Design of an audio signal collector based on DSP with high fidelity;
基于DSP的高保真音频信号采集器设计
The Development of a Soft Digital Spectral Analyzer for Audio Signals;
音频信号软件频谱分析仪设计
Blind separation of mixed audio signal based on FastICA
基于FastICA的混合音频信号盲分离
In the emitting part of the system, the audio frequency signal is modulated through frequency modulation while the receiving part restores the primitive audio frequency signal.
系统中的发射机单元采用调频方式实现音频信号的调制而接收机单元对调频信号进行解调 ,恢复出原始的音频信
Signal Analysis Based on Cantor Set and the Application of Cantor Set in Acoustic Signal of Vehicle Model Recognize;
信号的康托尔分析及其在音频信号车型识别中的应用
Compared with vibration signals,acoustic signals can be collected with non-contact sensors,so as to be convenient and cheap.
轴承音频信号包含了大量的运行状态信息,与振动信号相比,音频信号的采集是非接触式的,具有使用方便和成本低廉等优势。
On the basis of combining theory with practice, bearing fault diagnosis by acoustic signals based on Hidden Markov Model (HMM) is researched systematically in this paper.
(1)轴承音频信号包含其运行状态的重要信息，通过分析这些信息就能对轴承进行有效的故障诊断，而且音频信号能够非接触式采集，具有使用方便、成本低廉等优点。
This paper solves the problem by adaptively replacing the redundant audio signals with the chaotic synchronization signals,and presents a chaotic encryption scheme for digital audio streams.
提出一种数字音频的混沌加密方案,通过把音频信号的冗余信息自适应地替换成混沌同步信息,从而有效地解决了混沌同步信号的传输问题,并在解密时获得容许误差范围内的混沌同步,进而恢复出密钥序列进行解密,最后将丢失的冗余音频恢复得到最终解密音频。
This paper puts forward a new audio information hiding algorithm,namely partial phase division correcting method based on hearing perception experiments of wideband audio signals,which is for partial phase distortion conditions under no hearing perception difference.
针对听觉感知无差异时的局部相位失真条件,在宽带音频信号实验的基础上,提出一种利用局部相位分区实现信息隐藏的新算法。
This article briefly describes the characteristics of the series of chips and how it works and then puts forward by PC audio output interface and RS232 serial interface,combined with a single-chip ISD4000 series recording a voice chip bulk after all kinds of audio signals,and allows any section of the audio output.
文章介绍了该系列芯片的特点和工作原理,然后提出通过PC机的音频输出接口和RS232串行接口,结合单片机实现ISD4000系列语音芯片批量录制各种经过处理后的音频信号,并可实现对任意段音频输出的方法。
Talking about the Digitalization of Video and Audio Signals and Source Encoding
视频及音频信号的数字化与信源编码
A Method of High Frequencies Reconstruction of Audio Signal Based on Reconstructed Octave
一种基于重构八度音的音频信号高频重建方法
Musical Istruments Signal Study Based on the Bayesian Algorithm;
基于贝叶斯算法的乐器音频信号研究
The Multichannel Real-time Audio Signal Processing System Based on TMS320C6713 DSPs;
基于TMS320C6713DSPs的多路实时音频信号处理系统
A Self-Adapting Method of Audio-Based Retrieval and Location;
基于音频信号的检索定位自适应方法
The Optical-Fiber Transmission System of Multiple Audio Digital Signals
多路音频信号的数字化光纤传输系统
The Audio Signal Processing and Implement of HDMI Chip
HDMI芯片中的音频信号处理及实现
Implementation of audio signal acquiring and processing with FPGA
音频信号采集与处理系统的FPGA实现
A Audio Fault Diagnosis Method Of DHMM For Ball Bearings Based on DSP
DSP环境轴承故障DHMM音频信号诊断方法
Blind separation of mixed audio signal based on FastICA
基于FastICA的混合音频信号盲分离
Design of Audio Frequency Analyzer Based on Single Chip Computer
基于单片机的音频信号分析仪的设计
Research of real-time audio signal processing based on DSP5410 and TLC320AD50C
基于DSP5410与TLC320AD50C的实时音频信号处理研究
Designing of virtual volume signal analyzer based on LabView
基于LabView的虚拟音频信号分析仪设计
Technological Realization of Audio Signal Processing Based on MATLAB
基于MATLAB的音频信号处理技术实现
Frequency signal data acquisition system based on the USB interface
基于USB接口的音频信号采集系统设计
Continuous Gaussian mixture HMM based acoustic fault diagnosis scheme for bearings
基于CGHMM的轴承故障音频信号诊断方法
The lower the tone frequency the less audible it tends to be.
当然，这些音频信号的频率越低，越难被听到。
Tone or Pulse Dialing
设置音频或脉冲信号