is opened. If I run that command in sequence with short interval
(like 2 or 3 secs) between runs, I get no popping noise. When the interval is
longer, I get the usual click immediately before the sound is played.
This only happens when on battery. On AC power never happens.
Just in case you find it useful, here's the output of the above aplay command:
Playing WAVE '/usr/share/skype/sounds/SkypeLogin.wav' : Signed 16 bit Little
Endian, Rate 16000 Hz, Mono
Plug PCM: Rate conversion PCM (48000, sformat=S16_LE)
Its setup is:
stream : PLAYBACK
access : RW_INTERLEAVED
format : S16_LE
subformat : STD
channels : 1
rate : 16000
exact rate : 16000 (16000/1)
msbits : 16
buffer_size : 5461
period_size : 1365
period_time : 85333
tstamp_mode : NONE
period_step : 1
avail_min : 1365
start_threshold : 5461
stop_threshold : 5461
silence_threshold: 0
silence_size : 0
boundary : 357892096
Slave: Route conversion PCM (sformat=S16_LE)
Transformation table:
0 <- 0
1 <- 0
Its setup is:
stream : PLAYBACK
access : MMAP_INTERLEAVED
format : S16_LE
subformat : STD
channels : 1
rate : 48000
exact rate : 48000 (48000/1)
msbits : 16
buffer_size : 16384
period_size : 4096
period_time : 85333
tstamp_mode : NONE
period_step : 1
avail_min : 4096
start_threshold : 16384
stop_threshold : 16384
silence_threshold: 0
silence_size : 0
boundary : 1073741824
Slave: Hardware PCM card 0 'HDA Intel' device 0 subdevice 0
Its setup is:
stream : PLAYBACK
access : MMAP_INTERLEAVED
format : S16_LE
subformat : STD
channels : 2
rate : 48000
exact rate : 48000 (48000/1)
msbits : 16
buffer_size : 16384
period_size : 4096
period_time : 85333
tstamp_mode : NONE
period_step : 1
avail_min : 4096
start_threshold : 16384
stop_threshold : 16384
silence_threshold: 0
silence_size : 0
boundary : 1073741824
# + | 13%
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