Download Computer Speech: Recognition, Compression, Synthesis by Manfred R. Schroeder, H. Quast, H.W. Strube PDF

By Manfred R. Schroeder, H. Quast, H.W. Strube

New fabric treats such modern topics as computerized speech popularity and speaker verification for banking through machine and privileged (medical, army, diplomatic) info and regulate entry.

The publication additionally makes a speciality of speech and audio compression for cellular communique and the web. the significance of subjective caliber standards is under pressure.

The ebook additionally comprises introductions to human monaural and binaural listening to, and the elemental thoughts of sign research.

Beyond speech processing, this revised and prolonged re-creation of Computer Speech provides an summary of ordinary language expertise and offers the nuts and bolts of cutting-edge speech discussion systems.

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Extra resources for Computer Speech: Recognition, Compression, Synthesis

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16 1. 11 Man into Woman and Back The "head switching" experiment just described also bears on an exercise in speech synthesis in which the gender of the speaker is changed at will. In a first attempt to change a male into a female voice by digital manipulation, Bishnu Atal and I simply raised the pitch by one octave. The resulting "female" sounded suspiciously like a high-pitched male, confirming the age-old adage that there is more to the inequality between the sexes than pitch of voice. In a second attempt, we increased the formant frequencies by a constant factor to account for the shorter vocal tract of many females.

The importance of pitch patterns is emphasized by the following observation. I see a group of people talking to each other on a noisy street corner in New York City but I do not understand a word; there is too much trafIic noise. But even through the din of trafIic, I can hear the pitch patterns - and they are clearly Italian. ) Evidence for the importance of articulatory motions again comes from foreign and regional accents. Articulatory motion patterns are "frozen in" at an early age (around 10 years) and are hard if not impossible to break in later life.

The Politbum] and the Council of Ministers of the USSR. ". Of course, Rubin is not consciously engaged in deceiving his superiors; he is simply a victim of self-deception, a common cause of being led astray by speech researchers - and of course not just speech researchers. 10]. Of course, counting can be decoded by the human ear just from the rhythm of the utterance. (More formal tests conducted later revealed a surprisingly low intelligibility of the device - surprising perhaps only to the self-deceived inventor).

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