Journal Forum

Synthetic Reverberator - January 1960

Sound Board: High-Resolution Audio - October 2015

Synchronized Swept-Sine: Theory, Application, and Implementation - October 2015

Access Journal Forum

AES E-Library

A Unified Fast Algorithm for Cosine Modulated Filter Banks in Current Audio Coding Standards

Document Thumbnail

Current audio coding standards, such as MPEG-I layers 1-3, MPEG-II layers 1-4, MPEG-!V, and AC-3, have adopted for compression various forms of the cosine modulated filter banks (CMFBs). It is demonstrated that all modulated cosine transforms can be divided into two modules - the permutation and discrete cosine transform. The derived discrete cosine transforms are either type II, type III, or type IV. A fast computing algorith is proposed that will compute all three types of transforms uniformly. The new fast algorithm has good features with regard to regularity, complexity, and general applicability.

JAES Volume 47 Issue 12 pp. 1061-1075; December 1999
Publication Date:

Click to purchase paper or login as an AES member. If your company or school subscribes to the E-Library then switch to the institutional version. If you are not an AES member and would like to subscribe to the E-Library then Join the AES!

This paper costs $20 for non-members, $5 for AES members and is free for E-Library subscribers.

Learn more about the AES E-Library

E-Library Location:

Start a discussion about this paper!

Facebook   Twitter   LinkedIn   Google+   YouTube   RSS News Feeds  
AES - Audio Engineering Society