Patent · US Expired

Quantizing speech signal codewords to reduce memory requirements

US7269552B1 · kind B1 · utility

2Cited by

18References

13Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Torsten Prange · Bodenwerder, DE
Andreas Engelsberg · Hildesheim, DE
Christian Mittendorf · Hildesheim, DE
Torsten Mlasko · Hildesheim, DE

Key dates

Filing date	Aug 21, 1999
Grant date	Sep 11, 2007
Priority date	—
Expiry date	Aug 21, 2019

Classification

Technology area (CPC G)Physics
CPC primaryG10L2019/0001
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

For the coding or decoding of speech signal sampled values, the values contained in the code books/code tables for the generation of the speech signal parameters are stored in quantized form.The processing can be carried out using processors with whole-number processing, without deterioration of the speech quality.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.