Loading…

Improving intelligibility of a 300 b/s segment vocoder

The problem of increasing the intelligibility of a 300 b/s segment vocoder is addressed by investigating: (1) new line spectral pair (LSP)-based distance measures and (2) new structures and construction methods for segment codebooks. A variety of new distance measures is evaluated, and it is found t...

Full description

Saved in:
Bibliographic Details
Main Authors: Peterson, P., Jeanrenaud, P., Vandegrift, J.
Format: Conference Proceeding
Language:English
Subjects:
Online Access:Request full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:The problem of increasing the intelligibility of a 300 b/s segment vocoder is addressed by investigating: (1) new line spectral pair (LSP)-based distance measures and (2) new structures and construction methods for segment codebooks. A variety of new distance measures is evaluated, and it is found that, after tuning, all of the distance measures provide almost equal intelligibility, indicating that some other factor, such as codebook template quality, is limiting performance. In an effort to improve the codebook, multiple duration-dependent codebooks constructed by selecting phonetically labeled segments from the TIMIT database are examined.< >
ISSN:1520-6149
2379-190X
DOI:10.1109/ICASSP.1990.115826