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。
Position measuring instrument and method, navigation instrument and method, information service and audio-frequency information transmit-receive method.
位置测量仪器和方法，导航仪器和方法，信息服务及声频信息收发方法。
So, it has very wide applied fields and very important theoretic meaning to study, design and develop audio-frequency measurement technique to measure audio-frequency electric parameters.
因此，研究中频电参量的测量方法，设计和开发中频范围的电参量测量仪器，不但具有广泛的应用领域，而且还具有十分重要的理论意义。
Contributing to the file size, in order of importance, are the parameters that set the video bit rate, audio sample frequency, audio bit rate, then frame size.
对文件大小的贡献，按重要性的顺序，依次是视频比特率、音频采样频率、音频比特率，然后是帧速。
The invention discloses an output controlling means of audio frequency apparatus.
本发明公开了音频设备的输出控制方法。
The outlook of high frequency switch power supply in application to high fidelity audio frequency power amplifier is indicated.
指出了高频开关电源在高保真音频功率放大器中广阔的应用前景。
Always, the processing of the audio frequency signal is mainly concentrated on speech processing, such as speech recognition and talks identify etc.
一直以来，音频信号的处理主要集中于语音识别、说话者识别等语音处理方面的研究。
High-performance data acquisition is needed in some high speed and high precision measurements when signal measurements, image manipulation and audio frequency signal process are taken.
在信号测量、图像处理、音频信号处理等一些高速、高精度的测量中，都需要进行高性能数据采集。
Existing predominantly, in the Very Low frequency part of the radio spectrum that corresponds with the audio frequency range, we can experience this activity as audible sound.
尽管这种活动主要存在于无线电声音频率分区的超低频区域，我们还是能够通过听觉来捕捉到它。
The problems in its application on audio frequency power amplifier and the main methods to solve them are pointed out.
分析了高频开关电源的特点及将其应用到音频功率放大器中所遇到的主要问题，以及解决这些问题的基本方法。
Audio frequency enlarge, video deal with, power manage and mix the thick membrane integrated circuit.
音频放大，视频处理，电源管理混合厚膜集成电路。
The dielectric coefficients of hematite ores measured in audio frequency range are always large in value, and show that hematite is a special dielectric.
在声频范围内测得赤铁矿介电系数值较大，说明它是一种特殊的电介质。
Purpose: Audio frequency amplifier applications.
用途：用于音频放大。
Purpose: Audio frequency amplifier, driver stage amplifier applications.
用途：用于音频一般放大，驱动级放大。
The device, dubbed the "Weapon of mosquito Destruction", can detect the audio frequency created by the beating of mosquito wings and kill the pest with laser beams.
该装置被称作“蚊子杀伤性武器”，通过探测蚊子扇动翅膀产生的音频锁定蚊子，并发射激光杀死蚊子。
Next, elaborated the audio frequency numeral watermark algorithm basic principle, the model and the realization process.
其次，阐述了音频数字水印算法的基本原理、模型及实现入程。
It includes the MEPG2 demodulation module, the numeral regards the audio frequency coder and the conditional access module and so on.
它主要包括MEPG2解调模块、数字视音频编码器和条件接收模块等。
The audio frequency file is built by the method of modeling and coding.
音频文件的产生通过建模和编码的方法实现。
The gathering and controlling of high speed data of audio frequency by CPLD and the logic design of interface are introduced for underground water leakage detecting instrument.
介绍了在地下漏水探测仪中用CPLD实现高速音频数据采集控制及与单片机的接口逻辑设计。
Support coaxial digital audio frequency output.
支持数字音频同轴输出。
INTERVENTIONS: The pronunciation with different audio frequency at thoracic sound area of 120 normal subjects were examined by EGG.
干预：利用电声门图对120例正常人在胸声区以不同音频发音进行检测。
The latch phase circle circuit NE567 functions as phase demodulation of audio frequency signals for realizing decoding output of the control signals to control the downhole motor operations.
应用锁相环集成电路ne567对音频信号的鉴相原理实现对控制信号的译码输出，控制井下仪器马达工作。
This paper introduces the principle and tested results of measuring nodulizing grade by audio frequency method.
介绍了音频法检测铸件球化级别的原理及试验结果。
By monitoring system as example, Ann based on Ethernet defend the system, Ann defends the audio frequency and video information in the system to transmit the comprehensive wiring network.
本文以安防监控系统为例，提出一个建立在以太网上的安防系统，用综合布线网络传输安防系统中的音视频信息。
The technique of audio frequency slag melting has been exploited for top and bottom combined blown converter in 150 t combined blowing converter of Tangshan Iron and Steel Company.
在唐钢150t复吹转炉上开发出适用于百吨以上顶底复吹转炉的音频化渣技术，并根据音频曲线实现了转炉吹炼操作的量化分级管理。
The IEEE1394 interface has the good physical property and the high speed data transmission capacity, extremely suits the numeral regards the audio frequency data transmission.
IEEE1394接口具有良好的物理特性和高速数据传输能力，非常适合数字视音频数据传输。
It can transmit audio frequency signal and video frequency signal at the same time.
本系统能同时传送视频和音频两路信号。
These two audio form compression technology have different advantages in Microsoft company of media technology. WMA only use for compress audio frequency data. Acoustic fidelity is similar to MP3.
微软公司的这两项音频压缩技术各有优点，WMA是在微软窗口媒体技术中只用于压缩音频资料的技术，音质类似MP3。
These two audio form compression technology have different advantages in Microsoft company of media technology. WMA only use for compress audio frequency data. Acoustic fidelity is similar to MP3.
微软公司的这两项音频压缩技术各有优点，WMA是在微软窗口媒体技术中只用于压缩音频资料的技术，音质类似MP3。
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