| 1. | Acoustics vocabulary . physiological acoustics and psychoacoustics
声学词汇.物理声学和心理声学 |
| 2. | The knowledge of physiological acoustics and psychological acoustics is the basis of the research of 3d sound technology
对人类生理声学和心理声学的了解是研究三维声音技术的基础。 |
| 3. | In this dissertation , psychoacoustic models filter banks quantization and bit allocation predicate coding and temporary noise shaping is analyzed
本文首先对心理声学模型、滤波器组、量化和比特分配、预测编码、时域噪声成型等技术进行研究。 |
| 4. | 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。 |
| 5. | The experiments verify that with these new technologies , the amount of sinusoids can be greatly reduced and the tracking efficiency can be greatly improved
实验证明，将这两种方法与参数心理声学模型相结合，可以有效地减少所需的正弦波数量，大大提高正弦波跟踪的效率。 |
| 6. | With using the matlab platform , we achieved the conscious sound analysis of the audio signals , the embeding , detection and extracting of watermarks and did some
该系统利用matlab软件平台,实现了音频信号的心理声学分析,水印信息的嵌入、检测、提取,并对音频水印算法进行鲁棒性实验。 |
| 7. | Furthermore , on the analysis of the psychoacoustic models , some simplification can be made in the psychoacoustic models . the purpose of this simplification is to reduce the bit rate of audio stream
此外，基于对心理声学模型的分析，对心理声学模型作若干近似，简化的目的是为了用较少的比特编码音频数据。 |
| 8. | The newly proposed method makes good use of the psychoacoustic model . and the perceptual information contained in the synthesized signal is increased in a furthest way during the modeling procedure
感知梯度正弦建模比较好地利用了心理声学模型，在建模过程中最大限度地增加合成信号的感知信息，提高了建模效率。 |
| 9. | The frequency analysis of the psychoacoustic model can give the inaudible , redundan elements of audio . in this paper we employ it to guarantee the inaudibility of the embedded watermark
心理声学模型的时频域分析主要用于音频数据的压缩编码，这里主要考虑将其用于音频水印算法中去，以便从理论的角度来考虑嵌入水印的不可感知性。 |
| 10. | Second , we analysis the character of the human auditory system , especially the psychoacoustic model . then we analyze the principle of the audio part of mpeg - 1 which apply the psychoacoustic model to compressing the audio data
本文总结了人类听觉系统的特点，特别是人类听觉的感知特性，分析了mpeg标准音频部分所使用的心理声学模型。 |
