audio signal

Recognition of Pure Music from Speech Sound-Music Mixed Part of Audio Signal

纯音乐与语音-音乐混合片段的高准确识别方法

There are two kinds of input signals in this encoder: analog audio signal input and serial digital audio signal input.

该编码器的信号输入包括两种类型，模拟音频信号的输入和串行数字音频信号的输入。

The GPS automatic train information broadcast that subject studies start with realizing schemes directly, namely adopt the single-chip system of 51 processors technology, CPLD technology, audio signal process technology etc realize the schemes design.

本课题所研究的有轨列车信息广播系统控制器从直接实现方案入手，即采用51处理器单片机技术、CPLD技术、音频信号处理技术等来实现整个控制器的方案设计。

The watermark embedded in this algorithm is a significant binary image and adaptively embedded according to frequency masking threshold of audio signal. The watermark can be extracted by hypothesis test.

嵌入的水印为视觉可辨的二值图像，水印能根据音频信号的频域掩蔽阈值进行自适应调整，水印的提取采用假设检验的方法。

A Virtual Signal Generator Based on Audio Card and Matlab

基于声卡和Matlab的虚拟信号发生器

Must be wireless, and real-time waveform of the digital audio signal integrity test system.

要求必须无线方式，并且能实时的对数字音频波形信号完整性测试系统。

The amplifier is designed to amplifying the audio signal for the headphone of low-power portable systems.

该放大器主要应用在便携式移动设备领域,向头 戴式 受话器提供放大的音频信号.

It embeds a secret voice into a digital audio signal in order to communicate secretly.

它把秘密语音嵌入到数字音频信号中实现保密通信.

Characteristic of video and audio signal in HD videoconference system

高清晰电视会议系统中视音频信号的特点

The stability against playback speed modification of ZCR ( zero-crossing rate) of audio signal is confirmed by theoretical analysis and experiments.

分析并通过实验验证了音频信号的过零率对回放速度修改这种去同步攻击的稳定性。

Most traditional cough monitor record audio signal which has large amount of data and the algorithm is too complex.

而传统咳嗽监测多采用语音记录及语音识别算法，数据量大，处理算法复杂。

The hardware design and digital audio interface between DSP and AD/ DA are described in detail, and the audio signal processing flow chart and scheme of realizing certain audio effects are analyzed.

详细阐述了硬件系统的构成框图，分析了DSP多通道缓冲串行接口与外部AD、DA之间的音频数据接口设计及软件流程和典型音频效果的实现方案。

The audio signal processing is now widely used in engines and other mechanical equipment fault diagnosis.

声音信号处理目前已经广发的应用于发动机等机械设备故障诊断中。

Well, think about a digital audio signal.

好吧, 先想想数字音频.

Plug the cable in the "Audio Frequency Output" Interface, it may take out the audio signal directly transmit it to TV Input Audio Frequency.

用电缆线插入“音频输出”口，可直接取出音频信号供电视机输入音频信号用。

Each audio signal can be controlled and processed in various ways, such as converting between file formats and applying effects like gain and reverb.

每一个音频信号可以通过不同的方法进行控制和处理，比如在不同文件格式之间的转换，和对效果（如增益和回响）的使用。

FM launcher can change navigating audio signal into frequency modulation signal, and playing.

FM发射器可将导航音频信号转换为调频信号播放.

Blind Convolution Mixed Speech Separation Algorithm Based on Preprocessing of Decorrelation in Time Domain Recognition of Pure Music from Speech Sound-Music Mixed Part of Audio Signal

基于时域去相关预处理的卷积混合语音盲分离算法纯音乐与语音-音乐混合片段的高准确识别方法

The system is designed for real-time transmission of uncompressed multi-channel professional digital audio signal based on the IP layer.

本系统设计基于IP层进行多路专业不压缩的数字音频信号实时传输。

The watermark can be extracted without the original audio signal.

水印检测不需要参考原始音频。

The basic characteristic of multimedia meeting room is able to transmit duplex audio& video signal by the transmitting channel using television technique in real-time.

多媒体会议的基本特征是利用电视技术，通过传输信道在多个地区之间实时传输双向音频、视频信号。

At last, results from same audio signal with noise are given.

最后给出了带噪声时的相同音频信号的识别结果.

Designed a group of experiment in audio filter by using the MATLAB sound processing function as the data conversion interface and using the multimedia player as interactive interface to deepen the understanding of the digital signal processing by comparing the pronunciation effect before and after filtering.

利用MATLAB的声音处理函数作为数据接口，并利用多媒体播放器作为交互界面，设计了一组语音信号滤波实验，目的在于通过对比滤波前后的语音效果来加深对数字信号处理的认识。

Requirements of weak extremely low distortion audio signal to large dynamic amplification.

要求能极低失真地对微弱音频信号进行大动态放大。

The delayer provides the digital interface of AES/ EBU, and could be applied in the digital audio broadcasting system to meet the demand of audio signal ′ s delay in the live broadcasting program.

该延迟器提供AES/EBU专业数字音频接口，可应用于全数字音频广播系统，以满足直播类节目对声音信号的延迟要求。

With the rapid development of computer technology and the digital technology, audio signal processing technology based on the embedded system would be applied to long-distance bus operation and management, a new type of vehicle traveling data recorder would come into being.

在计算机技术和数字技术迅速发展的今天，将基于嵌入式的音频信号处理技术应用到长途客车运营管理过程中，新型的长途客车运营状态记录仪必将应运而生。

Digital Reconstruction of the Audio Signal System in Qingdao MF Transmitting Station

青岛中波发射台音频信号系统数字化改造

Digital audio compression technology provides people an effective method to save and send audio signal.

数字音频编码技术为人们提供了一种有效的音频存储和传输方法.

Audio signal was segmented into frames and the masking thresholds of all sub-bands were estimated by psychoacoustic analysis.

算法将音频信号分帧进行心理声学模型分析，估计频域中各子带的最小掩蔽阈值；

A gradual decrease ( fade-out ) or increase ( fade-in ) of the brightness of an image, or the volume of an audio signal.

图象的亮度或音响强度逐渐增强或 减弱 的现象.