Title :
A Combined Implementation of Echo Suppression, Noise Reduction and Comfort Noise in a Speaker Phone Application
Author :
Schüldt, Christian ; Lindstrom, Fredric ; Claesson, Ingvar
Author_Institution :
Res. & Dev., Konftel AB, Umea
Abstract :
This paper presents a combined implementation of echo suppression, noise reduction and comfort noise for loudspeaker phones, with the novelty being the concurrent use of the intrinsic parameters. The proposed algorithms are verified by evaluation of a fix-point real-time implementation.
Keywords :
audio signal processing; echo suppression; loudspeakers; signal denoising; comfort noise; echo suppression; loudspeaker phones; noise reduction; speaker phone application; Background noise; Delay effects; Filter bank; Finite impulse response filter; Frequency estimation; Loudspeakers; Noise level; Noise reduction; Signal processing algorithms; Speech enhancement;
Conference_Titel :
Consumer Electronics, 2007. ICCE 2007. Digest of Technical Papers. International Conference on
Conference_Location :
Las Vegas, NV
Print_ISBN :
1-4244-0763-X
Electronic_ISBN :
1-4244-0763-X
DOI :
10.1109/ICCE.2007.341475
