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

• 主要作者: Zaw Zaw Aung
• 其他作者: Soon, Ing Yann
• 格式: Theses and Dissertations
• 出版: 2008
• 主題: DRNTU::Engineering::Electrical and electronic engineering::Electronic systems
• 在線閱讀: http://hdl.handle.net/10356/3946
• 機構: 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.