The 15th ITG conference on Speech Communication solicits contributions on theory, algorithms, and applications in the following areas of speech, audio, and spoken language processing.Topics:- Speech Enhancement and Separation- Source Localization and Tracking- Detection and Classification of Acoustic- Scenes and Events- Automatic Speech and Speaker Recognition- Spoken Dialogue, Diarization, and Spoken Document Retrieval Systems- Speech Synthesis- Speech Modeling, Coding, and Transmission- Privacy in Speech Technologies- Speech Production and Perception- Speech and Audio Quality Assessment- Paralinguistics, Speech Diagnostics and Speech-related Biosignals- Speech in Automotive, Mobile, and Multimodal Applications- Acoustic Interfaces, Assistive Devices, and Hearing Aids- Hardware and Software Tools- Emerging Topics and Applications