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1. 发明公开

EP3220666A1 SIGNAL PROCESSING DEVICE AND SIGNAL PROCESSING METHOD 有权
标题翻译：信号处理装置和信号处理方法
公开(公告)号：EP3220666A1
公开(公告)日：2017-09-20
申请号：EP17161060.3
申请日：2017-03-15
申请人： Yamaha Corporation
发明人： Aoki, Ryotaro
IPC分类号： H04S5/00
CPC分类号： H04S5/005 , H04S2400/01 , H04S2400/05 , H04S2420/07
摘要： A signal processing device includes: a calculating unit performing calculation using signal levels of first and second acoustic signals; a determining unit, based on a result of a comparison between: the signal level of at least one of the first and second acoustic signals before the calculation; and a result of the calculation, determining whether a component of a third acoustic signal to be output from a position between a position from which the first acoustic signal is output and a position from which the second acoustic signal is output is included in the first and second acoustic signals; and a signal generating unit generating the third acoustic signal from the first and second acoustic signals when the determining unit determines that the component of the third acoustic signal is included in the first and second acoustic signals.
摘要翻译：一种信号处理设备，包括：计算单元，使用第一和第二声信号的信号电平来执行计算; 确定单元，基于计算之前的第一和第二声信号中的至少一个的信号电平之间的比较结果; 以及计算结果，确定从输出第一声学信号的位置和输出第二声学信号的位置之间的位置输出的第三声学信号的分量是否包括在第一声学信号中，并且，第二声信号; 以及信号产生单元，当确定单元确定第三声学信号的分量包含在第一和第二声学信号中时，从第一和第二声学信号产生第三声学信号。

2. 发明公开

EP2608405A3 Sound processing apparatus, sound system and sound processing method 有权
标题翻译：无害化处理，音响系统和Tonverarbeitungsverfahren
公开(公告)号：EP2608405A3
公开(公告)日：2015-02-18
申请号：EP12197729.2
申请日：2012-12-18
申请人： Yamaha Corporation
发明人： Katayama, Masaki , Aoki, Ryotaro
IPC分类号： H03G3/34 , H03G5/16 , H04R5/04
CPC分类号： H03G3/20 , H03G3/348 , H04R5/04 , H04S7/30
摘要： A sound processing apparatus processes a first sound signal and a second sound signal. The sound processing apparatus includes a first adjustor which adjusts a volume of the first sound signal, a second adjustor which adjusts a volume of the second sound signal, and a control unit which causes the first adjustor and the second adjustor to adjust the first sound signal gradually changed over a first gradually-change time and the second sound signal gradually changed over a second gradually-change time, wherein the second gradually-change time is shorter than and included in the first gradually-change time.

3. 发明公开

EP2237570A3 Audio signal processing apparatus and speaker apparatus 有权
标题翻译：音频信号处理装置和扬声器装置
公开(公告)号：EP2237570A3
公开(公告)日：2012-09-05
申请号：EP10001932.2
申请日：2010-02-24
申请人： Yamaha Corporation
发明人： Aoki, Ryotaro
IPC分类号： H04R5/04 , H04R3/04 , G10H1/06
CPC分类号： H04S3/008 , G10H1/383 , G10H2210/321 , H04S7/307 , H04S2400/07
摘要： An audio signal processing apparatus includes: a first filtering unit which outputs an audio signal while attenuating frequency components except for preset frequency components; a detecting unit which detects a sound volume level; an amplitude limiting unit which calculates an amplitude limiting level corresponding to the sound volume level, and which limits a part of a waveform of the audio signal output from the first filtering unit; a second filtering unit which outputs the audio signal output from the amplitude limiting unit while attenuating frequency components except for preset frequency components including a part of the frequency band of the audio signal output from the first filtering unit, and a part of the frequency band of the harmonics; a compressing unit which compresses a dynamic range of the audio signal; and an adding unit which adds the audio signal output from the compressing unit to the input audio signal.

