Issue 7 • Oct 2001
Cited by: Papers (116) | Patents (2)
In this paper, we propose a modified version of the autocorrelation pitch extraction method well known to be robust against noise. Utilizing that the average magnitude difference function (AMDF) has similar characteristics with the autocorrelation function, the autocorrelation function is weighted by the reciprocal of the AMDF. By simulation experiments, it is shown that the proposed pitch extract... View full abstract»
Cited by: Papers (36) | Patents (2)
Almost all speech contains simultaneous contributions from more than one acoustic source within the speaker's vocal tract. In this paper, we propose a method-the pitch-scaled harmonic filter (PSHF)-which aims to separate the voiced and turbulence-noise components of the speech signal during phonation, based on a maximum likelihood approach. The PSHF outputs periodic and aperiodic components that a... View full abstract»
Cited by: Papers (5)
In this paper, a gain-adapted speech recognition method in unknown noise is developed in the time domain. Noise is assumed to be colored. To cope with the notable nonstationary nature of speech signals such as fricative, glides, liquids, and transition region between phones, the nonstationary autoregressive (NAR) hidden Markov model (HMM) is used for clean speech. The nonstationary AR process is r... View full abstract»
Cited by: Papers (38) | Patents (1)
An active control system for low-frequency road noise in automobiles combined with an audio system is developed as a commercial application for the first time in the world, and installed in a station wagon. The purpose of this paper is to provide an outline of the system and describe the newly developed cost-reduction technology used for it, since the reduction of system costs is a major reason th... View full abstract»
Cited by: Papers (67) | Patents (7)
This paper presents a sinusoidal model based algorithm for enhancement of speech degraded by additive broad-band noise. In order to ensure speech-like characteristics observed in clean speech, smoothness constraints are imposed on the model parameters using a spectral envelope surface (SES) smoothing procedure. Algorithm evaluation is performed using speech signals degraded by additive white Gauss... View full abstract»
Cited by: Papers (4)
In this paper, an automatic way of analyzing/synthesizing plucked-string instruments by using a simple IIR (infinite impulse response) structure is presented. The basic structure of the proposed IIR filter consists of a delay line with feedback loops pulled out from the delay line back to the input side of the filter. The feedback portion acts like a prediction filter to modify the signal for the ... View full abstract»
Aims & Scope
Covers the sciences, technologies and applications relating to the analysis, coding, enhancement, recognition and synthesis of audio, music, speech and language.
This Transactions ceased publication in 2005. The current retitled publication is IEEE/ACM Transactions on Audio, Speech, and Language Processing.