Open AccessA Coherence Based Dual-Microphone Speech Enhancement in Diffuse Noise Field
Author(s) -
Quan Trong The
Publication year - 2020
Publication title -
international journal of recent technology and engineering
Language(s) - English
Resource type - Journals
ISSN - 2277-3878
DOI - 10.35940/ijrte.e6216.018520
Subject(s) - speech enhancement , computer science , microphone , speech recognition , noise (video) , speech processing , noise canceling microphone , coherence (philosophical gambling strategy) , dual (grammatical number) , voice activity detection , noise reduction , artificial intelligence , microphone array , telecommunications , mathematics , art , statistics , literature , sound pressure , image (mathematics)
In recent years, the problem of improving the quality of noisy signal has always been a dilemma, challenging scientists; especially in diffuse noise conditions. There has been great and growing interest in dual-microphone processing for hands-free speech enhancement. In this paper, the author addresses a improvement of coherence based filter in diffuse noise field. Explicit information about speech presence or absence is necessary in many speech processing applications. The proposal algorithm uses a soft speech presence probability as an optimal parameter to process noisy signal in diffuse noise condition. The evaluation proves that, speech application dual-microphone can be incorporated with this efficiency algorithm for pre-processing