SYSTEMS, METHODS, APPARATUS, AND COMPUTER-READABLE MEDIA FOR ADAPTIVE FORMANT SHARPENING IN LINEAR PREDICTION CODING
Patent №
US 9,728,200
Granted
2017-08-08
Filed 2013
Owner
QUALCOMM INCORPORATED
Lab
—
AI components
2
speech · hardware
Assignment
Recorded
Dataset
AIPD
2023_r1 edition
Application
14026765
A method of processing an audio signal includes determining an average signal-to-noise ratio for the audio signal over time. The method includes, based on the determined average signal-to-noise ratio, a formant-sharpening factor is determined. The method also includes applying a filter that is based on the determined formant-sharpening factor to a codebook vector that is based on information from the audio signal.
AI classification
Ownership
QUALCOMM INCORPORATED
assignment · 312050555
Assignors
ATTI, VENKATRAMAN S., RAJENDRAN, VIVEK, KRISHNAN, VENKATESH
On an employer assignment, the assignors are typically the inventors.