JPH01276900A - Sound field reproduction device - Google Patents

Sound field reproduction device

Info

Publication number
JPH01276900A
JPH01276900A JP63103903A JP10390388A JPH01276900A JP H01276900 A JPH01276900 A JP H01276900A JP 63103903 A JP63103903 A JP 63103903A JP 10390388 A JP10390388 A JP 10390388A JP H01276900 A JPH01276900 A JP H01276900A
Authority
JP
Japan
Prior art keywords
sound field
listening position
sound
speaker
main body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP63103903A
Other languages
Japanese (ja)
Inventor
Kazuyoshi Yamaguchi
和良 山口
Yuichi Kosukegawa
小助川 祐一
Ikuo Kawai
河合 郁雄
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP63103903A priority Critical patent/JPH01276900A/en
Publication of JPH01276900A publication Critical patent/JPH01276900A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S7/00Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30Control circuits for electronic adaptation of the sound field
    • H04S7/302Electronic adaptation of stereophonic sound system to listener position or orientation

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)

Abstract

PURPOSE:To detect the position of an audience at the arbitrary place in a sound field space without raising costs by using a speaker to constitute a sound field reproducing device as a part of a sensor (a sounding body) to detect the listening position. CONSTITUTION:The title device consists of >= two speakers S, a detector D arranged at the listening position, a control means C to control the sound field, and an audio device main body O. The control means C controls the audio device main body O, a supersonic wave or a sound wave is emitter from the speaker S, the detector D arranged at the listening position receives it, arriving times t1 and t2 from the speaker S to the listening position are measured, the listening position in the sound field is distinguished, and the control means C adjusts the audio device main body O in the optimum way based on the above-mentioned information. Thus, the position of the audience at the arbitrary position in the general sound field space, namely the listening position, can be detected without raising the costs.

Description

【発明の詳細な説明】 〔腫東上の利用分野〕 本発明は、オーディオ憬器やテレビなどのf場再生に保
り、特に、音波バランスや遅延時間を、聴取位置に応じ
て敢過に設定するのに好適な音場再生装置に関するもの
である。
[Detailed Description of the Invention] [Field of Application] The present invention maintains the f-field reproduction of audio equipment, televisions, etc., and in particular sets the sound wave balance and delay time excessively according to the listening position. The present invention relates to a sound field reproduction device suitable for.

〔従来の技術〕[Conventional technology]

音場再生装置とは、前面左右のスピーカの他に、側面や
稜面にもスピーカを配して、オーデイ第1双器やテレビ
などで優られる音声を、よりリアルな臨場感のある音声
として聴取者に提供するためのものであり、従来では、
例えは、舟開昭59−225700  号公報に記載の
ように、多数の赤外諏センサを用いて聴取者の盾座位置
、即ち、聴取位置を検出し、各センサの検出結末に基づ
いて音場制御を自動的に行っていた。
A sound field reproduction device is a system that uses speakers on the sides and ridges in addition to the left and right speakers in the front to reproduce the sound superior to audio equipment, TVs, etc., with a more realistic sense of presence. It is intended to be provided to the listener, and traditionally,
For example, as described in Funakai No. 59-225700, a large number of infrared ray sensors are used to detect the position of the listener's seat, that is, the listening position, and the sound is detected based on the detection result of each sensor. Field control was performed automatically.

〔軸間が解決しようとする課題〕[Issues that the center is trying to solve]

上記従来技術は、車載用オーディオ装置を対尿としてお
り、各座席に増産した人の有無を煉出してf場制御を行
っているため、一般のf場空間の任意の場FITvcい
るIv!a取省の位置を検出しようとすると、非常に多
(の赤外騰センサか必賛とrxす、コスト烏は勿論、そ
の取付方法にも問題かあった。
The above-mentioned conventional technology uses an in-vehicle audio system as a counter, and performs f-field control by detecting the presence or absence of an increased number of people in each seat. If you try to detect the position of the sensor, you will need a very large number of infrared sensors, but there are problems not only with the cost, but also with the way they are installed.

