Variable rate CELP speech coding using widely variable parameter updates /
by this research. The evaluation CELP coder developed in
| Main Author: | |
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| Format: | Thesis eBook |
| Language: | English |
| Published: |
[Place of publication not identified] :
[publisher not identified] ;
1995.
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| Subjects: | |
| Online Access: | Link to OAKTrust copy |
| Summary: | by this research. The evaluation CELP coder developed in CELP parameter update techniques are then developed in characteristics of the input speech for variable rate CELP Code-excited, linear prediction (CELP) has become an accepted controlling maximum coding delay. detail. Various experiments are run to determine the develops new techniques, referred to as widely variable CELP frequency of the CELP spectral parameters to the frequency through the use of thresholds. New CELP parameter general CELP coding concepts and several specific fixed and increased interest in variable rate techniques to provide interpolation techniques were developed which facilitated lower average bit rates for a given quality level. This work measures were developed to vary the parameter transmit method for low bit rate, high quality coding of digital parameter updates, which dynamically adapt the transmit performance of the developed techniques in terms of coding rate and speech quality. Three key contributions are provided speech coding. After a presentation of speech coding basics, speech. The success of fixed rate CELP schemes has led to this work is the first known CELP configuration to utilize a variable frame rate. Formant and pitch parameter distortion variable rate CELP coders are described. The widely variable widely variable parameter updates and provided a means for |
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| Item Description: | "Major subject: Electrical Engineering". Vita. |
| Physical Description: | ix, 62 leaves : illustrations ; 28 cm. Also available online. Issued also on microfiche from Lange Micrographics. |
| Bibliography: | Includes bibliographical references. |