Download Advances in Chinese Spoken Language Processing by Chin-hue Lee, Haizhou Li, Lin-shan Lee, Ren-hua Wang, Qiang PDF

By Chin-hue Lee, Haizhou Li, Lin-shan Lee, Ren-hua Wang, Qiang Huo

ISBN-10: 9812569049

ISBN-13: 9789812569042

After a long time of study job, chinese language spoken language processing (CSLP) has complicated significantly either in sensible expertise and theoretical discovery. during this publication, the editors offer either an advent to the sector in addition to exact study issues of their suggestions in quite a few parts of CSLP. The contributions signify pioneering efforts starting from CSLP rules to applied sciences and functions, with each one bankruptcy encapsulating a unmarried challenge and its recommendations.

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Advances in Chinese Spoken Language Processing

After a long time of analysis job, chinese language spoken language processing (CSLP) has complicated significantly either in functional expertise and theoretical discovery. during this ebook, the editors offer either an creation to the sphere in addition to exact study issues of their strategies in quite a few parts of CSLP.

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Windowing means multiplication of a speech signal by a window, yielding a set of new speech samples weighted by the shape of the window. The simplest window has a rectangular shape, which gives equal weight to all samples of the speech signal and limits the analysis range to width of the window. A common is the Hamming window, which is a raised cosine pulse, or the quite similar Hanning window. Tapering the edges of the window allows its periodic shifting (at the update frame rate) along without having large effects on the resulting speech parameters due to pitch period boundaries.

As mentioned above, pitch is not only a function of the frequency of a sound, but also dependent on the intensity and composition. This phenomenon is clearly seen in producing and perceiving Chinese tones. For instance, you can produce a low tone (Tone 3) of Mandarin Chinese by lowering the power of the sound instead of the fundamental frequency. Experiments have shown that many foreign students who can pronounce good Chinese tones often manipulate the sound power when generating the low tone. 4.

Introduction to LPC The most prominent method in speech analysis, linear predictive coding (LPC), has been directly motivated by our understanding of the physical properties of the human speech production system. LPC analysis has had a successful history for more than 30 years. The term "linear prediction" refers to the mechanism of using a linear combination of the past time-domain samples to approximate or to "predict" the current time-domain sample, using a compact set of LPC coefficients. If the prediction is accurate, then these coefficients can be used to efficiently represent or to "code" a long sequence of the signal (within each window).

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