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qwazix is offline qwazix
2010-06-05 , 17:27
Moderator | Posts: 2,622 | Thanked: 5,447 times | Joined on Jan 2010
#1
I just bought an optoma pico projector to use with my N900. The projector's speakers are a disappointment though, and I want to play audio from the internal N900 speakers. Do you know if this is possible in any way?
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Last edited by qwazix; 2011-08-21 at 10:37.
 
ToJa92's Avatar
ToJa92 is offline ToJa92
2010-06-05 , 17:37
Posts: 1,091 | Thanked: 323 times | Joined on Feb 2010 @ ~
#2
Try connecting only the yellow cable to the projector, not the white and red(which are audio cables).
 
qwazix's Avatar
qwazix is offline qwazix
2010-06-05 , 17:43
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#3
already tried that, no sound at all (I think the N900 sees the connector is plugged in and redirects all sound to the jack)
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Last edited by qwazix; 2011-08-21 at 10:37.
 
qwazix's Avatar
qwazix is offline qwazix
2010-06-05 , 17:58
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#4
If I could play sound on both the N900 and the projector it would be even better...
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Last edited by qwazix; 2011-08-21 at 10:37.
 

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qwazix is offline qwazix
2010-06-20 , 00:35
Moderator | Posts: 2,622 | Thanked: 5,447 times | Joined on Jan 2010
#5
I solved the problem!

Here's a howto:

1. Fire X-terminal
2. type
Code:
alsamixer -c0
3. use the left-right arrows to highlight "HP DAC"
4. set the HP DAC volume to 100 using the up arrow
5. highlight the first 'right DAC' entry (next to DAC-R1)
6. press M to turn it on -- the MM above it should turn to OO
7. repeat steps 5 - 6 for the first 'left DAC'
8. go to the last option 'speaker' and press the up arrow to switch it on.
Now you should hear audio on both speakers and headphones

(you should be able to turn headphones off by reducing their volume or turning the third left DAC and right DAC off, but I didn't try that)

Now I hope someone has the time and skill to make this a status area applet...
Last edited by qwazix; 2012-05-24 at 22:39.
 

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SSLMM is offline SSLMM
2010-06-20 , 00:59
Posts: 123 | Thanked: 56 times | Joined on Jun 2010 @ Portugal
#6
Originally Posted by qwazix View Post
I solved the problem!

Here's a howto:

1. Fire X-terminal
2. type
Code:
alsamixer -c0
3. use the left-right arrows to highlight "HP DAC"
4. set the HP DAC volume to 100 using the up arrow
5. highlight the first 'right DAC' entry (next to DAC-R1)
6. press M to turn it on -- the MM above it should turn to OO
7. repeat steps 5 - 6 for the first 'left DAC'
8. go to the last option 'speaker' and press the up arrow to switch it on.
Now you should hear audio on both speakers and headphones

(you should be able to turn headphones off by reducing their volume or turning the third left DAC and right DAC off, but I didn't try that)

Now I hope someone has the time and skill to make this a status area applet...
Really THANKS for this!

I love the stereo on my N900 but it lacked bass.

On my laptop i use one X-mini II (a mini speaker with an incredible bass and sound) on my MIC connection along with the laptop speakers and that combination of speakers created an very enjoyble sound experience, and i wanted to do the same with my n900 (using my X-mini alongside with the internal speakers), and now i can

I REALLY Apreciated if someone could to an applet with this. I would do it myself but i lack the knowledgment (i know this is a common phrase but it's the truth...)

Once again, thanks to you qwazix and to this amazing comunity!



ps:And sorry for any mispelled word, but my native language isn't english :\
 
arkanoid is offline arkanoid
2010-06-20 , 01:09
Posts: 251 | Thanked: 70 times | Joined on Nov 2009
#7
amixer -c0 cset numid=55 On
amixer -c0 cset numid=61 On
amixer -c0 cset numid=64 On
amixer -c0 cset numid=10 80

also i filled a bug for that:

https://bugs.maemo.org/show_bug.cgi?id=7343

while playing with pico projector as well ;-)
 

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allz is offline allz
2010-06-20 , 04:44
Posts: 48 | Thanked: 5 times | Joined on Apr 2010
#8
how about..

i want to use only red and white jacks connecting to my amp while leaving the yellow away

how can i make it become possible?
 
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qwazix is offline qwazix
2010-06-20 , 16:20
Moderator | Posts: 2,622 | Thanked: 5,447 times | Joined on Jan 2010
#9
There should be no problem with that, it should just work out of the box.
Last edited by qwazix; 2012-05-24 at 22:40.
 
qwazix's Avatar
qwazix is offline qwazix
2010-06-20 , 16:31
Moderator | Posts: 2,622 | Thanked: 5,447 times | Joined on Jan 2010
#10
Originally Posted by arkanoid View Post
amixer -c0 cset numid=55 On
amixer -c0 cset numid=61 On
amixer -c0 cset numid=64 On
amixer -c0 cset numid=10 80

also i filled a bug for that:

https://bugs.maemo.org/show_bug.cgi?id=7343

while playing with pico projector as well ;-)
I managed to make your commands work only when I changed line 3 to
Code:
amixer -c0 cset numid=64 1
maybe it's a PR1.2 change

I made an sh file. Can I package this as an app and publish it to extras-devel?
Last edited by qwazix; 2012-05-24 at 22:39.
 
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