maemo.org - Talk - View Single Post - Infrared over Headphones

	pichlo	2013-06-06 , 15:40
	Posts: 6,445 \| Thanked: 20,981 times \| Joined on Sep 2012 @ UK	#9

Originally Posted by Copernicus

Er, the earphones that come with the N900 have a microphone (for use in talking on the phone) -- wouldn't that mechanism work just as well for general audio input?

I wonder what the frequency response of that mic input is. I would not expect it to go far beyond 15kHz, and even that is very optimistic. It is probably limited to something like 4kHz, just enough for speech. The carrier frequency on many remotes go to tens of kHz.

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