This paper presents a new approximation method for the design of pseudo-qmf filter banks used in high-quality audio subband coding. It is based on the polyphase structure of implementation of the analysis and synthesis filter banks. Approximation takes account of both time-domain constraints derived from this polyphase structure and classical frequency-domain constraints issued from the definition of pseudo-qmf filters.
(See document for exact affiliation information.)
https://aes2.org/publications/elibrary-page/?id=6607
(605KB)
Click to purchase paper as a non-member 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 Join the AES. If you need to check your member status, login to the Member Portal.
