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对输入信号进行频谱分析,可以实现声音的即时采集并分析适合从事音频信号处理和分析。-Of the input signal spectral analysis, can achieve real-time voice fit to engage in collection and analysis of audio signal processing and analysis.
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一个使用matlab进行音频信息处理的实例,对输入的语音信号,进行合成与分析。-Using matlab audio examples of information processing, the input voice signal, to carry out synthesis and analysis.
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可对音频输入、音频文件、位图文件进行频谱分析,显示频谱图
-Of audio input, audio files, bitmap files spectrum analysis shows that the spectrum graph
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用mega8 做的音频分析,能够实时显示mic输入的音频信号波形和频谱。-Mega8 to do with audio analysis to real-time display mic input audio signal waveform and frequency spectrum.
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实现音频信号的输入和对其进行时域与频域的分析-To achieve the audio signal input and its time domain and frequency domain analysis of
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A speech signal filterbank, using melscale frequency and framebanking.- 1. For speech signal can be represented as a discrete sequence of frames (or feature vectors) that can be used as the input to a speech recogniser. Important ideas and technique
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语音记录仪用来分析记录语音波形,以实现微机控制命令的语音输入。设计者完成语音记录仪的硬件和软件设计。任务包括:
1、声波信号通道的设计
2、声波信号采集方法确定
3、10秒钟声波记录数据空间的计算
4、串行通讯RS232口的硬件设计。
5、写出程序流程图及汇编程序。-Voice recorder to record audio waveform analysis in order to achieve computer control commands voice
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音响检测电路分析的情况。8路电压检测模拟输入量,然后输出0,1代码到电脑上-The audio detection circuit analysis of the situation. 8-channel input of the voltage detector simulation, and then output the 0,1 code to the computer
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本文设计的虚拟频谱分析仪的功能包括音频信号信号输入、信号波形分析、信号频谱分析。-This paper, the design of the virtual spectrum analyzer features include audio signal signal input, the signal waveform analysis, signal spectrum analysis.
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The goal of this project is separate the sound mixtures (.wav) to source signal.
-it is an audio blind source separation with independent component analysis.
In the file , it contains correlation.m, decorrelation.m, ica_.m , joint_diag.m, per
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⑴ 铃音检测、计数;⑵ 自动摘挂机;⑶ 密码校验;⑷ 在线修改密码;⑸ 双音频信号解码;⑹ 输入信息分析;⑺ 控制电器开关;⑻ 电器状态查询;⑼ 忙音检测;-⑴ tone detector, count ⑵ Abstract automatically hang up ⑶ cryptographic checksums ⑷ online modify password of ⑸ dual audio signal decoding ⑹ input information analysi
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语音信号进行分析、处理和设计。用MATLAB做变声器的原理是通过改变输入声音频率,进而改变声音的音色、音调,使输出声音在感官上与原声音不同。变声器是借助对声音音色和音调的双重复合改变,实现输出声音的改变。通过自己发声,共振峰频率的改变是基于重采样实现的-Speech signal analysis, processing and design. MATLAB do voice-changer works by changing the input frequency of the sound,
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语音信号进行分析、处理和设计。用MATLAB做变声器的原理是通过改变输入声音频率,进而改变声音的音色、音调,使输出声音在感官上与原声音不同。变声器是借助对声音音色和音调的双重复合改变,实现输出声音的改变。通过自己发声,共振峰频率的改变是基于重采样实现的-Speech signal analysis, processing and design. MATLAB do voice-changer works by changing the input frequency of the sound,
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用matlab进行双音频电话的频谱分析 。从输入的音频信号中,读出电话的编码-Using matlab for spectral analysis of dual-tone phone. From the input audio signal, the read out encoding telephone
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The National Instruments PCI-4472 and
PXI-4472 are 8-channel dynamic signal
acquisition devices for making high-accuracy
audio-frequency measurements. The
PCI-4474 is a similar 4-channel board.
The vibration-optimized NI PXI-4472B offers a
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对输入的音频文件(wav)分析短时动态特征,生成MFCC频谱,并绘制spectrogram-The input audio file (wav) analysis of short-term dynamics, generate MFCC spectrum and draw the spectrogram
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实现了DSP5416硬件开发板上的实时音频滤波效果,试验验证通过。音频由音频口输入,可在耳机输出口听到滤波之后的效果,以及电脑上录制处理之后的波形进行分析。-DSP5416 hardware development board to achieve a real-time audio filtering effect, experimental validation through. Audio from the audio input port can be heard in the head
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内容摘要:
一方面通过视频、音频或超声波等以及可能的所有的输入信号,进行分析,得到对象、属性、及其对象之间的能动关系,保存到数据库,以形成AI的知识库。 另一方面根据赋予AI的人为目的,AI自动将知识库中的数据进行匹配、组合,来达到目的。-Abstract:
On the one hand through video, audio or ultrasonic, and possibly all of the input signal, the analysis, objects, pr
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labvindows写的,能够对输入的音频信号进行时域和频域分析-Labvindows writing, able to input audio signal in time domain and frequency domain analysis
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由于科学技术的飞速发展,使银行卡的使用范围不断扩大,因而出现银行卡用卡安全问题 。本文主要介绍了银行卡密码泄露漏洞,对利用录音设备对手机、电话等按键式密码输入终端进录音盗取银行卡密码的不法行为进行技术分析,利用MATLAB软件编程对按键式密码输入终端的按键音进行音频分析,基于短时能量和过零率对所采集的音频文件进行端点检测,提取出单个拨号音,然后对处理后的音频进行频谱分析、对比,从而识别按键式密码输入终端的按键音。-Due to the rapid development of science a
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