Microphone problem only on Speaker

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hello!
i have a motorola milestone with android version 2.2.1, firmware config. vers. GAS_ASIA_USAMS1FRYORTSEA_P013.
the problem is that, during a call, when i switch to speaker the microphone almost is not working. the other person hears me only when i shout into the phone.

!edit!

also the microphone doesn't work when i record video. on the video recording it hears only background noise.
i tried to record video with the hands-free ser and its the same problem.

could anyone help me?
Thanks!

anyone?

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anyone?

I have quite similar problem but with milestone2. It doesn't work in normal phone call, but works on camera Maybe it's some software problem like that one: http://forum.xda-developers.com/show....php?t=1690817 I will try it today

So after studying my Milestone 2 a lot (flashing it thousand times, bricking, unbricking, disassemblying and assemblying with some strange parts of other phones ) I have an idea about your phone.
There are two micriphones in Milestone (both - 1 and 2, Droid as well). One in the lower part (the one which you use when you are talking to somebody in phone mode) and second in the upper part (in the middle, right to the camera lens). First is used in normal phone mode, speaker mode and camera.
Second only (not sure) in speaker and camera mode. When you turn phone to speaker mode, upper mic becomes the main one, and the lower one is just catching the background noise (still not sure maybe the lower one is the main, and the upper one i canceling the background noise, but it's unlikely - will figure it out, when they will ship me a new lower mic ). The same issue is with camera mode. Both microphones are working, but (now for sure) upper one is the main one.

So.... maybe you have broken upper microphone?

microphone

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interesting stuff!
i don't know if it's broken. i bought it like that.

you say that 2nd mic is right of the lens. but the only other hole in the phone is up, near the audio jack. see the picture

Yes, that's the place. I wasn't sure how to describe that place

i just tried a sound recorder app and it records very good, so this app is using the main mic.

could be a way to make a software change in the OS to use the main mic also in speaker mode, or cam ?

maybe the problem will be that the mic is too close to the speaker, but anyway would be good to try.

anyone??????