single-channel recorder

This circuit utilizes single chip microcontroller and its interface circuit to link telephone with recorder so as to realize automatic recording and achieve intelligent result.

利用单片机及其接口电路把电话机和收录机结合起来，实现自动录音达到智能化的效果；

Record with a tape recorder. stereo radio cassette recorder with single detachable speaker system

用磁带录音机录制声音。单分离音箱立体声盒式收录机

This article introduce a method to integrated following functions in a single module: DTMF/ MFC Codec, 2:1 ADPCM speech Codec, IVR, recorder, telephone conference, all these could work simultaneously in 32 channels.

本文提出了一种方案，可以在一个模块上实现32路DTMF/MFC信号的接收、发送，ADPCM语音压缩解压缩、IVR、录音，电话会议。

This system contains all necessary control and data circuitry to interface with CRT, standard ASCII keyboard, matrix line printer, EPROM programmer, dual single side double density floppy disk drive, cassette tape recorder, etc.

系统具有各种必要的控制及数据线路，可以与CRT、标准键盘、针型行打、EPROM编程器、单面双密度软盘驱动器、盒式磁带录音机等相接。

Design of automobile driving recorder based on single chip microcomputer

基于单片机的汽车行驶记录仪的设计