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音频信号     
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  audio signal
     Hardware Implementation of 7 kHz Audio Signal Codec
     7kHz音频信号编译码器的硬件实现
短句来源
     With the aid of driving control chip SL811HST, according to the USB1.1 protocol, the firmware of AT89C51SND1 microcontroller accomplishes the enumeration of the USB mass memory device, management of the FAT files, realization of the audio files with suffix MP3, decoding MP3 audio stream into audio signal, transition of the analog and digit and deal of the audio quality.
     通过控制驱动芯片SL811HST,按照USB1.1协议,AT89C51SND1的固件程序完成了对U盘的枚举,FAT文件的管理,MP3文件的识别,对MP3音频流进行解码变成音频信号,再进行数、模转换以及音效的处理。
短句来源
     (2)Study the character of audio signal.
     2、研究了音频信号主要时、频特征;
短句来源
     Last, the thesis design the IMDCT software of AC-3 audio decoder based on float DSP TMS320C6701, the result is that TMS320C6701 can decode audio signal and control the system in real time.
     最后,论文设计了基于浮点DSP TMS320C6701的音频解码程序的IMDCT部分,经过测试可以做到实时的解码音频信号和系统控制。
短句来源
     Design of Audio Signal Sample and Processing Based on DSP
     基于DSP的音频信号采集和处理设计
短句来源
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  audio signals
     Digital watermarking in audio signals
     数字音频信号中的水印嵌入技术
短句来源
     EXPERIMENTAL DIGITAL TRANSMISSION OF MULTIPLEXED VIDO AND AUDIO SIGNALS AT 120 MBIT/S"
     120Mbit/S多路视频和音频信号的数字传输实验
短句来源
     A Hi-Fi audio coding algorithm based on wavelet transform is designed,this algorithm can compress 705.6kbit/s Hi-Fi audio signals to the bit-rate of 192kbit/s,160kbit/s,128kbit/s,96kbit/s, and 64kbit/s with good audio qualities.
     本文设计了一种基于正交小波变换的高保真音频编码算法,该算法可以把速率为705.6kbit/s的高保真音频信号压缩到192kbit/s、160kbit/s、128kbit/s、96kbit/s和64kbit/s,并保持重构音频信号的高质量。
短句来源
     A new algorithm for embedding digital watermarking into audio signals based on the discrete wavelet transform(DWT) is discussed in this paper.
     提出了一种在数字音频信号中嵌入水印的新算法,算法首先对数字音频信号作多尺度离散小波变换(DWT),然后在离散小波变换域内通过改变一些中频系数的方法嵌入水印.
短句来源
     Study on Errors of Using FFT to Measure Distortion of Audio Signals
     用FFT测量音频信号失真度的误差研究
短句来源
更多       
  audio frequency signal
     The audio frequency signal includes two types of signals ,speech and non-speech.
     音频信号包括语音和非语音(Non-speech)两类信号。
短句来源
     A Simple and Easy Audio Frequency Signal Generator
     简易音频信号发声器
短句来源
     (3)Study the segmentation and recognition of audio frequency signal. Audio signal can be divided into segments based on zero-crossing rate.
     3、研究了音频信号的分层分割方法,基于短时能量和短时过零率对音频信号进行分类的方法,能够对语音、静音、谐音等进行分类。
短句来源
     Always, the processing of the audio frequency signal is mainly concentrated on speech processing, such as speech recognition and talks identify etc.
     一直以来,音频信号的处理主要集中于语音识别、说话者识别等语音处理方面的研究。
短句来源
     The workstation can also be used for other audio frequency signal analysis, such as noise, traditional Chinese intrumcntal music etc. , since its samping frequency may be up to 20KC.
     工作站的采样频率可以达到20KC,因此它还可以作其它音频信号分析如嗓音分析,民族器乐的分析等.
短句来源
更多       
  sound signal
     (2) Proposes the one-dimension Mallat algorithm and analyzes theapplication of wavelet transform in sound signal.
     (2)推导了一维多分辨分析算法,并对其用于多媒体数据压缩中的音频信号进行分析。
短句来源
     Through experiments, it proved that using average MEL coefficients as characters, DTW arithmetic is an efficient arithmetic for recognizing single sound signal.
     均值MFCC系数作为音频特征,采用动态时间规整识别算法,经过大量实验证明,这种方法能有效地对单一音频信号进行识别。
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  audio signal
For general unsteady motion of such a filament we give explicit formulas that express the velocity at a given point in terms of the intensity of the free vortices entering the audio signal audibility zone constructed for this point.
      
The enhancement involves an audio signal scheme based on carrying out overlap-add sinusoidal modeling at three successive time scales, large, medium, and small.
      
Taking advantage of localization and SNR, the method shows strong robustness against common problems in audio signal processing, random cropping, time scale modification, etc.
      
The audio signal is first preprocessed to scale down the wavelet coefficients.
      
A tree-based method for the recognition of the tonal center or key in a musical audio signal is presented.
      
更多          
  audio signals
The output power of the signals is 10 and 75 W, respectively; the gain of the channel amplifiers is 40 dB; and the amplified signals are the video and audio signals of the TV channel 12.
      
The underlying mathematical concept is approved in the steganography of audio signals [3, 4].
      
High-quality low-complexity wavelet-based compression algorithm for audio signals
      
This study examines the applicability of several signal analyzing methods applied to audio signals to establish relationships between audio signals generated during machining and the surface roughness produced.
      
One-third octave passband filters were also used to condition audio signals acquired during routing of Japanese beech (Fagus crenata Blume) at different machining conditions.
      
更多          
  sound signal
The experimental data reveal a small increase in the duration of the sound signal in proportion to the range with the proportionality factor lower than 0.00025 s/km.
      
Results of the experimental studies of sound signal propagation in the continental wedge of the northwestern Pacific, near the eastern coast of the Kamchatka Peninsula, are presented.
      
Experimental studies of the scattering of a monochromatic sound signal by a rough sea surface are carried out.
      
The second one is the sum of the travel time of the sound signal along the ray cycle and the time delay caused by the side displacement.
      
A new equation was recently suggested by Rudenko and Robsman [1] for describing the nonlinear wave propagation in scattering media that are characterized by weak sound signal attenuation proportional to the fourth power of frequency.
      
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