本発明は上記した従来技術の問題点に鑑みなされたもの
であり、従って、七〇)目的は、一般の音場空間の任意
の場所にいる聴取者の位置、即ち、lb、 R位tit
を、コスト島になることな(、検出することができるf
場再生装置を提供することにあるb〔課題を解決するた
めの手段〕 第1図は本発明によるf場再生鉄匝のi本釣な構成を示
す1072図である。
The present invention has been made in view of the problems of the prior art described above, and therefore, 70) the object is to adjust the position of a listener located at any location in a general sound field space, i.e., lb, R, tit, etc.
, will be a cost island (, can be detected f
[Means for Solving the Problems] Fig. 1 is a diagram 1072 showing a typical configuration of an f-field reproducing iron box according to the present invention.

本発明でし工、上記した目的を造成するために、音場再
生装置を、例えは第1因に示す如く、21−以上のスピ
ーカSと、聴取位置に配される検出器りと、晋MI?f
f1J御等を行う制御手段Cと、オーディオ装置本俸O
と、で構成するようにした。
In order to achieve the above-mentioned object, the present invention has been devised to create a sound field reproducing device, for example, as shown in the first factor, with a speaker S of 21 or more, a detector arranged at the listening position, and a sound field reproducing device. MI? f
A control means C for controlling f1J, etc., and an audio device main salary O
It was made to consist of .

〔作用〕[Effect]

不発明は、第1図に示した様に、制御手段Cによりオー
ディオ装置本体Oを制御し、スピーカSから超詐放もし
くは音波を発射させ、これを聴取位tjLに配した検出
器りで受け、スピーカSから聴取位mまでの超#諷もし
くは音波の到達時間t1゜らを測足することにより、音
場に於ける聴取位置を明確にし、この情報に基づいて制
御手段Cがオーディオ装置本体Oを最適に調節するもの
である。
As shown in Fig. 1, the invention is to control the main body O of the audio device by means of a control means C, to emit a super wave or sound wave from the speaker S, and to receive this by a detector placed at the listening position tjL. The listening position in the sound field is clarified by measuring the arrival time t1゜ of ultra-high pitch or sound waves from the speaker S to the listening position m, and based on this information, the control means C controls the main body of the audio device. This is to optimally adjust O.

〔実施例〕〔Example〕

以下、本発明の一実施例を図面を用いて説明する。 An embodiment of the present invention will be described below with reference to the drawings.

第2図は本発明の一麦施例としての音場再生装置の各稠
成要木の配置を示した平面図である。
FIG. 2 is a plan view showing the arrangement of the main trees of the sound field reproducing device as an embodiment of the present invention.

巣2図において、1,2は前スピーカ、5,6は恢スピ
ーカである。また、4はリモコンであり。
In Figure 2, 1 and 2 are front speakers, and 5 and 6 are rear speakers. Also, 4 is a remote control.

第5図に示′″r如く、起晋技受侶部8、亦外械送倍部
9を有する。史にまた、5は音場再生装置本体であり、
第4図に示す如く、赤外−受信部10、制御部11、オ
ーディオ装置本体12、遅延時間A節部15 、14、
音′Jt調節部15〜18、超音波発掘部19、切換部
20 、21から構成されている。
As shown in FIG.
As shown in FIG. 4, an infrared receiving section 10, a control section 11, an audio device main body 12, delay time A node sections 15, 14,
It is composed of sound 'Jt adjustment sections 15 to 18, an ultrasonic excavation section 19, and switching sections 20 and 21.

また、第2図において、10は前スピーカ1,2間の距
離(”) 、’sは削性スピーカ間の距離(771〕、
!、は後スピーカ5.6間の距離(771)を示す。尚
、Pは10.l、の中心線である。また、1. 、1.
は罰スピーカ1,2からリモコン4までの超音波の劃」
遅時間〔抄〕である。
In addition, in Fig. 2, 10 is the distance between the front speakers 1 and 2 (''), 's is the distance between the machinable speakers (771),
! , indicates the distance (771) between the rear speakers 5.6. In addition, P is 10. is the center line of l. Also, 1. , 1.
is the wave of ultrasonic waves from speakers 1 and 2 to remote control 4.
It was late.

また、1. 、1.は、1. 、1.を距離に侠真した
埴であり、週常、音速を540m1秒とすると、11=
 340 X t、  −1111宜= 540 X 
t2−[21 で永められる。
Also, 1. , 1. 1. , 1. If the speed of sound is 540 m/sec, then 11 =
340 X t, -1111 y = 540 X
It is lengthened by t2-[21.

一万、1.ul;は後スピーカ5.6からリモコン但し で求められる。Ten thousand, 1. ul; is remote control from rear speaker 5.6. is required.

