inbuilt microphone not working.

Question

I was using my dell 500m laptop.I used my laptop to recoed some specah recognistion some time back. this is inbuilt mic was used for this. but now inbuilt microphone for chatting is not working.

I checked volune control and sound and audio control panel.

I have inbuilt sigmatel device.

can some one help me.

Ro-jo · Answer

The SigmaTel STAC9750 chipset is an AC '97 CODEC with SPDIF support (via D/Dock and D/Port only) and headphone amplifier. Features include:

Full duplex stereo 18-bit ADC and 20-bit DAC
AC'97 rev 2.2-compliant
SPDIF support
SigmaTel Surround (SS3D) Stereo Enhancement
90 dB SNR line-line
No internal Microphone !!!

Hope this helps

Jim Coates · Answer

Rojo,

The Sigmatel has a lot of input and output possibilities, including inputs for 2 mics, usually implemented as the external mic jack and an internal mic. Whether a computer manufacturer chooses to use either, neither or only 1 of these mic inputs is not a limitation imposed on the manufacturer by the Sigmatel chip.

Jim

Ro-jo · Answer

To be more specific, The inspiron 500m does not have a internal microphone.

purme · Answer

Ok thanks for u r help. But I am still not able to understand how i used internal mic previously. Now I bought external MIC.

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inbuilt microphone not working.

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