Chapter | three

 

Digital Representation

 

CHAPTER OUTLINE

Antialiasing

Sampling

Quantization

Binary Values

A-D

D-A

Bit Reduction

Lossless Packing

Lower fs and Fewer Bits per Sample

Nonlinear Quantization

Perceptual Coding

Codecs and Applications

How Much Space Does (Linear) Digital Audio Take Up?

Digital audio technology is based on the transformation of a signal varying in an analog manner to numerical values at an appropriate rate. After this conversion, computers can be used in the processing, transmission, and storage of the signals.

Other advantages of digital audio technology include error correction, which allows for the execution of copying and transmission in a lossless manner. In addition it enables what otherwise would have to be ...

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