Bandwidth extension of speech based on non-linear transformation and automatic gain control

• Main Author: Zaw Zaw Aung
• Other Authors: Soon, Ing Yann
• Format: Theses and Dissertations
• Published: 2008
• Subjects: DRNTU::Engineering::Electrical and electronic engineering::Electronic systems
• Online Access: http://hdl.handle.net/10356/3946
• Institution: Nanyang Technological University

Propose a postprocessing technique to recover the missing highband frequency components lost during low pass filtering in band-limited narrowband speech signals, based on automatic gain control of the non-linear mapping functions for highband excitation.