Digital Audio Coding Standards and Applications

Developing digital audio applications can be challenging due to the tradeoff between audio quality, codec speed, and compression efficiency. This course provides a concise presentation of audio coding basics, perceptual and subband coding, speech coding standards (AMR, EVS), audio coding standards (AAC, SBC, LC3), the Qualcomm Hexagon digital signal processor, and the Android automotive audio framework. The participant will learn valuable tips related to perceptual audio compression using overlapped transforms, audio interaction, and audio control (focus, ducking, concurrent interactions, policy configuration). The course is based on a set of class notes that was developed when the instructor was training a large number of engineers from Qualcomm and Motorola Solutions. With over 160 illustrative slides, this indispensable course is designed for any audio engineer building advanced systems from ground up. As you will discover, digital audio is never standing still but constantly evolving with innovative and game-changing technologies. At the same time, audio applications are becoming more pervasive and diverse than before.

The instructor is a perceptive technology innovator, educator, and author with an eye for fresh perspectives. He received the National Association of Broadcasters Technology Innovation Award for demonstrations of advanced media technologies and the European Interactive TV grand challenge first prize. He has served as an IEEE Communications Society Distinguished Lecturer with 10 invited lectures worldwide and has developed 6 U.S. patents that were licensed to industry. A major focus of his current work is in enriching and delivering multimedia services over next-generation networks.

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