Patent №
US 4,558,459
Granted
1985-12-10
Filed 1983
Owner
NISSAN MOTOR COMPANY, LIMITED
Lab
—
AI components
1
speech
Assignment
Recorded
Dataset
AIPD
2023_r1 edition
Application
06456323
In a speech recognition and control system for an automobile, the microphone preamplifier gain is made inversely proportional to the background sound noise level. Noise level is determined by averaging the microphone output for 100 milliseconds after the recognition switch is closed, before speech.
AI classification
Speech1.00
Natural language0.08
AI hardware0.04
Machine learning0.00
Knowledge representation0.00
Vision0.00
Planning0.00
Evolutionary computation0.00
Ownership
NISSAN MOTOR COMPANY, LIMITED
assignment · 40820309
Assignors
NOSO, KAZUNORI, KISHI, NORIMASA, FUTAMI, TORU
On an employer assignment, the assignors are typically the inventors.
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