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Description: 经典的带内音频dtmf产生和检测的c语言源码，检测准确率相当高-classic band audio DTMF generation and detection of c-source language, detection accuracy rate is very high
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Size: 2048 |
Author: 加内特 |
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Description: 检查inband tone的算法，原始的pcm包中检查dtmf包-Inband tone to check the algorithm, the original package pcm DTMF packet inspection
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Size: 2048 |
Author: 陈全勇 |
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Description: 双音多频 DTMF（Dual Tone Multi Frequency），双音多频，由高频群和低频群组成，高低频群各包含4个频率。-Dual-tone multi-frequency signaling (DTMF) is used for telecommunication signaling over analog telephone lines in the voice-frequency band between telephone handsets and other communications devices and the switching center. The version of DTMF that is used in push-button telephones for tone dialing is known as Touch-Tone. It was developed by Western Electric and first used by the Bell System in commerce, using that name as a registered trademark. DTMF is standardized by ITU-T Recommendation Q.23. It is also known in the UK as MF4.
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Size: 47104 |
Author: daiyueyue |
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