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- DTMF解码 DTMF decode
- 解码 to decode
- DTMF信号解码抗语音干扰研究 Research on DTMF Decoding in Audio Signal Environment
- DTMF Dual Tone Multi - Frequency
- 编解码 encoding and decoding
- 通信DTMF communication DTMF
- DTMF信号 DTMF signal
- DTMF信令 DTMF signaling
- 解码板 decoding deck
- DTMF信号检测 DTMF signal detection
- 变门限解码 variable-threshold decoding
- 双音多频（DTMF） DTMF(Dual Tone Multiple Frequency)
- 注解码 comment code
- DTMF（双音多频） Dual- Tone Multifrequency
- 早期解码 EDEC Early Decode
- 双音多频（DTMF）传输 double tone multifrequency(DTMF)
- 解码波形 decode waveform
- DTMF信号的产生和检测。 Generation and detection of the DTMF signals.
- 解码过程 decode procedure
- 用AVR单片机实现DTMF信号 Generation of DTMF Signal with AVR Microcontroller
