Adaptive Noise Suppression Algorithm Features ANSI C Code

08-Aug-2012 | News-Press Release

Adaptive Noise Suppression Algorithm Features ANSI C Code

Toronto, CanadaGAO Research Inc. (www.GAOResearch.com) is offering its adaptive noise suppression algorithm which is designed to adaptively suppress both stationary and non-stationary background noise from speech. By taking advantage of the signal characteristics of human speech, the algorithm extracts the signals of interest and adaptively cancels the noise that is present in the background.

This adaptive noise suppression algorithm features real-time audio processing and C-callable functions. It provides natural sounding and undistorted speech output. Noises embedded in speech are especially perceivable when compressed and transmitted. Non-stationary background noises that change over time are even more perceivable when played back. By continuously tracking the characteristics of the noise signal, GAO's adaptive algorithm effectively eliminates this background noise, resulting in much clearer speech over the communication channel. The code is developed using ANSI C and can be ported to customers' platform of choice.

This adaptive noise suppression algorithm belongs to GAO’s family of Telephony Software. This line provides a complete package for telephony that includes speech compression modules and telephony modules. Featured products in this line include Call Progress Software which is a tonal signaling standard used to acquire connections between subscribers in telephone network systems and to indicate the status of the incoming and outgoing phone calls, Dual Tone Multi-Frequency Software which is widely used in interactive control applications such as telephone banking, electronic mail systems, and many other menu-driven operations that respond to digits entered from a telephone and Automatic Gain Control Software which adaptively controls the dynamic range of a speech signal without amplifying the noise between words and phrases.

 

 

 

 

 

About GAO Research Inc.

GAO Research Inc. (www.GAOResearch.com) is a world-renowned provider of high quality, reliable telecommunications software including embedded modem software, fax modem software, speech codes, and telephony software for a wide range of DSPs and microprocessors.

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