Patent №
US 4,283,601
Granted
1981-08-11
Filed 1979
Owner
HITACHI, LTD.
Lab
—
AI components
1
speech
Assignment
Recorded
Dataset
AIPD
2023_r1 edition
Application
06037026
Signal-to-noise is enhanced by including the upper sideband of a sampled-speech signal with the original baseband signal for further signal processing. The invention features shifting both bands to form a continuum from 0 Hz to the sampling frequency. Application in a speech recognition is shown.
SpeechG10L 15/00
AI classification
Speech1.00
Machine learning0.05
Vision0.00
Evolutionary computation0.00
Natural language0.00
Planning0.00
AI hardware0.00
Knowledge representation0.00
Ownership
HITACHI, LTD.
assignment · 38220416
Assignors
ICHIKAWA, AKIRA, NAKATA, KAZUO, NAKAJIMA AKIRA
On an employer assignment, the assignors are typically the inventors.
From the same owner
STATE DETECTION APPARATUSUS 12,694,646 · 2026METHOD TO EXTRACT VIDEO CONTEXT FROM EXTERNAL DESCRIPTIONUS 12,694,675 · 2026ROBOT SYSTEM AND ROBOT CONTROL DEVICEUS 12,686,131 · 2026QUANTUM INFORMATION PROCESSING DEVICE AND QUANTUM INFORMATION PROCESSING SYSTEMUS 12,688,450 · 2026COMPRESSING OLD MACHINE LEARNING DATASET DATA FOR USE BY A HUMANUS 12,682,204 · 2026Fault Tree Generation Device and Fault Tree Generation MethodUS 12,682,262 · 2026QUANTUM INFORMATION PROCESSING SYSTEM AND QUANTUM INFORMATION PROCESSING METHOD OF QUANTUM INFORMATION PROCESSING SYSTEMUS 12,682,270 · 2026Annotation Device and Annotation MethodUS 12,682,574 · 2026