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检索条件"主题词=adaptive differential pulse code modulation"
6 条 记 录,以下是1-10 订阅
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Gated recurrent unit predictor model-based adaptive differential pulse code modulation speech decoder
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EURASIP JOURNAL ON AUDIO SPEECH AND MUSIC PROCESSING 2024年 第1期2024卷 6页
作者: Sheferaw, Gebremichael Kibret Mwangi, Waweru Kimwele, Michael Mamuye, Adane Jomo Kenyatta Univ Agr & Technol Sch Comp & Informat Technol Nairobi Kenya Addis Ababa Univ Sch Informat Technol & Engn Inst Technol Addis Ababa Ethiopia
Speech coding is a method to reduce the amount of data needs to represent speech signals by exploiting the statistical properties of the speech signal. Recently, in the speech coding process, a neural network predicti... 详细信息
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adaptive PREDICTIVE IMAGE-CODING USING LOCAL CHARACTERISTICS
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IEE PROCEEDINGS-I COMMUNICATIONS SPEECH AND VISION 1989年 第6期136卷 385-390页
作者: HSIEH, CH LU, PC LIOU, WG Department of Electrical Engineering Chung Cheng Institute of Technology Ta-Hsi Republic of China
The paper presents an efficient adaptive predictive coding method using the local characteristics of images. In this method, three coding schemes, namely, mean, subsampling combined with fixed DPCM, and ADPCM/PCM, are... 详细信息
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EMBEDDED ADPCM WITH NOISE SPECTRAL SHAPING FOR PACKET VOICE TRANSMISSION
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ELECTRONICS LETTERS 1987年 第5期23卷 239-241页
作者: KIM, HD UN, CK Communications Research Laboratory Department of Electrical Engineering Korea Advanced Institute of Science & Technology Seoul Korea
An embedded adaptive differential pulse code modulation (EADPCM) that may be used for speech coding in a packet network is proposed. In this scheme the quantisation nosie of an ADPCM is reduced significantly by employ... 详细信息
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ADPCM USING VECTOR PREDICTOR AND FORWARD adaptive QUANTIZER WITH STEP-SIZE PREDICTION
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ELECTRONICS LETTERS 1985年 第2期21卷 74-75页
作者: WONG, KHJ STEELE, R Department of Electronics & Information Engineering University of Southampton Southampton UK
An adaptive differential pulse code modulation (ADPCM) system is described having a set of fixed vector predictors, and a quantiser that is adapted in the forward direction with the distinction that its step size is p... 详细信息
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Nonlinear backward ADPCM speech coding using kernel methods and online sparsification
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TRANSACTIONS ON EMERGING TELECOMMUNICATIONS TECHNOLOGIES 2014年 第2期25卷 161-172页
作者: Alipoor, Ghasem Savoji, Mohammad Hassan Shahid Beheshti Univ Fac Elect & Comp Engn Tehran *** Iran
Modeling using neural networks and Volterra expansion are widely used in signal processing to account for nonlinear characteristics inherent in natural signals. In spite of their good performance in a wide range of ap... 详细信息
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WIDEBAND SPEECH COMPRESSION USING CELP AND WAVELET TRANSFORM
WIDEBAND SPEECH COMPRESSION USING CELP AND WAVELET TRANSFORM
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1996 3rd International Conference on Signal Processing(ICSP’96)
作者: Yao Li Ru-wci Dai Jian-jian Feng Yong-gui Xie A1 Lab. Automation Inst.C.A.S. Radio-Electronics Dep. Beijing Normal University
<正>The paper presents a new scheme for wideband speech coding in sub-bands, where the wideband speech signal is sampled at 16kH/ and 16 bits / sample,and the subband decomposition is performed using discrete orthog... 详细信息
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