公开(公告)号：JP2013081244A

公开(公告)日：2013-05-02

申请号：JP2012281805

申请日：2012-12-25

Applicant: Toa Corp ,  Toa株式会社

Inventor： MATSUMOTO YASUSHI ,  MAEDA KAZUAKI

IPC: H04R3/04

CPC classification number: H03G5/025 ,  H03H17/0294 ,  H03H2017/0297

Abstract: PROBLEM TO BE SOLVED: To provide an acoustic control device capable of facilitating adjustment of acoustic quality according to listeners' preferences and/or various applications.SOLUTION: An acoustic control device includes: an FIR filter 11 that performs filtering corresponding to a preset filter coefficient for an input audio signal and outputs the signal; an operation input section 13 that specifies an amplitude characteristic and a phase characteristic to be implemented after changes for the purpose of changing the amplitude characteristic and the phase characteristic of the FIR filter 11; and an arithmetic control section 12 that sets, to the FIR filter 11, a filter coefficient corresponding to an amplitude characteristic and a phase characteristic designated by the operation input section 13.

Abstract translation: 要解决的问题：提供一种能够根据听众的喜好和/或各种应用促进声学质量的调节的声学控制装置。 声控制装置包括：FIR滤波器11，对输入音频信号进行与预设的滤波器系数对应的滤波，并输出该信号; 指定用于改变FIR滤波器11的振幅特性和相位特性的改变之后要实现的幅度特性和相位特性的操作输入部分13; 以及算术控制部12，其向FIR滤波器11设定与由操作输入部13指定的振幅特性和相位特性对应的滤波器系数。（C）2013，JPO＆INPIT

公开(公告)号：JP2013102477A

公开(公告)日：2013-05-23

申请号：JP2012281803

申请日：2012-12-25

Applicant: Toa Corp ,  Toa株式会社

Inventor： MATSUMOTO YASUSHI ,  MAEDA KAZUAKI

IPC: H03H17/06 ,  H03G5/02 ,  H03H17/02 ,  H03H17/08

CPC classification number: H03G5/025 ,  H04R3/04 ,  H04R29/001 ,  H04R29/008

Abstract: PROBLEM TO BE SOLVED: To provide a filter, which adjusts at least a phase frequency characteristic of frequency characteristics (amplitude frequency characteristic and phase frequency characteristic) of an audio signal, capable of achieving adjustment of tone quality suited to various applications.SOLUTION: The filter is configured so that an own phase frequency characteristic and an own amplitude frequency characteristic can be independently changed, a desired phase frequency characteristic curve and a desired amplitude frequency characteristic curve are displayed on an identical screen of a display unit, the own phase frequency characteristic is changed independently of the own amplitude frequency characteristic on the basis of the phase frequency characteristic expressed with the desired phase frequency characteristic curve, and so that the amplitude frequency characteristic of an audio signal is changed independently of the phase frequency characteristic on the basis of the amplitude frequency characteristic expressed with the desired amplitude frequency characteristic curve.

Abstract translation: 要解决的问题：提供一种滤波器，其至少调节音频信号的频率特性（幅度频率特性和相位频率特性）的相位频率特性，能够实现适于各种应用的音调质量的调整。 解决方案：滤波器被配置为使得可以独立地改变自身的相位频率特性和自身的振幅频率特性，期望的相位频率特性曲线和期望的频率特性曲线被显示在显示单元的相同的屏幕上 ，根据以期望的相位频率特性曲线表示的相位频率特性，自身的相位频率特性独立于自身的振幅频率特性而变化，使得音频信号的幅度频率特性独立于相位频率而变化 基于以期望的幅度频率特性曲线表示的幅度频率特性的特性。 版权所有（C）2013，JPO＆INPIT

公开(公告)号：JP2013102476A

公开(公告)日：2013-05-23

申请号：JP2012281802

申请日：2012-12-25

Applicant: Toa Corp ,  Toa株式会社

Inventor： MATSUMOTO YASUSHI ,  MAEDA KAZUAKI

IPC: H03G5/02 ,  H04R3/00

CPC classification number: H03G5/025 ,  H04R3/04 ,  H04R29/001 ,  H04R29/008

Abstract: PROBLEM TO BE SOLVED: To provide an audio adjustment method capable of facilitating adjustment of tone quality according to listeners' preferences or various applications.SOLUTION: The audio adjustment method, including inputting of an audio signal that has been subjected to predetermined adjustment into a sound output device, includes changing of a phase frequency characteristic of the audio signal independently of an amplitude frequency characteristic when adjusting.

