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检索条件"主题词=linear predictive coding"
2458 条 记 录,以下是2411-2420 订阅
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Application of CVSD with delayed decision to narrowband/Wideband tandem
Application of CVSD with delayed decision to narrowband/Wide...
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International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
作者: R. Cheung Electronic Systems Group GTE Sylvania Inc. Needham Heights MA USA
This paper describes the application of CVSD with delayed decision to improve the quality of LPC encoded speech processed by a CVSD coder. In such tandem configuration, the peaky LPC waveform tends to cause severe slo... 详细信息
来源: 评论
Improving the performance of LPC-CVSD tandem connections by phase modification
Improving the performance of LPC-CVSD tandem connections by ...
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International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
作者: T. Barnwell R. Schafer School of Electrical Engineering Georgia Institute of Technology Atlanta GA USA
This paper describes an approach to modifying the waveshape of LPC synthetic speech, which involves a combination of spectral flattening prior to estimation of the LPC parameters and non-minimum phase de-emphasis foll... 详细信息
来源: 评论
Objective Performance Measures for Voice Systems
Objective Performance Measures for Voice Systems
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2nd Symposium and Technical Exhibition on Electromagnetic Compatibility, Montreux
作者: W. J. Hartman Office of Telecommunications Institute for Telecommunication Sciences Boulder Colorado
We present a discussion of two studies on the use of linear predictive coding (LPC) techniques for deriving an objective measure of intelligibility over voice communications channels. The first study is a feasibility ... 详细信息
来源: 评论
Improving linear prediction analysis of noisy speech by predictive noise cancellation
Improving linear prediction analysis of noisy speech by pred...
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International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
作者: S. Boll Computer Science Department University of Utah Salt Lake UT USA
The analysis of speech using linear Prediction is reformulated to account for the presence of acoustically added noise and a technique is presented for reducing its effect on parameter estimation. The method, called P... 详细信息
来源: 评论
Variable-to-fixed rate conversion of narrowband LPC speech
Variable-to-fixed rate conversion of narrowband LPC speech
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International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
作者: E. Blackman R. Viswanathan J. Makhoul Bolt Beranek and Newman 슠Inc. Cambridge MA USA
Variable data rate LPC speech compression schemes are employed to transmit LPC parameters only when speech characteristics have changed sufficiently since the last transmission, yielding improved speech quality relati... 详细信息
来源: 评论
A study of vowel normalization and identification in connected speech
A study of vowel normalization and identification in connect...
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International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
作者: H. Wakita H. Kasuya Speech Communications Research Laboratory Inc. Santa Barbara Calif
This paper discusses the identification of vowels in connected speech for a recognition system in which no prior knowledge about the input speakers is assumed. Portions of vowels in ten sentence utterances produced by... 详细信息
来源: 评论
Piecewise linear quantization of LPC reflection coefficients
Piecewise linear quantization of LPC reflection coefficients
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International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
作者: C. Un S. Yang Stanford Research Institute Menlo Park CA USA Chung Shang Institute of Science and Technology Lungtan Taiwan
We present a new quantization method for coding reflection coefficients in linear predictive coding (LPC) of speech. It employs piece-wise linear quantization and requires statistical properties of the LPC reflection ... 详细信息
来源: 评论
Evaluation of a word recognition system using syntax analysis
Evaluation of a word recognition system using syntax analysi...
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International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
作者: S. Levinson A. Rosenberg J. Flanagan Bell Laboratories Murray Hill NJ USA
A speech recognition system has been implemented which accepts reasonably natural English sentences spoken as isolated words. The major components of the system are a speaker dependent word recognizer and a syntax ana... 详细信息
来源: 评论
Use of segmentation and labeling in analysis-synthesis of speech
Use of segmentation and labeling in analysis-synthesis of sp...
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International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
作者: R. Reddy R. Watkins Department of Computer Science Carnegie Mellon University Pittsburgh PA USA
We have been attempting to produce further bandwidth reduction in LPC based analysts-synthesis techniques by used the segmentation and labeling algorithms used in the Harpy and Hearsay-II systems. Preliminary results ... 详细信息
来源: 评论
A unique narrow band voice modulation system
A unique narrow band voice modulation system
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International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
作者: R. Harris J. Cleveland M. Howl School of Engineering University of the Pacific Stockton Stockton CA USA
A new and unique voice modulation system that utilizes the natural time division and frequency division multiplexed characteristics of voiced and unvoiced sounds in human speech has been developed theoretically and pr... 详细信息
来源: 评论