Speech Enhancement using Statistical based and NMF approaches

The book "Speech Enhancement using Statistical based and NMF approaches" by RAVI KUMAR KANDAGATLA offers a comprehensive analysis of the challenges and solutions in the field of speech enhancement. In a world dominated by noise, clear communication between humans and machines is crucial. This technical book addresses the issue of speech signal distortion caused by background noise and presents various approaches to improve speech quality. In particular, it examines traditional algorithms such as spectral subtraction and Wiener filtering, as well as newer methods based on statistical approaches and non-negative matrix factorization (NMF). The author explains the necessity of cleaning speech signals to enhance intelligibility and provides innovative techniques for calculating the a priori signal-to-noise ratio (SNR) based on current data. This book is aimed at professionals and students in the fields of mathematics and natural sciences who are involved in signal processing and speech communication.