psychoacoustic

psychoacoustic

1. As the kernel high-quality coding of audio criterion of the standard MPEG-4, MPEG-4 AAC is the most advanced multi-track coding of audio technology of all existing psychoacoustic coding standards.

MEPG-4AAC作为MPEG-4标准中的高质量音频编码核心规范，是目前所有感知音频编码标准中最先进的多声道音频压缩编码核心技术。

2. MPEG-4 AAC LC profile algorithm mainly consists of several modules, such as psychoacoustic module、filterbank module, quantization coding module and bitstream formatter module.

MPEG-4 AAC LC层编码器主要由心理声学模块、滤波器组、量化编码模块、比特流格式器等模块组成。

3. Some of the traditional psychoacoustic concerns involve the perception of pitch, loudness, volume and timbre.

一些传统的心理声学注重对音高、响度与音色的感觉。

4. A robust audio watermarking algorithm using psychoacoustic model

一种应用心理声学模型的鲁棒音频水印算法

5. Audio Watermarking with Self-Synchronization Based on Psychoacoustic Model

一种心理声学模型的自同步音频数字水印

6. Key words: copy protection ; digital watermarking; psychoacoustic model ; energy quantization;MP3 compression

作者简介:王卓（1980-），男，河北辛吉人，硕士研究生．研究方向：数字媒体和无线通讯。

7. Keywords Information hiding;Steganography;Steganalysis;Wavelet;Support Vector Machines （SVM）;Audio;Psychoacoustic model;

信息隐藏;隐写术;隐写分析;小波;支持向量机;音频;心理声学模型;

8. AAC ( Advanced Audio Coding ) is a kind of audio coder using psychoacoustic mode which has the most high efficient and best quality.

先进音频编码方法AAC(Advanced Audio Coding)是目前压缩效率最高,音质最好的音频感知编码方法。

9. Keywords Matching Pursuit,Speech Coding,Speech Enhancement,Sinusoidal Modeling,Pitch Estimation,Psychoacoustic Model;

匹配跟踪;语音编码;语音增强;正弦建模;基音估计;心理声学模型;

10. Sinusoid Analysis Based on Parametric Psychoacoustic Model

基于参数心理声学模型的正弦波分析

11. Study on Algorithms of Low Bit Rate Hi-Fi Audio Coding Based on Wavelet Transform and Psychoacoustic Model

基于小波变换和音质模型的音频编码算法研究

12. Feature Extraction of Underwater Targets Based on Psychoacoustic Parameters

基于心理声学参数的水下目标识别特征提取方法

13. Sound Quality Preference Evaluation for Car Interior Noise Based on Psychoacoustic Parameters

基于心理声学参数的车内声品质偏好性评价

14. Adaptive Audio Digital Watermark Algorithm Based on Psychoacoustic Auditory Model

基于心理声学模型的自适应音频数字水印算法

15. Algorithm of hiding image in audio based on psychoacoustic model

基于心理声学模型的音频隐藏图像算法

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

基于特性响度的心理声学特征在车辆目标识别中的应用

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

对汉英语调作为情感载体的心理声学分析

18. 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.

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。

19. psychoacoustic parameter

心理声学参数

20. psychoacoustic model

心理声学模型

21. Psychoacoustic Model and Its Application to MPEG-2 AAC

心理声学模型及其在MPEG-2AAC中的应用

22. The psychoacoustic model describes how sound can be highly compressed without degrading the perceived quality of the sound.

心理声学模型描述的是声音如何能够在不降低声音感知质量的前提下实现最大的压缩。

23. having used SDFT as the base of the psychoacoustic model instead of DFT;

心理声学模型的谱估计用SDFT谱代替标准建议的DFT谱；

24. Results of psychoacoustic experiment also show that the HRTF without pinnae has almost the same localization effect as the HRTF with pinnae, while has less change in timbre.

心理声学的实验结果表明，新处理方法的声像定位与传统的带耳壳、耳道的HRTF处理无显著区别，但音色较后者有所改善。因而新的方法更适合实际的虚拟声信号处理应用。

25. A simplified psychoacoustic model especially suitable for low cost implementation is introduced, which is proved to significantly reduce the coding com.

指出了一种简化的心理声学模型及其计算方法，适合于低成本编码器的需要。

26. having put forward algorithm which psychoacoustic model based MDCT combined with improved MDCT algorithm, adopted SFM (Spectral Flatness Measure) for computing tonality index;

提出基于MDCT的心理声学模型与MDCT快速算法相结合的算法，并采用SFM（Spectral Flatness Measure）计算音调性索引；

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

提高MPEG心理声学模型简化算法的计算精度

28. An audio watermark algorithm based on psychoacoustic model and wavelet packet analysis which is applicable both to stereo and mono audio is presented.

摘要提出了一种基于声学心理模型和小波包变换的的音频水印算法，适用于立体声音频信号和单声道音频信号。

29. This paper presents a blind audio watermarking algorithm with self-synchronization based on Psychoacoustic Model.

摘要提出了一种基于心理声学模型的自同步音频水印算法。

30. A parametric psychoacoustic model based on critical band rate, level-dependent spreading function, non-linear superposition and forward masking was proposed.

摘要提出了基于临界频带率、依赖于强度的扩展函数、非线性迭加和前向掩蔽效应的参数心理声学模型。

31. Keywords information hiding;digital watermarking;zero watermarking;harmonics retrieval;chaotic;psychoacoustic model;DCT;

数字水印;零水印;谐波恢复;混沌;心理声学模型;

32. This article presented a multifunctional audio digital watermark algorithm based on psychoacoustic model.

本文提出了基于心理声学模型的多功能音频数字水印算法。

33. Audio signal was segmented into frames and the masking thresholds of all sub-bands were estimated by psychoacoustic analysis.

算法将音频信号分帧进行心理声学模型分析,估计频域中各子带的最小掩蔽阈值;

34. The improved scheme achieves a high generality and it could be integrated into the psychoacoustic models applied to other CELP coders.

该算法具有一般性，可以推广到其他CELP编码器的心理声学模型应用中。

35. A new feature extraction method based on auditory model is proposed, which simulates function of human beings ears using the new psychoacoustic research results.

运用听觉心理学的最新研究成果,在3个层次上模仿人耳的处理机理,提出了基于听觉模型的水中目标辐射噪声的特征提取方法。

36. We also tried to design computational models of speech intelligibility based on the previous psychoacoustic experiments.

进而开展言语可懂度理论研究，包括能量掩蔽和信息掩蔽计算模型，以及基于听感知组织的言语可懂度计算模型。

37. psychoacoustic criteria

音质评价准则

38. Keywords audio coding, source coding, psychoacoustic model, wavelet transform, adaptive bit allocation, Hi-Fi Audio;

音频编码;信源编码;音质模型;小波变换;自适应比特分配;高保真音频;