今、聴取者が手元のリモコン4により、廿場書生夷直本
体5にv4頗指令を送ると、第6図に示す動作)a−に
より、前後スピーカ1,2,5.<Sの廿址バランス及
び、恢スピーカ5.6の遅延時間か、聴取者にとって厳
選な状態に調節される。
Now, when the listener sends a v4 command to the main unit 5 using the remote control 4 in his hand, the front and rear speakers 1, 2, 5, . The balance of S and the delay time of speakers 5 and 6 are adjusted to suit the listener.

即ち、まず、リモコン4の赤外−送信部9より送イぎさ
れた調節指令は、音場再生装置本体5の赤外巌受信郁1
0で受信され制御部11に送られる。
That is, first, the adjustment command sent from the infrared transmitter 9 of the remote controller 4 is sent to the infrared receiver 1 of the sound field reproduction device main body 5.
0 and sent to the control unit 11.

制御部11にて調J1tJ指令であると判断されると、
切侠部20をα側に切り換えて超音波発掘部19の出力
を前スピーカ1に接続する。Nilスピーカ1からは超
音波が発射され、t8秒住にリモコン40起廿波受信部
8に到達する。超音IBL受信と同時に、リモコン4は
赤外−送(i!都9より受信完了信号を送4gする。音
場再生6A直本体5では、亦外#jl受伯都10により
この受信完了信号を受偏し、制御部11により、信号の
送受信にか′D)るロスタイムを補正t、て、剖スピー
カ1からリモコン4までの超音改到堰時間t、を累め、
更に(1)式より距離1.を氷める。以下。
When the control unit 11 determines that it is a tune J1tJ command,
The output section 20 is switched to the α side and the output of the ultrasonic excavation section 19 is connected to the front speaker 1. Ultrasonic waves are emitted from the Nil speaker 1 and reach the wave receiving section 8 of the remote control 40 at t8 seconds. At the same time as receiving the ultrasonic IBL, the remote controller 4 sends a reception completion signal from the infrared transmitter (i!To 9).In the sound field reproduction 6A direct main body 5, this reception completion signal is sent from the IBL reception 10. The control unit 11 corrects the loss time t due to signal transmission and reception, and accumulates the ultrasonic arrival time t from the autopsy speaker 1 to the remote controller 4,
Furthermore, from equation (1), the distance 1. Freeze. below.

同様にしてt、、l、も求める。In the same way, t,,l, is also found.

こうして制御部11において、1..1.か求まれは、
fil 〜(61E Kより、l、’、 l;、 x 
、 yか米まり、音場空間に於ける聴取者の位置が明確
となる。?:に、に、制御部11では、この求められた
データを基に聴取者に対し蚊遇なf@となるように、遅
延時間−順部15 、14、音tin部15〜18をv
I4節する。
In this way, in the control section 11, 1. .. 1. What you are looking for is
fil ~(from 61E K, l,', l;, x
, the position of the listener in the sound field becomes clear. ? :Based on the obtained data, the control unit 11 adjusts the delay time-sequence parts 15 and 14 and the sound tin parts 15 to 18 to v so as to provide a pleasant f@ to the listener.
Section I4.

尚、to、 t、 、 t、vc、ついては、定数とし
て音場再生装置本体3の制御@11&C予め入力してお
くものとするが、前後スピーカ1 * 2 # 5 e
 6の各位置にリモコン4を置いて、前述したと同様の
超音波による測定を行わせることにより、容易に自動入
力とすることも可能である。
Note that to, t, , t, and vc shall be input in advance as constants to the control @11&C of the sound field reproduction device main body 3, but the front and rear speakers 1 * 2 # 5 e
It is also possible to easily input the information automatically by placing the remote control 4 at each position of 6 and performing the same ultrasonic measurement as described above.

第7図は本発明の他の実施例とし℃の音場再生装置の各
構成要素の配置を示した平面図である。
FIG. 7 is a plan view showing the arrangement of each component of a sound field reproducing apparatus according to another embodiment of the present invention.

第7図において、7は、音声多重テレビ−C−&Q、キ
ャビネット内に前スピーカ1,2を内蔵している。音声
多重テレビ7&C内成される音場再生装置・部σ〕内部
構成は、第4図に示したのと同様であり、また、各部の
動作も前述した実m例と全く同じである。
In FIG. 7, numeral 7 includes an audio multiplex television-C-&Q, and front speakers 1 and 2 built into the cabinet. The internal configuration of the sound field reproducing device/unit σ included in the audio multiplex television 7&C is the same as that shown in FIG. 4, and the operation of each part is exactly the same as in the above-mentioned example.

