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音乐信号     
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  music signal
     A study of constant Q transform in music signal analysis
     音乐信号分析中常数Q变换的性能研究
短句来源
     Theory and practice ot music signal in delta modulation of adaptive weighted network
     音乐信号自适应加重网络增量调制的理论与实现
短句来源
     First,the author of this paper has implemented C language simulation according the algorithm and got the satisfying quality of the reconstructed music signal.
     作者据此标准完成了计算机C语言模拟仿真,获得满意的重建音乐信号质量。
短句来源
     Music signal is adaptively filtered by real-time with DSP. color lights will flash with variety of music interval and tone. TI TMS320C50 DSP is mainly used for realization of seeing and hearing music.
     讨论了可视化彩色音乐系统的构成及原理,利用DSP对音乐信号进行自适应实时数字滤波处理,使彩灯随音乐的节拍而闪动,用TITMS320C50DSP实现音乐信号的视听感官。
短句来源
     The system requires two improvements: (1) the ability to counter the severe communication condition of low-voltage power line and (2) the ability to transmit music signal.
     系统还需要在两个方面进行改进:(1)抵抗低压电力线恶劣通信状况的能力; (2)适合于音乐信号的传送。
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  musical signals
     2. After studying the musical theoretics, the musical conceptions, the methods to describe the musical features and the theoretics of musical signals analyzing, some signal processing conceptions and algorithms and signal features about music tone extracting is presented.
     2) 学习研究了音乐乐理知识、音乐的相关概念、音乐特征的表示方法及相关音乐信号分析知识,对音调提取所用到的相关信号处理的概念、算法和信号特征进行了详细描述。
短句来源
  musical signal
     An Acquisition Method for Digital Musical Signal
     数字音乐信号的一种采集方法
短句来源
     Pitch tracking algorithm based on autocorrelation measurement in time domain was used to extract melody from music clips. Different acoustic musical signal frame segmentation approaches were evaluated.
     使用基于时域自相关测量的音调追 踪算法进行音乐片段的旋律提取,评价了对于声学音乐信号的不同帧分割方法的实验。
短句来源
  music signals
     Digital Music Signals Processing Using Digital Signal Processor
     用DSP实现音乐信号的数字处理
短句来源
     In this paper,a low bit rate speech coding algorithm based on wavelet transform is given It has the features of low bit rate (less than 3kbps)、wide applicability、high quality and no artificial noises ,and is effective not only to speech signals but also to music signals It will help to implement low bit rate wideband audio coding,and is significant to the high efficient transmission and store of information.
     本文给出了一种基于小波变换的低码率语音编码算法,它具有码率低(小于3kbit/s)、适用范围广、音质好、无人工噪声等优点,不仅对语音信号而且对音乐信号也有效,有助于实现低码率宽带声音编码,对信息的高效传输和存储有重要意义。
短句来源
     Constant Q transform(CQT) has advantages in pitch analysis of music signals,due to its exponentially spaced center frequencies.
     由于采用指数分布的频域采样点,常数Q变换(ConstantQTransform—CQT)在音乐信号的音调分析中有着独特的优点。
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      music signal
    This paper gives a MUSIC signal DOA estimation algorithm based on the modified high-order cumulant matrix which is constructed by the received data and their conjugate rearrangements.
          
    Additionally, the Reference 8 amps have a tendency to amplify the residual noise in one's system when a music signal is not present.
          
    A chord/acoustic token in a music signal is just like a term in a document.
          
    For the timefrequency analysis part, a technique is proposed which aims at measuring the degree of accentuation in a music signal.
          
    However, all these conditions and characteristics are not representative of a normal music signal.
          
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      musical signals
    Experimental transmission of two musical signals is reported.
          
    Since musical signals may contain noise and distortion, detection results can be erroneous.
          
    Applications of the continuous wavelet transform in the processing of musical signals.
          
    A bottom-up part in which musical signals are processed into auditory images of different kinds.
          
    A method has been described which can successfully estimate the meter of acoustic musical signals.
          
    更多          
      musical signal
    Continuous frequency and phase spectrograms: a study of their 2D and 3D capabilities and application to musical signal analysis
          
    An application case of musical signal analysis is reported.
          
    A computer system for the automatic detection of perceptual onsets in a musical signal.
          
    Computer modeling of Sound for Transformation and Synthesis of Musical Signal.
          
    In this section, we use the OAD algorithm to detect abnormalities in a musical signal.
          
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      music signals
    Then, we present typical solutions of such tasks related to music research, namely for organization of music collections, transcription of music signals, cognitive psychology of music, and compositional structure analysis.
          
    This algorithm appears to be effective for both speech and music signals.
          
    If this is appropriate for polyphonic music signals, specific approaches are needed for systems dealing with percussive audio signals such as those produced by drums, tabla or djembé.
          
    Monitoring the Formation of Kernel-Based Topographic Maps with Application to Hierarchical Clustering of Music Signals
          
    A temporal framework facilitates the cut-and-paste operations and editing of music signals.
          
    更多          


    This paper analyzes the theory and practice of mnsic signal in delta modulation of adaptive weighted network. Transfer function expression for adaptiveweighted network was derived from theory and weighted curve of music signal was described. Conclusion increasing 7dB S/N at 3KHz operation frequency is given

    本文分析了音乐信号自适应加重网络增量调制(ΔM)的原理和适用性,从理论上推导了自适应加重网络的传递函数表达式,且描绘了音乐信号的加重曲线,并得出了在工作频率为3KHz可提高信噪比约7dB的结论。在文章的最后给出了整个自适应加重网络实现的具体框图和部分电路。

    This paper begins with a general review of the near-instantaneously

    从叙述音乐信号的准瞬时压缩编码方法(NIC)开始,对其进行理论分析,推导了量化信噪比的数学公式,并由计算机算出量化信噪比的曲线,从理论上证明NIC比13折线A律压缩方式在信噪比方面高12dB。文中提出采用TMS32010数字信号处理器(DSP)实现NIC处理硬件组成和软件设计,通过实验证明,该方案和设计是可行的。

    A adaptive delta modulation(ADM) and demodulation system which can process the broadband signals is realized, and a series of studies for the system is given. The experimental results are closed to the theory analysis. In the working band 10Hz~10kHz of the system, it has a good ability of response. Its sampling rate, step nuamber and the number of remembering bits can be adjusted for various applications. For example, it can process the signals of speech, music, seismic data and so on.

    实现了处理宽频带信号的自适应增量调制(ADM)及解调系统,并对该系统进行了一系列研究,实验结果与理论分析基本一致,系统在10Hz~10kHz工作带宽范围内具有良好的响应能力,其采样率、步长数和记忆比特均可变,适合不同条件下的应用要求。本研究在音乐信号处理实验上获得了满意的结果,对于语音、地震等信号的处理亦具有广泛的应用前景。

     
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