A number of previous studies have shown that speech sounds may have an intrinsic low dimensional structure. Such studies have focused on magnitude-based features ignoring phase information, as is the convention in many speech processing applications. In this paper dimensionality reduction methods are applied to MFCC and modified group delay function (MODGDF) features derived from the magnitude ...

introduction: pulmonary tuberculosis is major problem worldwide and it is estimated one third the world population are already infected and each year 9 million people develop full blown tuberculosis of these 3 million die of the disease, annually. delay in diagnosis and treatment are major problems that play a significant role in all aspect of the disease from patient treatment to transmission ...

A filter structure is proposed which has a significantly lower signal delay than common frequency-domain filtering by means of an analysis-synthesis filter-bank (AS FB). The recently published filter-bank equalizer (FBE) is a filter(-bank) with a lower signal delay compared to the corresponding AS FB. In this contribution, the signal delay of the FBE is further reduced by approximating the time...

The objective of this thesis was to develop a single channel noise reduction method, capable of handling the short delay constraints of a digital hearing aid. Two candidates were developed and evaluated, both based on a previously proposed long-delay algorithm called Perceptually Optimised Spectral Subtraction, or shortly, PSS. The first method, PSSLP (PSS with LowPass filtering of filter coeff...

100 Delay Reduction Techniques for Playout Bu ering Cormac J. Sreenan, Jyh-Cheng Chen, Member, IEEE, Prathima Agrawal, Fellow, IEEE, and B. Narendran Abstract| Receiver synchronization of continuous media streams is required to deal with delay di erences and variations resulting from delivery over packet networks such as the Internet. This function is commonly provided using per-stream playout ...