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 Forum index » Advanced Topics » Hardware » Audio
[Request]PC Speaker Audio Driver
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ecomoney


Joined: 25 Nov 2005
Posts: 2183
Location: Lincolnshire, England
PostPosted: Mon 22 Jun 2009, 08:24    Post subject:  [Request]PC Speaker Audio Driver
Subject description: For computers without sound cards		  
http://www.geocities.com/stssppnn/pcsp.html

Sound is very much part of the "online experience" nowadays. Many old computers from offices etc dont have a dedicated sound card. There is however a way of getting mp3's and such to play via the pc speaker...not with great quality so I understand but they play. It would be great as a "last resort".

Apparently the pc speaker driver is included with kernels > 2.6.26, but Im interested n getting it working with the 2.6.18.1 kernel used by 2 series puppies.

Has anyone any experience with this driver, or could create a package for it?
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jamesbond

Joined: 26 Feb 2007
Posts: 1540
Location: The Blue Marble
PostPosted: Mon 22 Jun 2009, 10:19    Post subject:  
Out of curiosioty, I tested this (happen to have have a kernel 2.6.28 thanks to kirk - so module is already compiled in).

Believe me - if you want to listen to mp3, save your ears from high-frequency damage and get a soundcard - any soundcard.

cheers!

EDIT: I tested it on an nForce chipset, which the module author already warns of a very bad output. YMMV.
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ecomoney


Joined: 25 Nov 2005
Posts: 2183
Location: Lincolnshire, England
PostPosted: Mon 22 Jun 2009, 11:30    Post subject:  
I think a lot of the reason would be the extremely small size of the pc speaker, not good for bass response. I have heard you can rig it up to a bigger speaker for better bass.

Another reason I wish to use it is as a notification when a computer setup is complete...the "beep" bash command isnt included in puppy either.
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rcrsn51


Joined: 05 Sep 2006
Posts: 7756
Location: Stratford, Ontario
PostPosted: Mon 22 Jun 2009, 11:43    Post subject:  
To get Puppy to beep, use
Code:
echo -e "\007"
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ecomoney


Joined: 25 Nov 2005
Posts: 2183
Location: Lincolnshire, England
PostPosted: Tue 23 Jun 2009, 08:23    Post subject:  
I think you can probably work out what Im needing the PC speaker for rcrsn51 Wink Smile Thank you yet again for another contribution to this.

There is also the "beep" command, which is currently not installed in Puppy Linux

Like in this tutorial
http://www.developer.com/open/article.php/10930_631191_1

the "beep" package is here, I even had a go at compiling it ( Shocked ) but failed. Crying or Very sad

http://sourceforge.net/projects/freshmeat_beep/
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rcrsn51


Joined: 05 Sep 2006
Posts: 7756
Location: Stratford, Ontario
PostPosted: Tue 23 Jun 2009, 10:07    Post subject:  
Here is a beep PET. Contrary to what the tutorial above says, you need to run the command like this:
Code:
beep -f 880 -l 500  (880 Hz for 500 ms)
beep -f 880 -l 500 -r 3 (repeat three times)
beep -f 880 -l 500 -n -f 440 -l 800 (play two tones)


Then you can start playing around:
Code:
#!/bin/sh
for N in 261.6 293.7 329.6 349.2 392.0 440.0 493.9 523.2; do
  beep -f $N -l 500
done
beep-1.2.2-i486.pet
Description 
pet

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Filename  beep-1.2.2-i486.pet 
Filesize  3.38 KB 
Downloaded  424 Time(s) 
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ecomoney


Joined: 25 Nov 2005
Posts: 2183
Location: Lincolnshire, England
PostPosted: Tue 23 Jun 2009, 11:05    Post subject:  
Code:

beep -f 440 -l  250
beep -f 1     -l  10
beep -f 660 -l  125
beep -f 880 -l 250
beep -f 660 -l 100
beep -f 1     -l  40
beep -f 880 -l 300


Heres the "Puppy Power" beep sequence as a BASH script, from here.. Since its also the bugle call for "advance" it will not be copyright.

Guess we all have our talents Wink

Moving on....a PC speaker driver would still be useful enough to enough people to need it to be available.
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