1.
A circuit network or element to vary the frequency response of an audio-frequency circuit, thus varying the quality of the sound reproduction
一种改变音频电路的频率响应能力的电路网络或器件，通过这种改变可以调整声音重放的质量。
2.
set of voice-frequency multiplex telegraph circuits
音频复用电报电路群
3.
Frequency Response to Super-weight Low-pitcked Circuit in Frequency Supplement;
频率补偿式超重低音电路的频率响应
4.
The Research and the Circuits Design of Audio Encode and Decode of DAB;
DAB音频编解码算法研究及其电路设计
5.
The Design and Research of Digital Audio Amplifier;
数字音频功率放大电路的设计与研究
6.
Design of a Thermal-shutdown Circuit for the Audio Operational Amplifier
可用于音频功放的过温保护电路设计
7.
Design of A chopper OPAMP in CLASS-D Audio System
D类音频系统中斩波运放电路的设计
8.
The video signal is directed to the CRT through a sound trap which eliminates the sound-carrier frequency.
视频信号通过声音陷波电路，消除声音载波频率，直达CRT。
9.
Design and Implementation of Demodulation Receiver in DAB
数字音频广播接收机解调电路设计及实现
10.
Design and Implementation of Audio Processor Based on I~2C-Bus Control
基于I~2C总线控制的音频处理电路设计
11.
Application of Audio Magnetotelluric in Geological Engineering Exploration of Railway Tunnel
音频大地电磁在铁路隧道工程勘察中的应用
12.
The Research of Chua's Circuit and Audio Signals on Secure Communications
蔡氏电路和音频信号保密通信的实验研究
13.
General principles of measuring methods of audio power amplifiers for semiconductor audio integrated circuits
GB/T6800-1986半导体集成音响电路音频功率放大器测试方法的基本原理
14.
high -frequency channel
高频电路, 载波电话通路
15.
Series and products of communication circuits for semiconductor integrated circuits--Products of dual-tone multi-frequency circuits
GB/T14027.4-1992半导体集成电路通信电路系列和品种双音多频电路系列品种
16.
The low frequency is very clear and deep, high frequency sound can reach 20KHz due to adopting high class materials and new technology.
电路采用高档材料;高技术设计而成。低频干净而有弹性；高音纤细；全频声音圆滑。
17.
speech plus duplex FMFV telegraph equipment
语音加双工调频音频电报设备
18.
The high-speed digital-to-analog conversion circuit is the core of a high-speed audio cassette duplicator.
高速的D/A转换电路是高速音频复录设备的核心部分。