Abstract translation: 要解决的问题：提供一种音频调节方法，其能够根据听众的喜好或各种应用促进音调质量的调节。 解决方案：包括将经过预定调整的音频信号输入到声音输出装置中的音频调节方法包括在调节时独立于振幅频率特性改变音频信号的相位频率特性。 版权所有（C）2013，JPO＆INPIT

公开(公告)号：JP2013081243A

公开(公告)日：2013-05-02

申请号：JP2012281804

申请日：2012-12-25

Applicant: Toa Corp ,  Toa株式会社

Inventor： MATSUMOTO YASUSHI ,  MAEDA KAZUAKI

IPC: H04R3/04

CPC classification number: H03G5/025 ,  H03H17/0294 ,  H03H2017/0297

Abstract: PROBLEM TO BE SOLVED: To provide an acoustic control device capable of facilitating adjustment of acoustic quality according to listeners' preferences and/or various applications.SOLUTION: An acoustic control device includes: an FIR filter 11 that performs filtering corresponding to a preset filter coefficient for an input audio signal and outputs the signal; an operation input section 13 that specifies an amplitude characteristic and a phase characteristic to be implemented after changes for the purpose of changing the amplitude characteristic and phase characteristic of the FIR filter 11; and an arithmetic control section 12 that sets, to the FIR filter 11, a filter coefficient corresponding to an amplitude characteristic and a phase characteristic designated by the operation input section 13.

Abstract translation: 要解决的问题：提供一种能够根据听众的喜好和/或各种应用促进声学质量的调节的声学控制装置。 声控制装置包括：FIR滤波器11，对输入的音频信号进行与预设的滤波器系数对应的滤波，并输出该信号; 指定为了改变FIR滤波器11的振幅特性和相位特性而改变之后要实现的幅度特性和相位特性的操作输入部分13; 以及算术控制部12，其向FIR滤波器11设定与由操作输入部13指定的振幅特性和相位特性对应的滤波器系数。（C）2013，JPO＆INPIT

公开(公告)号：JP2009044376A

公开(公告)日：2009-02-26

申请号：JP2007206238

申请日：2007-08-08

Applicant: Toa Corp ,  ティーオーエー株式会社

Inventor： MATSUMOTO YASUSHI ,  MAEDA KAZUAKI

IPC: H04B3/50 ,  H03G1/02 ,  H03G3/02 ,  H04R3/00

Abstract: PROBLEM TO BE SOLVED: To extend a low-cost speaker by utilizing the conventional broadcast facilities.
SOLUTION: An analog audio signal amplified with an amplifier 2 is supplied to the speaker 14 via speaker wires 8N, 8C. A digital modem 38 modulates a high-frequency carrier with a digital audio signal supplied from a controller 34 to generate a digital modulated signal and this digital modulated signal is then supplied to a digital modem 50 via the speaker wires 8N, 8C for demodulation into a demodulated digital signal. The controller 54 converts the demodulated digital signal to an analog signal and then supplies this analog signal to an extended speaker 14a.
COPYRIGHT: (C)2009,JPO&INPIT

Abstract translation: 要解决的问题：通过利用传统的广播设施来扩展低成本的扬声器。 解决方案：用放大器2放大的模拟音频信号通过扬声器线8N，8C提供给扬声器14。 数字调制解调器38利用从控制器34提供的数字音频信号来调制高频载波，以产生数字调制信号，然后该数字调制信号经由扬声器导线8N，8C提供给数字调制解调器50，以便解调成 解调数字信号。 控制器54将解调的数字信号转换为模拟信号，然后将该模拟信号提供给扩展扬声器14a。 版权所有（C）2009，JPO＆INPIT

