搜索资源列表
Adaptive-filter-code
- 自适应滤波器代码，利用自适应滤波器对音频号进行滤波，从而实现对音频中噪声滤除，使音频信号更清晰-Adaptive filter code, to filter the audio signal by using the adaptive filter, so as to realize the audio filtering noise in the audio signal, so that more clearly
silenceRemoval
- Removal of silence noise in the audio file
SE-PDF
- Only coding parameters of sound generation model • LPC is an example where parameters are a1, a2, …ak , e(n) • Music instrument parameters: pitch, loudness, timbre, …Frequency Masking: If a tone of a certain frequency and amplitude is
cancion1
- noise cancelation using matlab, select your audio file
signal_detector
- A behavioral descr iption of a noise cancellation based on audio detection or RF detection, written in a synthesizable subset of VHDL.
contaminados
- Code to work with audio signals contaminate with white noise
Speech-Enhance
- 采用谱减法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 spectral subtraction implementation code, for voice and audio systems, can be called directly.
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.
threshold
- Finding tone and noise maskers a audio-Finding tone and noise maskers a audio
FM-
- 调频广播中，为了提高音频高频率端的信噪比，在发射端进行的预加重处理。-FM radio, in order to improve the high frequency end of the audio signal to noise ratio, performed at the transmitter pre-emphasis.
sigma-delta-modulation
- 高精度、低功耗模数转换器是当今集成电路设计模拟领域的研究热点之一，采用sigma-delta调制原理和过釆样原理的模数转换器广泛使用在音频、数字网络、电子测量等系统中。此类模数转换器，为降低信号带内的量化噪声功率，而釆用噪声整形技术，为提高模数转换器的信噪比，使用过采样技术，将基带中的量化噪声调制到了高频区域，这样就增加了基带中的信噪比，也就是增加了转换器的有效量化位数，由于采用较高的过采样率，Sigma-Delta ADC的转换速率相对较低，高精度和较低转换速率的特点，使得Sigma-Delt
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.
matlab
- 将带噪声的音频文件中的噪声滤除掉，得到原始音频信号-The noisy audio file noise filtered out to obtain the original audio signal
Noise1
- 将带有高频噪声和频谱搬移的音频，通过频谱搬移和滤波恢复原音频信号-Will move with a high-frequency noise and spectral audio, restore the original audio signal through the spectrum shifting and filtering
Untitled11
- 基于matlab的音频信号采集及噪声信号的滤除，前后信号的频谱对比分析-Based on spectral contrast matlab filtered audio signal acquisition and noise signal, the signal analysis before and after
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
yinpinshuiyingongji
- 一种音频水印攻击方案，加入噪声并进行比较-An audio watermarking attack scenarios, adding noise and compare
shuiyinjiazaosheng
- 在需要检测的音频中加入白噪声序列来检测音频的特性-Add white noise sequence to be detected in the audio features to detect audio
timedomaincharactersticsanalysis
- 设计一个简单的GUI界面，对导入的音频文件进行时域特性分析。计算其时域波形、平均幅度、短时能量、短时过零率。对该音频文件进行加噪处理，分析其时域波形变化。设定一个固定时长，对该音频添加回声并保存为“*.wav”格式文件。 对音频文件的时域分析是对音频文件进行传输、降噪及其他再编辑的基础。其中短时能量可用作清浊音区分的标准和语音起始点的判断。短时过零率可用作判断有声段与无声段和从背景噪声中提取语音信号。 -Design a simple GUI interface that time
zybo_zynq_audio
- Zybo xc7z010 uation board,ssm6203音频编码器，PC端给音频输入，HPH输出口输出过滤噪音的音频，软件：xilinx vivado, vivado HLS, SDK-Zybo xc7z010 uation board, ssm6203 audio encoder, PC end to the audio input, HPH output port noise filter audio software: xilinx vivado, vivado HLS, SD