List of Articles Speech Enhancement Open Access Article Abstract Page Full-Text 1 - A New Shuffled Sub-swarm Particle Swarm Optimization Algorithm for Speech Enhancement Masoud Geravanchizadeh Sina Ghalami Osgouei Open Access Article Abstract Page Full-Text 2 - Implementation of Hybrid Speech Dereverberation Systems and Proposing Dual Microphone Farsi Database in Order to Evaluating Enhancement Systems Farhad Faghani Hamid Reza Abutalebi Open Access Article Abstract Page Full-Text 3 - Proposing a New Speech Enhancement Method based on Spectral Subtraction and Binary Masking With a Bank of 128 Gamma-tone Filters Mozhgan Monjizade Saeed Ayat