A Study on Noise Suppression using Perceptual Weighting Approach based on Auditory Masking Effect.

基于听觉掩蔽效应的感知加权方法的噪声抑制研究。

• 批准号: 17500120
• 负责人: HAYASHI Seiji
• 金额: $ 1.54万
• 依托单位: Takushoku University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (C)
• 财政年份: 2005
• 资助国家: 日本
• 起止时间: 2005 至 2006
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/en/grant/KAKENHI-PROJECT-17500120/
• 关键词: Noise Suppression; Masking Effect; Perceptual Weighting; Spectral Subtraction; Speech band; Speech Enhancement

In order to enhance a quality of speech corrupted by additive background noise, this research aims that perceptually good output speech removed the noise is achieved by the spectral subtraction approach based on a perceptual weighting function concerned with an auditory masking effect.I think that this research was approximately done along to the beginning plan. In the first year the result-1 was obtained by introducing the perceptual weighting function to the noise suppression system and by evaluating its performance. In the next year the results-2 were obtained by controlling the scaling factors adaptively. In addition, the results of this research were presented at the international conference and at the domestic meeting or society and contributed to the journal of IEICE.RESEARCH RESULTS1. Introducing of algorithm using perceptual frequency weighting to reduce the noise spectrumIt was proposed that the approach reduces the background noise by using the perceptual scaling function obtained from the spectral envelope of the input speech.2. Improvement of algorithm obtained from the first year's research(1) It was proposed that the approach improves the accuracy of the spectral envelope estimation by the fact that linear prediction coefficients are calculated from the signal which applies one time simple spectral subtraction method. The quality of the output signal reduced the noise was improved.(2) It was proposed that the approach controls adaptively the values of weighting factors by changing the weighting factors from the fixed value (in first year) to the variable value (in the next year). As a result of this approach the accurate estimation of noise spectrum was obtained.

为了提高受加性背景噪声污染的语音质量，本研究的目的是通过基于听觉掩蔽效应的感知加权函数的谱减法方法来获得去除噪声后的感知良好的输出语音，我认为这项研究是沿着开始的计划进行的。在第一年中，通过将感知加权函数引入噪声抑制系统并评估其性能，获得了结果-1。在第二年，通过自适应地控制比例因子获得了结果-2。此外，本研究的结果在国际会议和国内会议或学会上发表，并发表在IEICE杂志上。提出了一种基于感知频率加权的噪声频谱抑制算法，该算法通过对输入语音的频谱包络进行感知，得到感知尺度函数，从而达到抑制背景噪声的目的.（1）提出了一种新的谱包络估计方法，该方法通过一次简单的谱减法从信号中计算线性预测系数，提高了谱包络估计的精度。输出信号的质量得到了降低，噪声得到了改善. (2)该方法通过将权重因子从固定值（第一年）改变为可变值（第二年）来自适应地控制权重因子的值。结果表明，该方法能准确地估计噪声谱。

项目成果

Single Channel Speech Enhancement Based on Perceptual Frequency-weighting

基于感知频率加权的单通道语音增强

• 发表时间: 2007
• 期刊: IEICE Transactions on Information and Systems D(採録決定)
• 作者: T.Saito;H.Harada;T.Komatsu;齊藤隆弘;T.Saito;T.Komatsu;林 誠治
• 通讯作者: 林 誠治

Speech Enhancement using Perceptual Frequency-weighting

使用感知频率加权的语音增强

• 发表时间: 2006
• 期刊: Proc. of the IASTED Int. Conference on Communications, Internet, and Information Technology (CIIT2006)
• 作者: T.Saito;H.Harada;T.Komatsu;齊藤隆弘;T.Saito;T.Komatsu;林 誠治;斎藤 泰明;植月龍興;垣實 洋;Seiji HAYASHI;Yasuaki SAITOH;Tatsuoki UETSUKI;Hiroshi KAKIMI;斉藤 泰明;植月龍興;垣實 洋;林 誠治
• 通讯作者: 林 誠治

聴覚スケーリング関数を用いた音声強調の制御による雑音除去

使用听觉缩放功能控制语音增强来消除噪声

• 发表时间: 2007
• 期刊: 電子情報通信学会,2007年総合大会 A-4-12
• 作者: T.Saito;H.Harada;T.Komatsu;齊藤隆弘;T.Saito;T.Komatsu;林 誠治;斎藤 泰明
• 通讯作者: 斎藤 泰明

音声の調波構造およびスペクトル包絡情報を用いた雑音除去

使用音频谐波结构和频谱包络信息消除噪声

• 发表时间: 2007
• 期刊: 電子情報通信学会,2007年総合大会,ポスターセッション ISS
• 作者: T.Saito;H.Harada;T.Komatsu;齊藤隆弘;T.Saito;T.Komatsu;林 誠治;斎藤 泰明;植月龍興
• 通讯作者: 植月龍興

A Study on Noise Suppression using Compensation of Peak Positions of Speech Spectrum

语音频谱峰值位置补偿抑制噪声的研究

• 发表时间: 2005
• 期刊: Proc. of IEICE 2005 Society Meeting
• 作者: T.Saito;H.Harada;T.Komatsu;齊藤隆弘;T.Saito;T.Komatsu;林 誠治;斎藤 泰明;植月龍興;垣實 洋;Seiji HAYASHI;Yasuaki SAITOH;Tatsuoki UETSUKI;Hiroshi KAKIMI;斉藤 泰明;植月龍興;垣實 洋;林 誠治;斉藤 泰明;斉藤 泰明;近藤 昌宏;吉田 貢;Seiji HAYASHI;Yasuaki SAITOH;Yasuaki SAITOH;Masahiro KONDO;Mitsugu YOSHIDA;林 誠治;斉藤 泰明;近藤 昌宏;Yasuaki SAITOH;Masahiro KONDO
• 通讯作者: Masahiro KONDO