公开(公告)号：JP2008022508A

公开(公告)日：2008-01-31

申请号：JP2006194936

申请日：2006-07-14

Applicant: Toa Corp ,  ティーオーエー株式会社

Inventor： MATSUMOTO YASUSHI

IPC: H04R27/00 ,  H04R3/00

Abstract: PROBLEM TO BE SOLVED: To satisfy sound pressure-frequency characteristics of a speaker unit suitable for both emergency and normality only by using extremely few components and members.
SOLUTION: A speaker characteristic correction apparatus A for emergency broadcasting equipment includes an equalizer 14 and a route switching section 15. When detecting a notification signal, the route switching section 15 switches a signal route from an audio signal input section 12 to an audio signal output section 13 from a route via the equalizer 14 to a route bypassing the equalizer 14.
COPYRIGHT: (C)2008,JPO&INPIT

Abstract translation: 要解决的问题：仅通过使用极少的部件和部件来满足适用于紧急和正常的扬声器单元的声压特性。 解决方案：用于紧急广播设备的扬声器特性校正装置A包括均衡器14和路由切换部分15.当检测到通知信号时，路由切换部分15将信号路由从音频信号输入部分12切换到 音频信号输出部分13从经由均衡器14的路径转移到绕过均衡器14的路线。版权所有：（C）2008，JPO＆INPIT

公开(公告)号：JP2006211380A

公开(公告)日：2006-08-10

申请号：JP2005021708

申请日：2005-01-28

Applicant: Toa Corp ,  ティーオーエー株式会社

Inventor： MATSUMOTO YASUSHI ,  YOSHIKAWA SUSUMU

IPC: H04L7/00 ,  G06F13/00

Abstract: PROBLEM TO BE SOLVED: To prevent occurrence of output deviation between receiver terminals in distant locations by accurately matching time information managed in a plurality of receiver terminals. SOLUTION: In the digital data transmission system, a time stamp is added to digital data transmitted from a transmitter terminal, and the digital data are transmitted and reproduced, in each of a plurality of receiver terminals, in a reproduction timing based on the time stamp added to the received digital data and a set delay time. Time information managed at a receiver terminal side is made into accurate time information based on external radio waves, thereby preventing deviation of reproduction timings in the receiver terminals. COPYRIGHT: (C)2006,JPO&NCIPI

Abstract translation: 要解决的问题：通过精确地匹配在多个接收机终端中管理的时间信息来防止在远处的接收机终端之间发生输出偏差。 解决方案：在数字数据传输系统中，将时间戳添加到从发射机终端发送的数字数据，并且数字数据在多个接收机终端中的每一个中以基于 添加到接收到的数字数据的时间戳和设定的延迟时间。 在接收机终端侧管理的时间信息被制成基于外部无线电波的精确时间信息，从而防止接收机终端中再现定时的偏差。 版权所有（C）2006，JPO＆NCIPI

公开(公告)号：JP2006157361A

公开(公告)日：2006-06-15

申请号：JP2004343687

申请日：2004-11-29

Applicant: Toa Corp ,  ティーオーエー株式会社

Inventor： MATSUMOTO YASUSHI ,  YOSHIKAWA SUSUMU

IPC: H04B14/00 ,  H04L7/00

Abstract: PROBLEM TO BE SOLVED: To reproduce audio data faithfully to original sound and to improve the sound quality of audio data to be reproduced by making sampling frequencies coincide with each other between a transmitting side and a receiving side and enhancing accuracy in a data transmission system for transmitting a digital sound signal through a network and reproducing the digital sound signal at a receiving terminal side. SOLUTION: In a method for transmitting data, a data transmitter and a data receiver are provided with external clock receiving parts for respectively receiving a clock signal from the outside and sampling clock generating parts for generating a sampling clock for a predetermined frequency on the basis of the clock signal received by the external clock receiving part, wherein the accuracy of external clocks received by the respective external clock receiving parts coincide with each other. COPYRIGHT: (C)2006,JPO&NCIPI

