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jiaxi
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Joined: 25 Sep 2012
Posts: 30

PostPosted: Thu Nov 22, 2012 8:39 am    Post subject: which is the default card? Reply with quote

Hi everyone,

there are two cards in my system. we donot modify the alsa.conf file and also donot add any configure file of alsa.

the card1 can output sond when use aplay to paly music.Why?

# cat /proc/asound/cards
0 [ao ]: ao - hiao
hiao
1 [SIO ]: tlv320aic3x - HSI_SIO
HSI_SIO (tlv320aic3x)

# ls -l /etc/asound.con
ls: /etc/asound.con: No such file or directory

# aplay -v 48.wav
Playing WAVE '48.wav' : Signed 16 bit Little Endian, Rate 48000 Hz, Stereo
Plug PCM: Hardware PCM card 1 'HSI_SIO' device 0 subdevice 0
Its setup is:
stream : PLAYBACK
access : RW_INTERLEAVED
format : S16_LE
subformat : STD
channels : 2
rate : 48000
exact rate : 48000 (48000/1)
msbits : 16
buffer_size : 3200
period_size : 400
period_time : 8333
tstamp_mode : NONE
period_step : 1
avail_min : 400
period_event : 0
start_threshold : 3200
stop_threshold : 3200
silence_threshold: 0
silence_size : 0
boundary : 1677721600
appl_ptr : 0
hw_ptr : 0
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aCOSwt
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Joined: 19 Oct 2007
Posts: 2379
Location: Hilbert space

PostPosted: Thu Nov 22, 2012 9:08 am    Post subject: Re: which is the default card? Reply with quote

jiaxi wrote:
there are two cards in my system...
...the card1 can output sond when use aplay to paly music.
# ls -l /etc/asound.con
ls: /etc/asound.con: No such file or directory...
# aplay -v 48.wav

Then if your question is actually "which is the default card", the answer is : card1 !

BTW, pay attention, the file you wanted to list is actually /etc/asound.conf
And... you also want to confirm that it does not get its functionally equivalent in your home directory named .asoundrc

But maybe your question is why is card1 your default sound card ?
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jiaxi
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Joined: 25 Sep 2012
Posts: 30

PostPosted: Thu Nov 22, 2012 10:28 am    Post subject: Re: which is the default card? Reply with quote

aCOSwt wrote:
jiaxi wrote:
there are two cards in my system...
...the card1 can output sond when use aplay to paly music.
# ls -l /etc/asound.con
ls: /etc/asound.con: No such file or directory...
# aplay -v 48.wav

Then if your question is actually "which is the default card", the answer is : card1 !

BTW, pay attention, the file you wanted to list is actually /etc/asound.conf
And... you also want to confirm that it does not get its functionally equivalent in your home directory named .asoundrc

But maybe your question is why is card1 your default sound card ?


# ls -l /etc/asound.conf
ls: /etc/asound.conf: No such file or directory


Yes, i want to know why card1 is my default card.

# ls -l /root/.asoundrc
ls: /root/.asoundrc: No such file or directory

and also i do not modify alsa.conf file.




.
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