COMPLEX SIGNAL ACTIVITY DETECTION FOR IMPROVED SPEECH/NOISE CLASSIFICATION OF AN AUDIO SIGNAL

Patent №

US 6,424,938

Granted

2002-07-23

Filed 1999

Owner

TELEFONAKTIEBOLAGET LM ERICSSON

Lab

AI components

1

speech

Assignment

Recorded

Dataset

AIPD

2023_r1 edition

Application

09434787

Perceptually relevant non-speech information can be preserved during encoding of an audio signal by determining whether the audio signal includes such information. If so, a speech/noise classification of the audio signal is overriden to prevent misclassification of the audio signal as noise.

SpeechG10L 25/78G10L 2025/783

AI classification

Speech1.00
Machine learning0.04
Knowledge representation0.01
Planning0.01
Natural language0.00
AI hardware0.00
Evolutionary computation0.00
Vision0.00

Ownership

TELEFONAKTIEBOLAGET LM ERICSSON

assignment · 103120813

Assignors

JOHANSSON, INGEMAR, EKUDDEN, ERIK, SVEDBERG, JONAS, UVLIDEN, ANDERS

On an employer assignment, the assignors are typically the inventors.

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