NEN-ISO/IEC 13818-7
Information technology - Generic coding of moving pictures and associated audio information - Part 7: Advanced Audio Coding (AAC)
Organization: | NEN |
Publication Date: | 1 February 2006 |
Status: | active |
Page Count: | 204 |
ICS Code (Coding of audio, video, multimedia and hypermedia information): | 35.040.40 |
scope:
This International Standard describes the MPEG-2 audio non-backwards compatible standard called MPEG-2 Advanced Audio Coding, AAC [1], a higher quality multichannel standard than achievable while requiring MPEG-1 backwards compatibility. This MPEG-2 AAC audio standard allows for ITU-R "indistinguishable" quality according to [2] at data rates of 320 kbit/s for five full-bandwidth channel audio signals. The AAC decoding process makes use of a number of required tools and a number of optional tools. Table 1 lists the tools and their status as required or optional. Required tools are mandatory in any possible profile. Optional tools may not be required in some profiles.