音频效果

本文介绍和设计的基于DSP的数字音频效果系统可对输入信号进行高速处理，产生各种常用的效果，并且这些音频效果可选、参数可调、使用方便直观。

The digital audio effects system based on DSP discussed and designed in this article can process the input signal fast and produce all kinds of audio effects which the can be selected and used easily with all the control parameters .

影响视频会议系统视音频效果的因素分析

Analysis on the Impact Factors on Video and Audio Effects of the Video Conference System

本文重点研究了基于DSP的数字音频效果器实现和对扬声器频响特性均衡实现。

This paper presents in detail a DSP digital audio processor and frequency response equalizer of the speaker .

描述了一种基于Nios软核的音频效果器。

A kind of audio effect processor based on Nios is introduced .

基于Nios软核的音频效果器

Audio Effect Processor Based on Nios

该音频效果器利用FPGA强大的逻辑控制性结合Nios软核的灵活功能，不仅可以方便实现功能修改、添加，而且也大大降低了成本。

By combining logical control of FPGA and the flexibility of Nios , the functions of effect processor can be easily modified and added , and its cost is de - creased drastically .

会议电视应用越来越广泛，但音频效果却没有得到明显的提高。

Conference system is widely used , but audio effect is not good .

深入研究音频效果处理及其数字音频效果处理的算法的实现。

Studied DSP algorithms in digital audio processing .

设计了一种基于TMS320VC5402DSP的数字音频效果器，可产生法兰、合唱、镶边、延时和厅堂的自然混响等各种效果。

In this paper , a design based on DSP is proposed for digital audio effect generator , which can produce such effects as flanging , chorusing , delay and reverberation .

实验结果显示，基于SVM的音频分类算法分类效果良好，平滑处理后的音频分割结果比较准确。

Experiment results show that SVM performs very well for au - dio classification and segmentation accuracy is good with the proposed three smooth rules .

根据音频段的分类效果，不同强度的水印分量被嵌入到不同音频段中的部分DCT低频系数中。

Components of watermarking with different strength are embedded into the parts of low frequency DCT parameters in different audio segment according to the classification results .

BMW5系和7系还为驾驶员提供了控制显示器的图像表示法，增强了音频报警信号的效果。

Drivers of the BMW 5 and 7 Series can also avail of a diagrammatic representation in the Control Display , supplementing the audio warning signal .

设置多少，引擎在音频源上有效果。

Sets how much the engine has an effect on the audio source .

只需少量代码即可对音频流产生明显效果。

A small amount of code can have dramatic effects on the audio stream .

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 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 .

系统包括话机按键双音频信号识别、圆轮廓形状误差谐波分析、数字音频效果及原理性演示实验等。

The system includes the dual-tone multifrequency signal detection module , the musical sound processing module , the harmonical analysis module of circularity and many other demonstration modules .

SBR是一种新型的音频编码技术，可以用相对低的比特率达到高质量的音频效果。

SBR is a novel audio coding technology , which can obtain high quality audio using lower bit rate .