An Improved Sequential Adaptive Method for Linear Prediction of Speech Signals.(Dept.E)
نویسندگان
چکیده
Much interest has recently been shown in sequential adaptation methods for APC systems. Such offer a trade-off between speed of convergence and misadjustment. Inadequacies the former become most apparent when speech waveform changes abruptly following certain consonants or unvoiced utterances. This paper offers method speeding up at these points by causing adaptive filter to operate on samples one block ahead those be transmitted. Additional time is thus given critical points.
منابع مشابه
Adaptive Linear Prediction in Speech Coding
Adaptive linear prediction is commonly used as a key step in digital coding of speech. This paper discusses some of the techniques that have been developed for adapting and coding the predictor coefficients in speech coders. The linear predictors in high quality speech coding often consist of two stages, a short-time span (formant) filter and a long-time span (pitch) filter. The use of such fil...
متن کاملAn improved infeasible interior-point method for symmetric cone linear complementarity problem
We present an improved version of a full Nesterov-Todd step infeasible interior-point method for linear complementarityproblem over symmetric cone (Bull. Iranian Math. Soc., 40(3), 541-564, (2014)). In the earlier version, each iteration consisted of one so-called feasibility step and a few -at most three - centering steps. Here, each iteration consists of only a feasibility step. Thus, the new...
متن کاملImproved Linear Predictive Coding Method for Speech Recognition
In this paper, improved Linear Predictive Coding (LPC) coefficients of the frame are employed in the feature extraction method. In the proposed speech recognition system, the static LPC coefficients + dynamic LPC coefficients of the frame were employed as a basic feature. The framework of Linear Discriminant Analysis (LDA) is used to derive an efficient and reduced-dimension speech parametric s...
متن کاملAn improved HPLC method for determination of colocynthin in colocynth
Background and objectives: Colocynthin is the major active secondary metabolite of colocynth, Citrullus colocynthis (L.) Schrad, which has been used in traditional and ethno medicine of many countries. It could be considered as an active marker for quality control of colocynth and its herbal products. Analysis and standardization of colocynth and its herbal preparations are a critical...
متن کاملAn improved speech transmission index for intelligibility prediction
The speech transmission index (STI) is a well known measure of intelligibility, most suited to the evaluation of speech intelligibility in rooms, with stimuli subjected to additive noise and reverberance. However, STI and its many variations do not effectively represent the intelligibility of stimuli containing non-linear distortions such as those resulting from processing by enhancement algori...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Ma?allat? Kulliyyat? D?r Al-?ul?m
سال: 2021
ISSN: ['1110-0923', '2735-4202', '2735-4113', '1110-581X']
DOI: https://doi.org/10.21608/bfemu.2021.181526