Description: 设计了一个高通滤波器，并配音加噪声后用该滤波器滤除，PPT中包含程序和高通IIR滤波器设计的原理-Designed a high-pass filter, and voice plus noise filtering with the filter, PPT contains the procedures and high-pass IIR filter design principle Platform: |
Size: 205824 |
Author:尹晓娜 |
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Description: 使用matlab 编写的具有调整滤波器的参数来处理输入的语音信号使之具有消除噪声的功能，包括FIR和IIR两种滤波器，使用GUI界面。-Prepared with the use of matlab to adjust filter parameters to deal with input voice signal so that they are the elimination of noise features, including two types of FIR and IIR filters, use GUI interface. Platform: |
Size: 7311360 |
Author:呙涛 |
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Description: TMS320C5402语音处理程序，可以实现语音的输入输出，不过里面需要添加一个FIR或者IIR滤波器就更好了-TMS320C5402 voice voice processing can be achieved inside the input and output but need to add a FIR filter or IIR all the better ~ ~ Platform: |
Size: 195584 |
Author:wangkang |
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Description: 这是用切比雪夫实现的IIR带通滤波器，可用于数字图像或语音的处理-This is achieved using Chebyshev IIR bandpass filter, can be used for processing digital image or voice Platform: |
Size: 1024 |
Author:周一 |
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Description: 本文分析了语音数字信号的采集来源以及其预处理。通过实例，利用Matlab对语音信号进行时频变换与分析，同时构造一个固定频率的干扰信号，对两个信号进行合成，设计数字滤波器，实现对语音信号的F IR、IIR滤波处理，最后在时域和频域中对信号进行分析比较。-This paper analyzes the sources of voice digital signal acquisition and its pretreatment. By example, voice signals using Matlab time-frequency transform and analysis, and construct a fixed-frequency interference signals, the two signal synthesis, design digital filters to realize the speech signal F IR, IIR filtering, and finally time domain and frequency domain signal analysis and comparison. Platform: |
Size: 386048 |
Author:孙洋 |
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Description: 首先提取语音信号，并对其加单频噪声，设计IIR滤波器，滤除单频噪声，显示滤除前后时域波形的对比，并播放滤除后的语音信号。-First, extract the speech signal, and add single-frequency noise, design IIR filters to filter out single-frequency noise. Display the time-domain waveform before and after filter, and play the voice signal after filtering. Platform: |
Size: 1024 |
Author:bryanchung |
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Description: 语音的IIR滤波程序，可以实现对语音信号的IIR整型滤波-Voice of the IIR filter program, you can achieve integer IIR filtering of speech signals Platform: |
Size: 1024 |
Author:张少川 |
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Description: 对采集的语音信号进行滤波，谱分析，并进行前后时域和频域波形比较。可选择IIR和FIR滤波器进行高通，低通和带通滤波。-To obtain the voice signal filtering, spectrum analysis, and the time domain and frequency domain waveform and compared. Can choose IIR and FIR filter for qualcomm, low pass and bandpass filters. Platform: |
Size: 7168 |
Author:shaw |
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Description: 语音信号的iir滤波器设计,从带有噪音的信号中提取原始声音.目前，MP3播放器一般功率放大器的工作频率范围就是这个范围。但是大部分有用的和可理解的信息的频率在200到3500Hz之间。所以我们可以在这个范围间滤波，达到使声音可理解的要求。现将数字滤波器的设计指标设为通带截止频率fb=600HZ,阻带频率fc=1200HZ,通带波纹Ap=1dB，阻带波纹As=40dB,要求确定H(z)。-design of the iir filter, get the original voice without noise Platform: |
Size: 7168 |
Author:管春萌 |
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Description: 1 设计FIR滤波器，其中 N=10、
2 用同样的性能设计IIR滤波器
3 测试数据：的语音文件、多正弦波合成文件
4 定点实现，不允许使用float、double-An FIR filter design, where N = 10, 2 with the same performance test data IIR filter design 3: voice file, multiple files sinusoidal synthesis 4 fixed-point implementation, does not allow the use of float, double Platform: |
Size: 484352 |
Author:王艳 |
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Description: 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 low-pass, band-pass filter and FIR low-pass, band-pass filters, respectively, play audio and get the spectrum after filtering. Platform: |
Size: 1921024 |
Author:夏弥 |
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Description: 利用双线性变换法设计一个级联型的椭圆IIR滤波器，对一段含噪语音信号进行滤波去噪处理并根据滤波前后的波形和频谱分析滤波性能。本课程设计仿真平台为MATLAB7.0，开发工具是M语言编程。首先在Windows下用录音机工具录制一段语音信号，并人为加入一单频噪声，然后对信号进行频谱分析以确定所加噪声频率，并设计滤波器进行滤波去噪处理，最后比较滤波前后的波形和频谱并进行分析。-Bilinear transformation method is used to design a cascade elliptic IIR filter, for a period of noise speech signal filtering denoising processing and according to the waveform and spectrum analysis of filtering performance before and after filtering. This course design simulation platform for the MATLAB7.0, development tools is M language programming. First under Windows tool to record a voice signal, a tape recorder and deliberately added a single frequency noise, and then the signal to determine the added noise frequency spectrum analysis, and design the filter for filtering denoising processing, finally compared before and after the waveform and spectrum of filtering and analyzed.
Platform: |
Size: 2048 |
Author:su |
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Description: matlab 读取一段wav格式文件，进行试听，频率检测和语音信号的分析，再进行噪声处理，IIR低通滤波，IIR高通滤波，FIR低通滤波，FIR高通滤波，最后输出处理过的语音信号并试听处理过的语音文件。-Matlab read a wav format file, audition, frequency detection and analysis of speech signals, and noise, IIR low pass filter, IIR high pass filter, FIR low pass filter, FIR high pass filter, finally outputting the processed voice signal and the processed speech audition.
Platform: |
Size: 1207296 |
Author:徐小明 |
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Description: 实现一个数字信号处理的仿真系统 。要求具有界面并实现以下功能：
1）能产生（得到）并选择各种数字信号（sin、方波、三角波、语音、噪声及其叠加）；
2）具有DFT、DCT和小波变换和经典功率谱估计功能；
3）具有设计IIR和FIR低通、高通、带通滤波器功能；
4）能显示时域和频域波形，演示输入信号经过系统得到输出信号过程及频域特性和时间序列。
-Implement a simulation system of digital signal processing. It requires interface and implements the following functions: 1) to produce (get) and various digital signals (sin, square, triangle, voice, and noise superposition) 2) having DFT, DCT and wavelet transform and classic power spectrum estimation function 3) with the design IIR and FIR low pass, high pass, band-pass filter function 4) time domain and frequency domain waveforms, Demos input signal an output signal through the system and the process of frequency-domain and time-series properties can be displayed. Platform: |
Size: 18432 |
Author:zy |
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Description: 7频段IIR贷通滤波器系数计算，语音测试信号生成，均衡器效果展示-7 Band IIR filter coefficient calculation, voice test signal generation, the effect of the equalizer display Platform: |
Size: 1024 |
Author:liouveill |
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