振鈴音 的英文怎麼說
中文拼音 [zhènlíngyīn]
振鈴音
英文
ring back tone-
Audible ringing tone
可聞振鈴音The maximum gain - before - feedback is the most amplification of the sound before the sound system goes into feedback and starts squealing
最大反饋前增益,就是音箱開始嘯叫,或者出現振鈴效應時候的增益。This volume setting control how loud the system will sound the incoming call ring when auto answer is turn off
當系統的自動應答功能被關掉時,鈴聲控制系統接收來電時振鈴的音量大小。Telephone circuit produce dtmf signal, receive ring signal and perform speech function. dtmf receiver lets it becomes binary code for mcu to read. analog circuit process speech signals between phone and gsm modem
固話電路提供產生的雙音多頻信號及振鈴和通話功能,雙音多頻收號電路將dtmf信號變成二進制碼,便於mcu的識別和處理。分享友人