4. 发明公开

EP2840572A3 Audio signal processing device 审中-公开
标题翻译：用于音频信号处理装置
公开(公告)号：EP2840572A3
公开(公告)日：2015-03-18
申请号：EP14181432.7
申请日：2014-08-19
申请人： YAMAHA CORPORATION
发明人： Aoki, Ryotaro , Tokuhisa, Hideyuki
IPC分类号： G10L21/038 , G10L19/008
CPC分类号： H04S3/002 , G10H2250/601 , G10H2250/605 , G10L19/008 , G10L21/038 , H03G7/002 , H04R1/403 , H04R3/12 , H04S2400/07 , H04S2400/15
摘要： An audio signal processing device includes: an input section to which an audio signal is input; a bias processing section configured to add a bias signal to the audio signal; a calculation section configured to perform a power calculation on the audio signal to which the bias signal has been added by the bias processing section; and an adding unit configured to add the audio signal on which the power calculation is performed by the calculation section to the audio signal having been input to the input section.

5. 发明公开

EP1804238A1 Effect adding method and effect adding apparatus 有权
标题翻译：一种用于添加效果和装置用于添加效果的方法
公开(公告)号：EP1804238A1
公开(公告)日：2007-07-04
申请号：EP06026841.4
申请日：2006-12-22
申请人： YAMAHA CORPORATION
发明人： Akiyama, Hitoshi , Aoki, Ryotaro
IPC分类号： G10L21/02 , G10H1/16
CPC分类号： G10L21/038 , G10H1/0091
摘要： An effect adding method, includes: applying (12) different gains to a positive side waveform portion and a negative side waveform portion of an audio signal respectively when absolute values of input levels of the positive side waveform portion and the negative side waveform portion are smaller than a predetermined value; producing (40) a higher range component of the audio signal based on a high range component of the audio signal to which the gain is applied, the higher range component being higher in frequency than the high range component; producing (52) a lower range component of the audio signal based on a low range component of the audio signal to which the gain is applied, the lower range component being lower in the frequency than the low range component; and synthesizing (94) an audio signal having an effect sound by adding the audio signal to which the different gains are applied, the higher range component, and the lower range component with each other.
摘要翻译：的效果增加方法，包括：将（12）不同的增益为正侧波形部分和音频信号的负侧波形部分分别当正侧波形部分的输入电平与负侧波形部分的绝对值较小大于一预定值; 产生（40）的基础上对音频信号被施加时，更高范围分量是频率比所述高范围分量的更高增益的高频组分的音频信号的更高范围分量; 产生（52）的基础上对音频信号被施加，较低范围分量是频率比低范围分量的低增益的低范围分量的音频信号的低范围分量; 合成和（94）具有通过将所述音频信号以其中不同的增益应用，较高的范围分量，并且与海誓山盟较低范围分量来实现声音的音频信号。

6. 发明授权

EP2608405B1 SOUND PROCESSING APPARATUS, SOUND SYSTEM AND SOUND PROCESSING METHOD 有权
标题翻译：声音处理装置，声音系统和声音处理方法
公开(公告)号：EP2608405B1
公开(公告)日：2017-06-14
申请号：EP12197729.2
申请日：2012-12-18
申请人： Yamaha Corporation
发明人： Katayama, Masaki , Aoki, Ryotaro
IPC分类号： H03G3/34 , H03G5/16 , H04R5/04
CPC分类号： H03G3/20 , H03G3/348 , H04R5/04 , H04S7/30

