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talkMAEMOnik is offline talkMAEMOnik
04-03-2011 , 09:34 AM
Posts: 21 | Thanked: 2 times | Joined on Jan 2010 @ Russia
#1
Is there any app for using "N900 as microfone" for external devices (PC in my case)?

I have the special wire (mini-jack 3,5 to mini-jack 3,5) so it is easy to stream sound (music etc.) from N900 to PC, but I don't know how to activate the N900's built in microphone and transport it's sound too
Last edited by talkMAEMOnik; 04-03-2011 at 02:13 PM.
 
uvatbc is offline uvatbc
04-03-2011 , 01:06 PM
Posts: 938 | Thanked: 628 times | Joined on Mar 2008 @ SF Bay Area
#2
I have done something like this between my laptop and desktop using pulseaudio.
Pulseaudio can act in a client server model over your network to send sound to another pulseaudio device.
I haven't tried this with the n900, though.
Here is something to start with.
And this is the Google search request that got me that link.
 
talkMAEMOnik is offline talkMAEMOnik
04-03-2011 , 02:02 PM
Posts: 21 | Thanked: 2 times | Joined on Jan 2010 @ Russia
#3
uvatbc,
There is the app for streaming audio/video to network - Phonestream.
But also "Todo list:
*Add microphone support for use as main remote desktop mic. ..."

So I still don't know the way to make N900's microfone streaming to mini-jack 3,5.
Last edited by talkMAEMOnik; 04-03-2011 at 02:19 PM.
 
uvatbc is offline uvatbc
04-03-2011 , 02:10 PM
Posts: 938 | Thanked: 628 times | Joined on Mar 2008 @ SF Bay Area
#4
Originally Posted by talkMAEMOnik View Post
uvatbc,
There are the app for streaming audio/video to network - Phonestream.
But also "Todo list:
*Add microphone support for use as main remote desktop mic. ..."

So I still don't know the way to make N900's microfone streaming to mini-jack 3,5.
Oh you specifically want to use the hardware jack to output. Sorry that's out of my league.
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vanous is offline vanous
04-03-2011 , 03:14 PM
Posts: 36 | Thanked: 19 times | Joined on Feb 2011
#5
here is what i do from my linux box:

ssh root@ip_of_my_n900 arecord | aplay
 

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MiK546 is offline MiK546
04-03-2011 , 03:37 PM
Posts: 458 | Thanked: 271 times | Joined on Mar 2010 @ Finland
#6
Take a look at this guide, it might have a answer for you:
talk.maemo.org/showpost.php?p=865794&postcount=19.
 

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mr id is offline mr id
04-03-2011 , 03:38 PM
Posts: 237 | Thanked: 188 times | Joined on Feb 2010 @ Brighton, UK
#7
Originally Posted by vanous View Post
here is what i do from my linux box:

ssh root@ip_of_my_n900 arecord | aplay
If you have gst-launch installed on the n900 (in the gstreamer-tools package), once you've ssh'ed in you can:

Code:
gst-launch autoaudiosrc ! autoaudiosink
will send the input (mic) to the output (speakers or line out).

you can make far more complex pipelines than this but this should provide a proof of concept for you.
 

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talkMAEMOnik is offline talkMAEMOnik
04-03-2011 , 03:44 PM
Posts: 21 | Thanked: 2 times | Joined on Jan 2010 @ Russia
#8
Originally Posted by vanous View Post
here is what i do from my linux box:

ssh root@ip_of_my_n900 arecord | aplay
That's what I was looking for. It's much simpler than I thought.

I have tiped in Xterminal of N900:
sudo arecord | aplay

then it works as i expected for (N900's mini-jack 3,5 to PC's mini-jack 3,5 = PC with microfone)

But, does it waste the space of internal memory of N900 and should i delete recorded file\files from there after?
Last edited by talkMAEMOnik; 04-07-2011 at 05:03 AM.
 
vanous is offline vanous
04-03-2011 , 03:53 PM
Posts: 36 | Thanked: 19 times | Joined on Feb 2011
#9
it doesn't store any files...it simply plays it... so no worries
 

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talkMAEMOnik is offline talkMAEMOnik
04-03-2011 , 04:00 PM
Posts: 21 | Thanked: 2 times | Joined on Jan 2010 @ Russia
#10
Originally Posted by mr id View Post
If you have gst-launch installed on the n900 (in the gstreamer-tools package), once you've ssh'ed in you can:

Code:
gst-launch autoaudiosrc ! autoaudiosink
will send the input (mic) to the output (speakers or line out).

you can make far more complex pipelines than this but this should provide a proof of concept for you.
Your way brings more pure sound, and i like it. Vanous's method makes sound with some kind of background noise and delay is big.
Last edited by talkMAEMOnik; 04-09-2011 at 03:06 PM.
 
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