Research and design of the audio coding scheme

Author

Zhou, Hong ; Yu, Changhui

Author_Institution

Fac. of Comput. Eng., Huaiyin Inst. of Technol., Huai´´an, China

fYear

2011

fDate

26-28 July 2011

Firstpage

667

Lastpage

670

Abstract

Audio Coding is widely used in telecommunications, computers, and electronic products and so on. Different audio Coding scheme has different compression efficiency and different vendors have different compression standards. This paper introduces MPEG-1, MPEG-2 AAC audio coding standards and principles. They, the mainstream of today´s audio coding standards, is based on the psychoacoustic theory. They makes full use of the auditory characteristics and only transmit the information that human ear can feel in order to compress the encoding and decoding. According to the MPEG-2 AAC encoding and decoding compression Algorithm, an audio coding system is designed with the system flow chart.

Keywords

audio coding; code standards; data compression; decoding; MPEG-1 AAC audio coding standards; MPEG-2 AAC audio coding standards; audio coding scheme; compression standards; decoding compression algorithm; encoding compression algorithm; psychoacoustic theory; system flow chart; Audio coding; Decoding; Filter banks; Psychoacoustic models; Quantization; Transform coding; AAC; MPEG; audio coding;

fLanguage

English

Publisher

ieee

Conference_Titel

Multimedia Technology (ICMT), 2011 International Conference on

Conference_Location

Hangzhou

Print_ISBN

978-1-61284-771-9

Type

conf

DOI

10.1109/ICMT.2011.6003026

Filename

6003026