〔発明の効果〕〔Effect of the invention〕

以上説明したように、本発明によれは、音場再生装置を
構成するスピーカを聴取位置検出のためのセンサの一部
(発音体)として用いているため、大幅なコスト筒とな
ることなく、一般の音場空間の任意の場所にいる聴取者
の位置、部ち、聴取位置を検出することができる。従つ
℃、@取位置に応じた最適な音場特性が容8に得られ、
聴取者が遅延時間満面や、音電バランスA節に対する専
門的な知識を全(有さない場合に於いてもAMな調節が
なされ、聴取者に満足感を与えることかできる。
As explained above, according to the present invention, since the speaker constituting the sound field reproduction device is used as a part of the sensor (sounding body) for detecting the listening position, the cost can be reduced without increasing the cost. It is possible to detect the position, location, and listening position of a listener located anywhere in a general sound field. Accordingly, the optimum sound field characteristics according to the temperature and position are obtained in the case 8,
Even if the listener does not have full knowledge of the delay time or the specialized knowledge of the sound-electric balance section A, the AM adjustment can be made, giving the listener a sense of satisfaction.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本発明による音場再生装置の基本的な構成を示
すブロック図、第2図は本発明の一実施例としての斤場
書生装置の各傳成賛素の配置を示した平面図、第5図は
第2図のリモコンを示す斜視図、第4図は第2図の廿増
丹生装置本体の構成を示すブロック図、第5図は第2図
に於ける聴取位置検出方法を説明するための説明図、第
6図は第2図に於ける動作順序を説明するための)O−
チャート、第7図は本発明の他の実施例としての音場再
生装置の各構成要素の配置を示した平面図、である。 符号の説明 1.2・・・前スピーカ  6・・・廿場丹生装置本体
4・・・リモコン     5,6・・・後スピーカ7
・・・音声多重テレビ  8・・・超音?JjL受信部
9・・・赤外載送信鄭   10・・・赤外解受信部1
1・・・制御s12・・・オーディオ装置本体15 、
14・・・遅延時間A節部15〜18・・・音fA顧部
19・・・超音波発振都   20 、21・・・切挾
都〒1図 イア図 〒J図 〒4図 〒5図 i。
FIG. 1 is a block diagram showing the basic configuration of a sound field reproduction device according to the present invention, and FIG. 2 is a plan view showing the arrangement of each development element of a sound field reproduction device as an embodiment of the present invention. , FIG. 5 is a perspective view showing the remote control shown in FIG. 2, FIG. 4 is a block diagram showing the configuration of the main body of the Nyu Masu Nyu device shown in FIG. 2, and FIG. 5 shows the listening position detection method in FIG. 2. An explanatory diagram for explaining, FIG. 6 is an explanatory diagram for explaining the operation order in FIG.
The chart and FIG. 7 are plan views showing the arrangement of each component of a sound field reproducing device as another embodiment of the present invention. Explanation of symbols 1.2...Front speaker 6...Hataba Nyu device body 4...Remote control 5, 6...Rear speaker 7
...Audio multiplex television 8...Supersound? JjL receiver 9... Infrared transmitter 10... Infrared receiver 1
1... Control s12... Audio device main body 15,
14...Delay time A section 15-18...Sound fA controller 19...Ultrasonic oscillation capital 20, 21...Kirihanto Figure 1 Diagram Figure J〒4 Figure 5 i.

Claims (1)

【特許請求の範囲】[Claims] 1、2個以上のスピーカを用いた音場再生装置に於いて
、少なくとも2個の前記スピーカより超音波もしくは音
波を発射させる発射手段と、聴取位置に配置され、発射
された前記超音波もしくは音波を受信する受信手段と、
前記スピーカより発射した前記超音波もしくは音波が前
記受信手段に受信されるまでの時間から、前記スピーカ
から前記聴取位置までの距離を求めて、前記スピーカに
対する前記聴取位置の位置関係を検出する検出手段と、
該検出手段による検出結果に基づいて前記聴取位置に応
じた音場制御を行う制御手段と、を備えたことを特徴と
する音場再生装置。
In a sound field reproducing device using one or more speakers, an emitting means for emitting ultrasonic waves or sound waves from at least two of the speakers, and a means for emitting ultrasonic waves or sound waves arranged at a listening position and emitting the emitted ultrasonic waves or sound waves. a receiving means for receiving the
Detection means for detecting the positional relationship of the listening position with respect to the speaker by determining the distance from the speaker to the listening position from the time until the ultrasonic wave or sound wave emitted from the speaker is received by the receiving means. and,
A sound field reproduction device comprising: control means for controlling a sound field according to the listening position based on a detection result by the detection means.
JP63103903A 1988-04-28 1988-04-28 Sound field reproduction device Pending JPH01276900A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP63103903A JPH01276900A (en) 1988-04-28 1988-04-28 Sound field reproduction device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63103903A JPH01276900A (en) 1988-04-28 1988-04-28 Sound field reproduction device

