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voice_speed_change.rar
- 文章介绍了一种对语音进行变速不变调处理的系统" 该系统与ADPCM编解码技术相结合!能更精确地检测和分割(音元)!并通过音元的复制和抽取实现了对播放语速的控制!达到了变速不变调的目的"。该系统用FPGA实现!结果表明：采用改进后的音元处理算法!可以大大减少语音处理中所引入的噪声；该算法与ADPCM相结合实现的语音变速系统!具有速度快、占用资源少、芯片面积小和成本低等特点"。,This paper presents a voice for transmission to the same tune
trieu
- In this paper we present the implementation of a digital lock-in amplifier (LIA) completely based on Labview with a general-purpose data acquisition board (or a high quality sound card) and a high-gain low-noise amplifier
MATLAB-pll
- 风力发电机组噪声测试的MATLAB程序，包换声功率级测试以及声压级测试-MATLAB program, the replacement sound power level testing as well as the sound pressure level testing of wind turbine noise test
Heart-murmur-extraction
- 采用奇异谱主分量分析方法从病理心音信号中提取杂音成对四种常见的病理心音信号进行奇异谱分析，得到各主分量和经验正交函数，选择合适阶次重构正常心音成分和杂音成分。分。-The principal component analysis singular spectrum extracted from the pathological heart sound signals murmur pairs four common pathological heart sound signals Singula
123
- 滤除心音噪声，同时保证心音信号不失真。通过窗函数对心音信号进行低通滤波。-to get rid of the noise of heart sound
Fast-correlation
- 快速相关C程序，主要可应用于声源识别，噪声源定位等方面，本文还介绍了快速相关程序的使用方法，并举出实例。-Fast correlation C program, the main aspects of the sound source can be used to identify, locate and other noise sources, the paper also describes the use of rapid-related programs, citing examples
yonghujiemain
- 基于MATLAB的音效处理器 非常全面 对于初学者很有帮助 对声音音频进行变身 录播 加噪等一系列的处理 -Very helpful for beginners comprehensive series of sound audio processing, such as adding noise turned taped audio processor based on MATLAB
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
tvapm
- 水声通信面临的最困难的问题是多途干扰,其中自多途引起接收信号的幅度衰落,互多途引起接收信号的码间干扰,再加上海洋环境的高噪声背景、低的载波频率、极为有限的带宽以及传输条件的时间—空间—频率变化特性,使得通信过程十分困难。此外，水声通信试验的成本高，难度大，也为水声通信研究带来挑战。 本软件对水声信道的仿真研究很有帮助，可以产生声线图，冲激响应，声速图等仿真文件，结合Matlab画图工具绘制图像，对水声信道的模拟仿真很有帮助。-The most difficult problem fac
ISO3745-2012
- ISO3745-2012 用于声学测试的消声室的建设指标和测试说明手册-Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound pressure — Precision methods for anechoic rooms and hemi-anechoic rooms