February 11, 2008
Tiny Cellphone Chip Aims to Improve Sound Quality
Audience, a Silicon Valley start-up company that has modeled the function of the human ear plans on Monday to introduce an integrated circuit intended to improve the sound quality of cellphones. [via NY Times]
"... The circuit is a chip that is only slightly larger than a grain of sand. The company said the device would offer higher quality noise suppression than the software that performs this function in today’s cellphones.
Noise suppression can also play an important role in making cellphone networks more efficient, he said. When phones transmit extraneous noise beyond the speakers’ voices, precious network bandwidth is wasted, he said.
The technology can also help improve the quality of the speakerphone function of a cellphone. Using a cellphone as a speakerphone requires improved performance from the circuitry in a phone that identifies a speaker’s voice."
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