CONF
marios-rr-04-60b/IDIAP
PLP$^2$: Autoregressive modeling of auditory-like 2-D spectro-temporal patterns
Athineos, Marios
Hermansky, Hynek
Ellis, Daniel P. W.
EXTERNAL
http://publications.idiap.ch/attachments/reports/2004/rr04-60.pdf
PUBLIC
http://publications.idiap.ch/index.php/publications/showcite/marios-rr-04-60
Related documents
2004
IDIAP RR 04-60
The temporal trajectories of the spectral energy in auditory critical bands over 250~ms segments are approximated by an all-pole model, the time-domain dual of conventional linear prediction. This quarter-second auditory spectro-temporal pattern is further smoothed by iterative alternation of spectral and temporal all-pole modeling. Just as Perceptual Linear Prediction (PLP) uses an autoregressive model in the frequency domain to estimate peaks in an auditory-like short-term spectral slice, PLP$^2$ uses all-pole modeling in both time and frequency domains to estimate peaks of a two-dimensional spectro-temporal pattern, motivated by considerations of the auditory system.
REPORT
marios-rr-04-60/IDIAP
PLP$^2$: Autoregressive modeling of auditory-like 2-D spectro-temporal patterns
Athineos, Marios
Hermansky, Hynek
Ellis, Daniel P. W.
EXTERNAL
http://publications.idiap.ch/attachments/reports/2004/rr04-60.pdf
PUBLIC
Idiap-RR-60-2004
2004
IDIAP
Accepted for publication in the Workshop on Statistical and Perceptual Audio Processing (SAPA) 2004
The temporal trajectories of the spectral energy in auditory critical bands over 250~ms segments are approximated by an all-pole model, the time-domain dual of conventional linear prediction. This quarter-second auditory spectro-temporal pattern is further smoothed by iterative alternation of spectral and temporal all-pole modeling. Just as Perceptual Linear Prediction (PLP) uses an autoregressive model in the frequency domain to estimate peaks in an auditory-like short-term spectral slice, PLP$^2$ uses all-pole modeling in both time and frequency domains to estimate peaks of a two-dimensional spectro-temporal pattern, motivated by considerations of the auditory system.