心理声学

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  • psychoacoustics
心理声学心理声学
  1. 提出了一种高效心理声学模型语音质量评价(EPM-SQE)算法。

    A speech quality evaluation algorithm based on efficient psychoacoustics model , EPM-SQE , was proposed .

  2. 基于心理声学模型的高性能语音质量评价算法

    High-Performance Algorithm for Speech Quality Evaluation Based on Psychoacoustics Model

  3. MPEG心理声学模型研究及其Matlab实现

    Research of MPEG psychoacoustic model and its realization using Matlab

  4. 提高MPEG心理声学模型简化算法的计算精度

    Enhancing the Precision of the Simplified Algorithm of the MPEG Psychoacoustic Model

  5. 基于心理声学模型的AVS音频水印算法研究

    The Study of Audio Watermark Algorithm in AVS Based on the Psychoacoustic Model

  6. 基于AVS音频编码的心理声学应用

    The Psychoacoustic Application of AVS Audio Coding

  7. MP3编码之所以能达到1:12的压缩比例,主要在于它是依据心理声学模型的有损压缩。

    Mp3 compress ratio can reach 1:12 mainly because of its lossy compress method depended on psycho acoustic model .

  8. 针对目前音频水印算法研究中自适应性能没有得到重视的问题,提出一种基于心理声学模型II(以下称模型II)的自适应盲检测音频水印算法,令算法具备良好的自适应性和稳健性。

    An adaptive algorithm of audio watermarking , based on MPEG psychoacoustics model II , is proposed to solve this problem . The algorithm is robust to noise attack and MP3 compression .

  9. 对MP3所用到的几个关键技术,如子带滤波、心理声学模型、动态噪声分配等作出简明介绍。

    This paper introduces the key technologies used in MP3 , such as subband filter , psychoacoustical model and dynamic noise allocation .

  10. 在我国最新制定的AVS音频编码标准参考编码器上,分别将该声学模型和MPEG-2AAC音频标准的心理声学参考模型2进行了实现,并将模型输出掩蔽参数以及主观听觉试验结果进行了对比验证。

    An acoustic model based on BS . 1387 applied to latest AVS reference audio coder of China instead of MPEG psychoacoustic model 2 is presented , and corresponding improvements and adjustments are proposed .

  11. 仿真实验表明本文所提算法的性能优于MPEG心理声学模型I和II中的音调检测算法,同时运算复杂度较MPEG心理声学模型II中音调检测算法降低了80%。

    Detection performance is illustrated by simulation and it is shown that the proposed algorithm is superior to traditional MPEG psychoacoustic model I / II tonality detection and the complexity is reduced by 80 % compared to psychoacoustic model II tonality detection .

  12. 这种低延时宽带音频编码框架引用了一些全新的编码模块,比如心理声学模型、频域残差处理、立体声耦合以及高效的Huffman编码模块等等。

    This low delay and wideband audio coding scheme utilizes several modified processing blocks , such as perfect psycho-acoustic model , frequency residual processing , stereo audio processing , high efficient Huffman coding and so on .

  13. 应用等间隔直接单尺度评分法对所采集的20个车内噪声样本进行了主观评价实验,并使用Artemis软件计算了其主要的心理声学参数。

    In this paper , we perform the jury evaluation experiment on 20 car interior noise samples using direct unidimensional rating at equal intervals , and also calculate their main psychoacoustic parameters using artemis software .

  14. 然后,对PEAQ算法的理论基础心理声学模型从人的听觉系统和人耳的感知特性两方面进行了论证分析。

    Then the writer analyses the psychoacoustic model in two aspects of the human auditory system and the perceptive characteristic of the human ear , which are also the main content of the PEAQ algorithm .

  15. 再对心理声学加权规则作最大值小于1的限制,则输入信噪比越大(0dB以上),分段信噪比和总体信噪比提高得越多。

    When a maximum limitation less than one to the psychoacoustical weighting rule is further proposed , the higher the input SNR ( > 0 dB ) is , the more improvement the segmental SNR and the overall SNR have .

  16. 心理声学模型是宽带音频压缩中的核心技术。

    Psychoacoustic model is the kernel technology of wideband audio compression .

  17. 基于心理声学模型和临界频带子波变换的数字声频水印

    Audio watermarking based on psychoacoustic model and critical band wavelet transform

  18. 用心理声学参数对摩托车声音品质的评价

    Voice of Information Evaluating Sound Quality of Motorcycle based on Psychophysiological Parameters

  19. 一种基于心理声学模型的小波包域音频数字水印算法

    An audio digital watermarking scheme based on wavelet packet and psycho-acoustic model

  20. 基于心理声学分析的车内异常噪声辨识

    Identification of Abnormal In-car Noise Based on Psychoacoustics Analysis

  21. 连续运动立体声像的心理声学实验

    Exercise . Psychological Acoustical Test of Continued Moving Stereophonic

  22. 心理声学模型中音调探测算法的改进

    Modifications to a tonality detection algorithm in psycho-acoustic model

  23. 基于特性响度的心理声学特征在车辆目标识别中的应用

    Application of Specific-loundness-based Psychoacoustic Features in Automobile Recognition

  24. 对汉英语调作为情感载体的心理声学分析

    A psychoacoustic analysis of intonation as a carrier of emotions in Chinese and English

  25. 基于心理声学模型数字音频水印算法

    Digital Audio Watermarking Algorithm Based on Psychoacoustic Model

  26. 基于参数心理声学模型的正弦波分析

    Sinusoid Analysis Based on Parametric Psychoacoustic Model

  27. 单侧神经性耳鸣患者的耳鸣心理声学测试分析

    Psychoacoustic Characteristics of Patients with Sensorineural Tinnitus

  28. 总结了人类听觉系统的特点,特别是人类听觉的感知特征以及心理声学模型。

    And we summarize the character of the human auditory system , especially the psychoacoustic modal .

  29. 基于心理声学参数的燃料电池轿车车内噪声评价及噪声源识别

    Interior noise evaluation and noise source identification of a fuel cell vehicle based on psychoacoustic parameters

  30. 随着数字音频发展,心理声学原理应用到音频压缩技术中,使得低比特传输速率和透明音质成为可能。

    Psycho-acoustic principles are applied in digital audio compression leading to low bit rates and transparent audio quality .