3.0 Map of Subject Areas

Hierarchy of Research Areas Beyond Recognition and Transcription Applications Applied Technologies 17 12 14 13 4 15 16 18 Multimedia Technologies Voice-based Information Retrieval Spoken Dialogue Spoken Document Understanding and organization Dictation & Transcription Computer-Assisted Language Learning Distributed Speech Recognition and Wireless Environment Multilingual Speech Processing Integrated Technologies Speech Recognition Core 11 10 2 3 1 Information Indexing & Retrieval Text-to-speech Synthesis Speech/ Language Understanding Linguistic Processing & Language Modeling Decoding & Search Algorithms Acoustic Processing: features, modeling, etc. Wireless Transmission & Network Environment Basic Technologies Keyword Spotting Robustness: noise/channel feature/model Hands-free Interaction: acoustic reception microphone array, etc. Speaker Adaptation & Recognition 7 5 6 8 9 Prosodic Modeling Spontaneous Speech Processing: pronunciation modeling disfluencies, etc. Recognition and Transcription