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Description: ITU提供的G729AB（有sid，vad等功能）的源代码，用于voip的语音编解码使用。-ITU provided G729AB (have sid, vad functions) of the source code for the voice codec voip use.
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Author: tanger |
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Description: matlab开发环境下的谱减法算法，主要用在了作者的语音增强算法当中-development environment under matlab spectral subtraction algorithm, mainly used in the author
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Author: wanghang |
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Description: G729 VAD PCM File Test Tool
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Author: Cris |
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Description: ITU-T G.722.2
国际电信联盟G.722.2建议书，2003年7月版。该建议书是语音通讯领域的压缩标准，被GSM，WCDMA，3GPP等采用，题目为16kbit下的宽带语音编码，使用自适应多率宽带编码。
内容主要有代数码激励线性预测编码(ACELP)，话音活动检测(VAD)等。-This Recommendation describes the high quality Adaptive Multi-Rate Wideband (AMR-WB)
encoder and decoder that is primarily intended for 7 kHz bandwidth speech signals. AMR-WB
operates at a multitude of bit rates ranging from 6.6 kbit/s to 23.85 kbit/s. The bit rate may be
changed at any 20-ms frame boundary.
Annex C includes an integrated C source code software package which contains the implementation
of the G.722.2 encoder and decoder and its Annexes A and B and Appendix I. A set of digital test
vectors for developers is provided in Annex D. These test vectors are a verification tool providing an
indication of success in implementing this codec.
G.722.2 AMR-WB is the same codec as the 3GPP AMR-WB. The corresponding 3GPP
specifications are TS 26.190 for the speech codec and TS 26.194 for the Voice Activity Detector.
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Author: 刘涛 |
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Description: Subject to Doc-Voip-2013
这是瑞典Global IP Sound公司的GIPS语音编解码引擎开发包（无实现代码，只提供库文件与.h文件）。该公司是全球顶尖的语音处理公司，Skype、Logitech、WebEx、TI、QQ的产品中都使用了该公司的语音开发包。
本下载包中包含GIPS的2部分产品：
VoiceEngine
能在最恶劣的网络下为VOIP提供最小延迟、最佳语音质量的软件开发包；
ConferenceEngine
为VOIP服务器软件（会议混音、会议中声音处理）提供支持的开发包；
开发包中还包括：AEC(自动回音消除)、AGC、VAD、DTMF、以及编码转换等各种处理接-Subject to Doc-Voip-2013 This is a Swedish company Global IP Sound GIPS voice codec engine development kit (no implementation code, only library files. H files). The company is the world' s leading voice processing company, Skype, Logitech, WebEx, TI, QQ' s products are used in the development of the company' s voice packets. The download package contains 2 parts of GIPS products: VoiceEngine in the worst under the VOIP network to provide the minimum delay, the best voice quality of the software development kit ConferenceEngine for the VOIP server software (conference mixing, sound processing session ) to provide support for the development package development kit also includes: AEC (Auto Echo Cancellation), AGC, VAD, DTMF, and then encoding conversion and other processing
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Author: x |
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Description: ITU-T G.729 Source codeITU-T G.729 Annex B ANSI-C Source CodeVersion 1.4 Last modified: November, 2000 */TITLE-----Fixed-point description of Recommendation G.729 with ANNEX BCoding of Speech at 8 kbit/s using Conjugate-StructureAlgebraic-Code-Excited Linear-Prediction (CS-ACELP) withVoice Activity Decision(VAD), Discontinuous Transmission(DTX), and Comfort Noise Generation(CNG).SOFTWARE AND INTELLECTUAL PROPERTY----------------------------------This software package is provided as part of ITU-T Recommendation G.729B.Copyright (c) 1996, AT&T, France Telecom, Lucent Technologies, NTT, Rockwell International, Universite de Sherbrooke.All rights reserved.The copy of the source C code, version 1.4, is given under Copyright of the authors, only for the purpose of establishing the specification of a codec.VERSION-------This is version 1.4.-ITU-T G.729 Source codeITU-T G.729 Annex B ANSI-C Source CodeVersion 1.4 Last modified: November, 2000*/TITLE-----Fixed-point description of Recommendation G.729 with ANNEX BCoding of Speech at 8 kbit/s using Conjugate-StructureAlgebraic-Code-Excited Linear-Prediction (CS-ACELP) withVoice Activity Decision(VAD), Discontinuous Transmission(DTX), and Comfort Noise Generation(CNG).SOFTWARE AND INTELLECTUAL PROPERTY----------------------------------This software package is provided as part of ITU-T Recommendation G.729B.Copyright (c) 1996, AT&T, France Telecom, Lucent Technologies, NTT, Rockwell International, Universite de Sherbrooke.All rights reserved.The copy of the source C code, version 1.4, is given under Copyright of the authors, only for the purpose of establishing the specification of a codec.VERSION-------This is version 1.4.
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Author: 丁一 |
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Description: vad代码 用于语音识别的端点检测环节 采用了双门限算法 -link vad endpoint detection code for speech recognition algorithm uses a dual threshold
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Author: 乔林翰 |
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Description: webrtc中的vad代码，单独的vs2008工程，可以运行，供学习研究使用。-it is the vad code from webrtc, it is a program of vs2008, you can run it successfully, and it is very useful for study and research.
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Author: xing |
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Description: vad_directed_by_noise_classification.m
This code is an implementation of VAD algorithm proposed in:
Robust voice activity detection directed by noise classification
please cite the article in your paper:
Robust voice activity detection directed by noise classification, J Saeedi, SM Ahadi, K Faez
Signal, Image and Video Processing, 1-12
the folder is also contained the following
* different noise models for svm
* different sub_functions.
* three speech signal TIMIT dataset and their vad labels
Note that you need to download noise dataset from
http://spib.rice.edu/spib/select.
and libsvm toolbox from
http://www.csie.ntu.edu.tw/~cjlin/libsvm/
It should be mentioned that both speech and noise should be sampled at 8 KHz.
Jamal Saeedi
Amirkabir University of Technology
Electrical Engineering Department-vad_directed_by_noise_classification.m
This code is an implementation of VAD algorithm proposed in:
Robust voice activity detection directed by noise classification
please cite the article in your paper:
Robust voice activity detection directed by noise classification, J Saeedi, SM Ahadi, K Faez
Signal, Image and Video Processing, 1-12
the folder is also contained the following
* different noise models for svm
* different sub_functions.
* three speech signal TIMIT dataset and their vad labels
Note that you need to download noise dataset from
http://spib.rice.edu/spib/select.
and libsvm toolbox from
http://www.csie.ntu.edu.tw/~cjlin/libsvm/
It should be mentioned that both speech and noise should be sampled at 8 KHz.
Jamal Saeedi
Amirkabir University of Technology
Electrical Engineering Department
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Author: Ilya |
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