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Description: 3rd Generation Partnership Project
Technical Specification Group Services and System Aspects
Mandatory speech codec speech processing functions
Adaptive Multi-Rate (AMR) speech codec
Voice Activity Detector (VAD
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Size: 104641 |
Author: fanren |
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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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Size: 102400 |
Author: tanger |
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Description: 3rd Generation Partnership Project
Technical Specification Group Services and System Aspects
Mandatory speech codec speech processing functions
Adaptive Multi-Rate (AMR) speech codec
Voice Activity Detector (VAD
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Size: 104448 |
Author: fanren |
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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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Size: 728064 |
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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Size: 526336 |
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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Size: 115712 |
Author: 丁一 |
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Description: webrtc基础音频信号处理，以及CNG模块提取，并向其中附加了G7221C编解码器，用于处理7221音频数据和VAD活动语音检测后的CNG包，用于服务器处理流媒体数据，混音等的操作。-webrtc base audio signal processing, as well as CNG module extracts, to which is added G7221C codec 7221 for processing audio data and voice activity detection VAD CNG after package for the server to process streaming data, mixing and other operations .
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Size: 396288 |
Author: 徐伟 |
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Description: Speex是一套主要针对语音的开源免费，无专利保护的应用集合，它不仅包括编解码器，还包括VAD(语音检测),DTX(不连续传输),AEC(回声消除),NS(去噪)等实用模块。(Speex is a set of open source free, patent free application set, which is mainly for voice. It not only includes codec, but also includes VAD (voice detection), DTX (discontinuous transmission), AEC (echo cancellation), NS (denoising) and other practical modules.)
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Size: 901120 |
Author: 谢啦
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