7. 发明公开

EP2840572A2 Audio signal processing device 审中-公开
标题翻译：音频信号处理设备
公开(公告)号：EP2840572A2
公开(公告)日：2015-02-25
申请号：EP14181432.7
申请日：2014-08-19
申请人： YAMAHA CORPORATION
发明人： Aoki, Ryotaro , Tokuhisa, Hideyuki
IPC分类号： G10L21/038 , G10L19/008
CPC分类号： H04S3/002 , G10H2250/601 , G10H2250/605 , G10L19/008 , G10L21/038 , H03G7/002 , H04R1/403 , H04R3/12 , H04S2400/07 , H04S2400/15
摘要： An audio signal processing device includes: an input section to which an audio signal is input; a bias processing section configured to add a bias signal to the audio signal; a calculation section configured to perform a power calculation on the audio signal to which the bias signal has been added by the bias processing section; and an adding unit configured to add the audio signal on which the power calculation is performed by the calculation section to the audio signal having been input to the input section.
摘要翻译：一种音频信号处理装置包括：输入音频信号的输入部分; 偏置处理部分，被配置为将偏置信号添加到音频信号; 计算部分，被配置为对由偏置处理部分添加了偏置信号的音频信号执行功率计算; 以及加法单元，被配置为将由所述计算单元执行了所述功率计算的音频信号添加到已经输入到所述输入单元的音频信号。

8. 发明公开

EP2372712A2 Quantization bit rate expansion method and quantization bit rate expansion device 有权
标题翻译：量子分析法和量子分析法（Quantifizierungsbitratenexpansionsvorrichtung）
公开(公告)号：EP2372712A2
公开(公告)日：2011-10-05
申请号：EP11156392.0
申请日：2011-03-01
申请人： YAMAHA CORPORATION
发明人： Aoki, Ryotaro
IPC分类号： G11B20/10 , G10L21/02 , H04B14/04
CPC分类号： G11B20/10527 , G10L21/038 , G11B2020/10546 , G11B2020/10583 , H04B14/046
摘要： There is provided a quantization bit rate expansion method and a quantization bit rate expansion device that make it possible to noticeably enhance sound quality by expanding the quantization bit rate of a digital audio signal through simple processing. The quantization bit rate expansion device includes a flat period detection unit that detects a flat period from the audio signal, a pattern determination unit that determines a profile pattern of the flat period according to a positive or negative sign of a preceding difference value immediately preceding the flat period and a positive or negative sign of a subsequent difference value immediately subsequent to the flat period, a waveform estimation unit that estimates a detailed waveform according to the profile pattern a ratio of the preceding difference value to the subsequent difference value, and a sample value determination unit that determines, based on the detailed waveform, sample values for respective sampling times of the flat period by means of a quantization bit rate that is larger than the quantization bit rate of the audio signal.
摘要翻译：提供了一种量化比特率扩展方法和量化比特率扩展装置，其通过简单的处理扩展数字音频信号的量化比特率，可以显着提高声音质量。量化比特率扩展装置包括平坦周期检测单元，其从音频信号检测平坦周期;模式确定单元，根据紧接在该前一个差分值之前的正值或负号来确定平坦周期的简档模式; 平坦期间，紧接在平坦期间之后的随后的差值的正或负符号，波形估计单元，根据轮廓图案估计前一个差值与后续差值的比率的详细波形，以及样本值确定单元，其基于详细波形，通过大于音频信号的量化比特率的量化比特率来确定平坦周期的各个采样时间的采样值。

9. 发明授权

EP1804238B1 Effect adding method and effect adding apparatus 有权
标题翻译：一种用于添加效果和装置用于添加效果的方法
公开(公告)号：EP1804238B1
公开(公告)日：2009-10-21
申请号：EP06026841.4
申请日：2006-12-22
申请人： YAMAHA CORPORATION
发明人： Akiyama, Hitoshi , Aoki, Ryotaro
IPC分类号： G10L21/02 , G10H1/16
CPC分类号： G10L21/038 , G10H1/0091

10. 发明授权

EP2372712B1 Quantization bit rate expansion method and quantization bit rate expansion device 有权
标题翻译：量化位扩展处理和量化比特率膨胀装置
公开(公告)号：EP2372712B1
公开(公告)日：2016-09-07
申请号：EP11156392.0
申请日：2011-03-01
申请人： YAMAHA CORPORATION
发明人： Aoki, Ryotaro
IPC分类号： G11B20/10 , G10L21/038 , H04B14/04
CPC分类号： G11B20/10527 , G10L21/038 , G11B2020/10546 , G11B2020/10583 , H04B14/046

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