Most speech enhancement algorithms focus on obtaining an estimator relying on stochastic models. In this paper, a minimum mean-square error (MMSE) estimator under a stochastic– deterministic model is proposed where a heavy-tail distribution called t-LOCATION-Scale (tls) is used for modeling Discrete Fourier Transform coefficients of clean speech signals and exponential and sinusoidal models are employed as deterministic models. In the exponential model, the frequency and damping coefficient are estimated by using the Matrix Pencil method. Also, in previous studies, the number of exponential components in the deterministic model for stochastic-deterministic speech enhancement algorithm has been considered to be one. In this paper, the corresponding exponential model is developed to have an arbitrary number of exponential components. The speech enhancement experiments are performed in three modes, exponential-Gaussian (the first proposed method), exponential-tls (the second proposed method), and sinusoidal-Gaussian. Comparisons are made with the exponential-Gaussian method (with only one exponential component), as well as with the Weiner and tls stochastic estimators. The implementation results in the presence of six noise types from Noisex-92 dataset show that the two proposed methods improve the segSNR values and have quite similar PESQ values comparing with the stochastic based speech enhancement methods.

"Daily hours" by the word means times. LEISURE is the concept of comfort, rest, relation and free of any working situations. And technically; It consists of times and opportunity that have reminded after daily job and performance of any types of activity.Sociologists LEISURE has anew conceptuality in compare to do believe society in which such phenomenon can't be considered as classical unemployment, as was in the past.Object: This research is about needs in Elderlies' LEISURE times. This research shows that all LEISURE programs are sum of nearly all complete practical programs in domination of adult's LEISURE times. A performed with careful planning and programming and multifactorial rather than expansion of accomplishment's are beneficial is our country.Method of study: We distributed special research questionnaires as accidental mode among adults, in general parks of Qzvin province.We assessed archive information by use of unparametric statistics of expansion. In addition, we used piraloon coefficient of correlation too.Result and discussion: According to achieve result of research among elderlies' LEISURE programs which consist of" Film showing", sport and art programs which have allocated extended portion for their own.Elderlies' views about sport were very positive. Exercise of sport has been considered as effective to their heath and their soul and society cultural promotions.All keeping centers of elderlies have T.V, radio and other facilities for showing video-films which consist of sports, Also complete installation of sports, Arts used as human drives, were very useful in optimizing elderlies' LEISURE times objectives.