Sound masking by a low-pitch speech-shaped noise improves a social robot's talk in noisy environments.
Hamed PourfannanHamed MahzoonYuichiro YoshikawaHiroshi IshiguroPublished in: Frontiers Robotics AI (2023)
Keyphrases
- noisy environments
- acoustic features
- speech enhancement
- speaker verification
- speech signal
- speech recognition
- noise reduction
- background noise
- automatic speech recognition
- speaker identification
- digit recognition
- noisy speech
- hidden markov models
- voice activity detection
- fundamental frequency
- speaker recognition
- musical instrument
- linear prediction
- sound source
- noise level
- formant frequencies
- audio signal
- spectral subtraction
- class noise
- signal to noise ratio
- non stationary
- vocal tract
- musical instruments
- single channel
- additive noise
- human visual system