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Generalized Audio Coding with MPEG-4 Structured Audio

The MPEG-4 Structured Audio standard was created to enable low bit-rate yet high-quality transmission of synthetic audio sound tracks. However, structured audio techniques are suitable for flexible natural coding of audio as well as audio synthesis. This paper introduces the concept of generalized audio coding, in which the Structured Audio decoder is used to emulate the behavior of other audio decoders.

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AES - Audio Engineering Society