TITLE:
Design of Background Noise Suppression Circuit for Mobile Phones
AUTHORS:
Peng Luo
KEYWORDS:
Mobile Phones, Noise Suppression, Self-Adaptive Noise Cancellation, AD623
JOURNAL NAME:
Journal of Computer and Communications,
Vol.4 No.9,
July
26,
2016
ABSTRACT: With the purpose of reducing the influence
of background noise on the call quality of mobile phones, background noise
suppression circuit is designed based on the principle of self-adaptive noise
cancellation. Because this method is not involved in the nature of the noise
itself, it can be used both for stationary noise cancellation and
quasi-stationary noise cancellation. The working principle and circuit design
of the system are introduced in detail. Simulated experiment was conducted in
the lab, and its experimental results were analyzed. The experimental results
show that the circuit works well with low cost, and has a broad prospect of
application and popularization.