Publications (1)

Publication Number Publication Date
JPH01276900A true JPH01276900A (en) 1989-11-07

Family

ID=14366386

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63103903A Pending JPH01276900A (en) 1988-04-28 1988-04-28 Sound field reproduction device

Country Status (1)

Country Link
JP (1) JPH01276900A (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03214894A (en) * 1990-01-19 1991-09-20 Sony Corp Acoustic signal reproducing system
WO2003101150A1 (en) * 2002-05-27 2003-12-04 Sonicemotion Ag Method and device for generating data about the mutual position of at least three acoustic transducers
JP2005057545A (en) * 2003-08-05 2005-03-03 Matsushita Electric Ind Co Ltd Sound field controller and sound system
JP2006258442A (en) * 2005-03-15 2006-09-28 Yamaha Corp Position detection system, speaker system, and user terminal device
WO2006103875A1 (en) * 2005-03-28 2006-10-05 Pioneer Corporation Av device operation system
JP2006352570A (en) * 2005-06-16 2006-12-28 Yamaha Corp Speaker system
JP2007019938A (en) * 2005-07-08 2007-01-25 Yamaha Corp Audio system
JP2007089062A (en) * 2005-09-26 2007-04-05 Yamaha Corp Sound system
WO2007063880A1 (en) * 2005-12-02 2007-06-07 Yamaha Corporation Position detection system, audio device and terminal device used in the position detection system
US7933418B2 (en) 2004-02-18 2011-04-26 Yamaha Corporation Sound reproducing apparatus and method of identifying positions of speakers
JP2012238967A (en) * 2011-05-10 2012-12-06 Nippon Hoso Kyokai <Nhk> Sound image localization improving device

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03214894A (en) * 1990-01-19 1991-09-20 Sony Corp Acoustic signal reproducing system
US7272073B2 (en) 2002-05-27 2007-09-18 Sonicemotion Ag Method and device for generating information relating to the relative position of a set of at least three acoustic transducers
WO2003101150A1 (en) * 2002-05-27 2003-12-04 Sonicemotion Ag Method and device for generating data about the mutual position of at least three acoustic transducers
JP2005057545A (en) * 2003-08-05 2005-03-03 Matsushita Electric Ind Co Ltd Sound field controller and sound system
US7933418B2 (en) 2004-02-18 2011-04-26 Yamaha Corporation Sound reproducing apparatus and method of identifying positions of speakers
JP2006258442A (en) * 2005-03-15 2006-09-28 Yamaha Corp Position detection system, speaker system, and user terminal device
WO2006103875A1 (en) * 2005-03-28 2006-10-05 Pioneer Corporation Av device operation system
JPWO2006103875A1 (en) * 2005-03-28 2008-09-04 パイオニア株式会社 AV equipment operation system
JP2006352570A (en) * 2005-06-16 2006-12-28 Yamaha Corp Speaker system
JP2007019938A (en) * 2005-07-08 2007-01-25 Yamaha Corp Audio system
US8184836B2 (en) 2005-07-08 2012-05-22 Yamaha Corporation Audio apparatus
JP2007089062A (en) * 2005-09-26 2007-04-05 Yamaha Corp Sound system
JP2007158582A (en) * 2005-12-02 2007-06-21 Yamaha Corp Position detection system, audio device used therefor, and terminal equipment
WO2007063880A1 (en) * 2005-12-02 2007-06-07 Yamaha Corporation Position detection system, audio device and terminal device used in the position detection system
JP2012238967A (en) * 2011-05-10 2012-12-06 Nippon Hoso Kyokai <Nhk> Sound image localization improving device

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