Audio Signal Processing and Coding

Andreas Spanias, Ted Painter, Venkatraman Atti

Chapter 10 AUDIO CODING STANDARDS AND ALGORITHMS - all with Video Answers

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Chapter Questions

02:12

Problem 1

List some of the primary differences between the DTS, the Dolby digital, and the Sony ATRAC encoding schemes.

Guilherme Barros

Numerade Educator

Problem 2

Using a block diagram, describe how the ISO/IEC MPEG-1 layer I codec is different from the ISO/IEC MPEG-1 layer III algorithm.

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Problem 3

What are the enhancements integrated into MPEG-2 AAC relative to the MP3 algorithm. State key differences in the algorithms.

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Problem 4

List some of the distinguishing features of the MP4 audio format over the MP3 format. Give bitrates and cite references.

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Problem 5

What is the main idea behind the scalable audio coding? Explain using a block diagram. Give examples.

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Problem 6

What is structured audio coding and parametric audio coding?

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01:00

Problem 7

How is ISO/IEC MPEG-7 standard different from the other MPEG standards.

Simon Kangoun

Numerade Educator

01:56

The audio files Ch1Oaud2L.wav, Ch1Oaud2R.wav, Ch1Oaud2C.wav, Ch1Oaud2Ls.wav, and Ch1Oaud2Rs.wav correspond to left, right, center, left-surround, and right-surround, respectively, of a 3/2-channel configuration. Using the matrixing technique obtain a stereo output.

Priyank Sharma

Numerade Educator

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