搜索资源列表
BICO_irid
- This function calculates a room s impulse response for an arbitrarily positioned sound source in a rbitrarily dimensioned rectangular room, as it would be heard at an arbitrary position. The output of RIR.m is a vector and can be used as an FIR filte
AM-RADIO
- This m-file simulates the operation of the heterodyne section and demodulating section of a garden variety AM receiver. An array is created that represents the superposition of three separate RF carriers, each modulated at a different audio
FIR_LPF
- 给音频叠加一个20dB的噪声，再通过一个滤波器滤除噪声-Give a 20 db of noise added to the audio, to filter out noise through a filter
ControlVolume
- 通过filter控制PCM音频音量的大小 输入输出PCM格式-The filter used to control the volume of the audio
rcosflt_Jamming
- 1、根据干扰总功率要求，在PSK调制信号带宽内产生单音干扰和多音干扰信号，并叠加到产生的信号源上。 2、将收到干扰的信号进行频率搬移到基带，然后通过匹配滤波器以及解调过程得到信息，统计误码率并与真实信息的解调误码率进行对比，评估音频干扰对PSK信号的干扰效果。 -1, according to the total power requirement of interference generated tone signal interference and multi-tone inte
FilterAnalyse
- 分析video / audio 数据流的pts以及每个数据包长度，以便处理不同步问题-paser pts for audio/video filter, help to handle sync problems
watermarking
- watermark，很全很基础的数字音频水印处理，盲检测和非盲检测，经过滤波器处理后的检测-Watermark, digital audio watermarking are all very basic, blind detection and non blind detection, the detection filter after treatment
mp3
- mp3，mp3压缩过程，感知域音频编码，滤波器处理，信噪比-Watermark, digital audio watermarking are all very basic, blind detection and non blind detection, the detection filter after treatment
Voice_frequence
- 这是一个利用DSPIC33FJ64MC802芯片进行音频AD采样以及FFT变换（得到功率谱）并将得到的数据进行串口发送的程序。该程序用于一个声音功率谱分析的设计中。 使用时需要配合外围的放大，滤波，加法器，以及电源等其他电路。并结合自编的上位机软件进行显示。 在Microchip给出的FFT函数中，256点FFT变换存在问题，无法得到正常数据。这是由于旋转因子表的错误造成的。本程序已经对其作出了修正。同时在功率谱计算的函数中，也作出了一些优化，在测量较小的幅值时，结果会更加理想。 本
Wiener_Filter
- Wiener filter enhances quality of audio signal
filtrolm
- Example of LMS filter for audio signals in matlab
Speech-Enhance-Winner
- 采用winner的语音降噪实现代码，适用于语音和音频系统中，可直接调用。-Speech noise reduction using Winner filter implementation code, for voice and audio systems, can be called directly.
q4
- 利用多相滤波器完成对音频信号的处理，包括完整的注释。-Polyphase filter complete audio signal processing, including full comments.
yinpin-xinhao-fasheng
- 利用单片机定时器产生高低电位各0.5毫秒的方波，该方波再经二阶滤波变成1K赫兹的正弦波，即为音频信号-To produce high and low potential of each 0.5 ms using SCM timer Fang Bo, the square wave and then by two order filter into 1K Hz sine wave, namely for audio signal
yinyuehunxiang
- 为一篇设计报告，篇末附有代码。用MATLAB实现一段音频的混响处理。运用多种滤波器实现混响、延时、加噪音效果。-As a design report, at the end of the article with the code. MATLAB an audio reverb processing. Using a variety of filter achieve reverberation, delay, and the noise effect.
umplayer-code-181
- UMPlayer是一款出色的开源免费媒体播放器。，优化了相关设置，，使用MPlayer做为后端引擎。凭借先进的内置解码器，它能够轻松的播放任何媒体格式，包括音频CD/DVD/(S)VCD，在线流媒体以及TV卡输出，甚至还能播放不完整的媒体文件。 UMPlayer的界面简单直观，支持多国语言（含简体中文）。它还拥有众多的鲜明特性，例如：支持Windows、Linux、Mac等系统，有免安装便携版，可更换皮肤的界面，内置字幕搜索引擎，音频/字幕同步处理，增强的渲染过滤器和YouTube录播
sheji
- 先对语音信号进行采集、播放，分析其频谱，对该信号源添加噪声，再播放音频并分析频谱，然后分别通过IIR低通、带通滤波器和FIR低通、带通滤波器，分别播放音频和得到滤波后的频谱。-Firstly， voice signal acquisition, play, analyze its spectrum to add noise to the signal source, and then play the audio spectrum analysis, and then were by IIR l
ex1_finalversion
- 数字信号处理中简单的音频特效处理，回声，变调、低通滤波、高通滤波-Digital signal processing simple audio effects processing, echo, pitch, low pass, high pass filter
28726
- 截取一段音频信号作为输入信号，分别通过低通，高通和带通滤波器，比较滤波效果。-Interception of an audio signal as an input signal, respectively, through a low pass, high pass and band-pass filter, compare filtering effect.
86592346
- 源信号由一段音频组成，利用雷米兹交替算法，设计一个线性相位低通FIR数字滤波器。-An audio source signal is composed of alternate use Remez algorithm, design a linear phase low-pass FIR digital filter.