Abstract translation: 要解决的问题：将音频数据忠实地再现到原始声音，并且通过使发送侧和接收侧之间的采样频率彼此一致来提高要再现的音频数据的声音质量，并提高数据的精度 传输系统，用于通过网络发送数字声音信号，并在接收终端侧再现数字声音信号。 解决方案：在用于发送数据的方法中，数据发送器和数据接收器设置有用于分别从外部接收时钟信号的外部时钟接收部分和用于产生预定频率的采样时钟的采样时钟产生部分 由外部时钟接收部分接收的时钟信号的基础，其中由各个外部时钟接收部件接收的外部时钟的精度彼此一致。 版权所有（C）2006，JPO＆NCIPI

公开(公告)号：JP2010124078A

公开(公告)日：2010-06-03

申请号：JP2008293846

申请日：2008-11-17

Applicant: Toa Corp ,  ティーオーエー株式会社

Inventor： MATSUMOTO YASUSHI

IPC: H04R1/40 ,  H04R3/12

Abstract: PROBLEM TO BE SOLVED: To provide an installation method of line array speakers that prevents a sound wave from reflecting on a configuration surface of a room in a short side direction of the line array speakers, and further improves legibility of the sound, and to provide the room in which the line array speakers are installed by the method.
SOLUTION: In the room with a wall surface 1 to a wall surface 4, a ceiling surface 5, and a floor surface 6, the line array speakers S41 and a line array speakers S23 are installed in a corner part 41 and a corner part 23 composing diagonal line angles, respectively. More specifically, while turning a long hand direction of the line array speakers S41 to a top and down direction of the room, the speakers are arranged to touch on the wall surface 1 and the wall surface 4 in the short side direction.
COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 要解决的问题：为了提供一种线阵列扬声器的安装方法，其防止声波在线阵列扬声器的短边方向上在房间的配置表面上反射，并且进一步提高声音的可读性， 并提供通过该方法安装线阵列扬声器的房间。 解决方案：在具有壁表面1到墙壁表面4，天花板表面5和地板表面6的房间中，线阵列扬声器S41和线阵列扬声器S23安装在拐角部分41和 角部分23分别构成对角线角度。 更具体地，在将线阵列扬声器S41的长手方向转动到房间的上下方向的同时，扬声器布置成在短边方向上接触壁表面1和壁表面4。 版权所有（C）2010，JPO＆INPIT

公开(公告)号：JP2007129518A

公开(公告)日：2007-05-24

申请号：JP2005320515

申请日：2005-11-04

Applicant: Toa Corp ,  ティーオーエー株式会社

Inventor： MATSUMOTO YASUSHI ,  YOSHIKAWA SUSUMU

IPC: H04L7/00

Abstract: PROBLEM TO BE SOLVED: To provide a technique for eliminating a phase difference of output data in one and the same area and preventing occurrence or the like of an echo even when that a plurality of reception terminals receive and output digital data transmitted from a remote place. SOLUTION: In the digital data transmission system, each reception terminal includes: a synchronizing signal reception section for receiving an external synchronizing signal; a data reception section for receiving transmission data transmitted via a network; a data storage section for temporarily storing digital data included in the received transmission data; a reproduction control section for controlling a reproduction timing on the basis of the synchronizing signal received by the synchronizing signal reception section; a D/A conversion section for starting reading of the digital data stored in the data storage section and converting the digital data into analog data; and a data output section for outputting the analog data converted from the digital data by the D/A conversion section. COPYRIGHT: (C)2007,JPO&INPIT

Abstract translation: 要解决的问题：为了提供一种用于消除同一区域中的输出数据的相位差并且防止回波的发生的技术，即使当多个接收终端接收和输出从 一个偏远的地方。 解决方案：在数字数据传输系统中，每个接收终端包括：同步信号接收部分，用于接收外部同步信号; 数据接收部分，用于接收通过网络发送的传输数据; 数据存储部分，用于临时存储所接收的传输数据中包括的数字数据; 再现控制部分，用于根据由同步信号接收部分接收的同步信号控制再现定时; D / A转换部分，用于开始读取存储在数据存储部分中的数字数据，并将数字数据转换为模拟数据; 以及数据输出部分，用于输出由D / A转换部分从数字数据转换的模拟数据。 版权所有（C）2007，JPO＆INPIT