181 search results - page 28 / 37 » Bi-Spectral Acoustic Features for Robust Speech Recognition |
NAACL
2003
13 years 8 months ago
2003
It is well known that frame independence assumption is a fundamental limitation of current HMM based speech recognition systems. By treating each speech frame independently, HMMs ...
CSL
2007
Springer
13 years 7 months ago
2007
Springer
Automatic speech recognition (ASR) has reached very high levels of performance in controlled situations. However, the performance degrades significantly when environmental noise ...
CSL
2004
Springer
13 years 7 months ago
2004
Springer
Recently various techniques to improve the correlation model of feature vector elements in speech recognition systems have been proposed. Such techniques include semi-tied covaria...
ICASSP
2010
IEEE
13 years 7 months ago
2010
IEEE
In this paper, we present our work using ultrasonic sensing of speech for digit recognition. First, a set of spectral ultrasonic features are developed and tuned in order to achie...
LREC
2010
13 years 9 months ago
2010
In this paper, we investigate the acoustic properties of phonemes in three speaking styles: read speech, prepared speech and spontaneous speech. Our aim is to better understand wh...