The overall goal of the volume is to offer an extensive and qualified description of the current research that may stimulate genuine attention on Spoken communication. The volume gives updated insights on theoretical aspects, specific case studies and the issues of speech representation as well. In the first part different aspects of the cognitive and pragmatic perspectives are analyzed. An insightful account of language pathologies, multimodal spoken dialog interaction and voice expressiveness is given in part two, while sign languages, representation of intonation and automatic detection of disfluencies in speech transcriptions are investigated in the last section.