Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Speech compression method and apparatus










Image Number 3 for United States Patent #8352248.

A system for encoding speech includes a speech encoder (106, FIG. 1), a speech recognizer (110), and a difference encoder (108). When the speech recognizer (110) recognizes a word, phoneme or feature within an input speech signal (122), the difference encoder (108) calculates the differences between speech parameters (140, 142) derived by the speech encoder (106) and speech parameters (146, 148) derived by the speech recognizer (110). The difference encoder (108) quantizes the differences (128), which replace corresponding encoder-derived parameters to be transmitted over a channel (130). In one embodiment, the difference encoder representation (128) of the speech parameters consumes fewer bits than the encoder-derived representation (124). Accordingly, the resulting bandwidth consumed by a single channel can be decreased.








 
 
  Recently Added Patents
Water purification using energy from a steam-hydrocarbon reforming process
Switching power supply apparatus with overcurrent limiting and prolonged holding time
Device and method to automatically configure port forwarding
Semiconductor device and method of manufacturing the same
Nano-pigment inkjet ink composition that has a low odor and is environmentally-friendly
Apparatus and method for providing vehicle data for testing product
Sample chamber for laser ablation inductively coupled plasma mass spectroscopy
  Randomly Featured Patents
Drop former utilizing gas pressure
Method for changing the length of a coherent jet
Pharmaceutical preparation in form of coated capsule releasable at lower part of digestive tract
Compact triaxial AC magnetic field analyzer/dosimeter using swept bandpass filters
Bus-protocol converting device and bus-protocol converting method
Isolation and extraction of subcellularly compartmentalized protein
Combined swimming aid and lifesaving device
Winding machine
Synching a recording time of a program to the actual program broadcast time for the program
Insert and channel auto windshield molding