Patent №
US 8,296,157
Granted
2012-10-23
Filed 2009
Owner
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
+1 more
Lab
—
AI components
1
speech
Assignment
Recorded
Dataset
AIPD
2023_r1 edition
Application
12414768
An apparatus and method for deciding an adaptive noise level for bandwidth extension are provided. The apparatus includes a noise level decider for deciding a high-band noise level for bandwidth extension according to tonality of an input signal, a pitch frequency analyzer for detecting a pitch frequency of the input signal and analyzing correlation between the detected pitch frequency and a frequency channel, and a noise level controller for adaptively controlling the decided high-band noise level based on the analyzed correlation of the pitch frequency and the frequency channel.
AI classification
Ownership
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
assignment · 224740469
KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATION
assignment · 224740469
Assignors
LEE, TAE-JIN, BEACK, SEUNG-KWON, KIM, MIN-JE, SEO, JEONG-IL, JANG, DAE-YOUNG, KANG, KYEONG-OK, HONG, JIN-WOO, PARK, HO-CHONG, PARK, YOUNG-CHEOL, KIM, RIN-CHUL, OH, SEONG-JUN, AHN, CHANG-BEOM, +1 more
On an employer assignment, the assignors are typically the inventors.