Audio/speech processing is a special case of digital signal processing (DSP), which is applied to process and analyze speech signals. Some of the typical applications of speech processing are speech recognition, speech coding, speaker authentication, speech enhancement, detection and removal of noise, speech synthesis, text to speech conversion, etc. This book provides a deep insight and in-depth discussion about audio processing and automatic speech recognition. © 2019, The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.