JP2015080233A - 複数のスピーカ及びマイクロホンアレイを測定するための装置及び方法 - Google Patents
複数のスピーカ及びマイクロホンアレイを測定するための装置及び方法 Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R29/00—Monitoring arrangements; Testing arrangements
- H04R29/001—Monitoring arrangements; Testing arrangements for loudspeakers
- H04R29/002—Loudspeaker arrays
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/027—Spatial or constructional arrangements of microphones, e.g. in dummy heads
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/08—Mouthpieces; Microphones; Attachments therefor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
- H04R1/406—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers microphones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/02—Details casings, cabinets or mounting therein for transducers covered by H04R1/02 but not provided for in any of its subgroups
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/40—Details of arrangements for obtaining desired directional characteristic by combining a number of identical transducers covered by H04R1/40 but not provided for in any of its subgroups
- H04R2201/401—2D or 3D arrays of transducers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2420/00—Details of connection covered by H04R, not provided for in its groups
- H04R2420/05—Detection of connection of loudspeakers or headphones to amplifiers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2430/00—Signal processing covered by H04R, not provided for in its groups
- H04R2430/20—Processing of the output signals of the acoustic transducers of an array for obtaining a desired directivity characteristic
- H04R2430/21—Direction finding using differential microphone array [DMA]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/15—Aspects of sound capture and related signal processing for recording or reproduction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
- H04S2420/03—Application of parametric coding in stereophonic audio systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
- H04S7/30—Control circuits for electronic adaptation of the sound field
- H04S7/301—Automatic calibration of stereophonic sound system, e.g. with test microphone
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- General Health & Medical Sciences (AREA)
- Stereophonic System (AREA)
- Circuit For Audible Band Transducer (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Abstract
Description
●スイッチを入れられない、あるいは、接続されないスピーカ
●誤ったスピーカに送られた信号、誤ったスピーカと接続された信号ケーブル
●オーディオ・ルーティング・システムで、あるいは、スピーカで誤って調節された1つのスピーカのレベル
●オーディオ・ルーティング・システムで、あるいは、スピーカで誤って設定された等化器
●マルチウェイ・スピーカの単一のドライバの破損
●スピーカが誤って位置付けられる、方向付けられる、あるいは、物体が音響経路を妨げている。
ITU−R勧告−BS.1116−1、「マルチチャンネル音響システムを含むオーディオ・システムにおける微小音質劣化の主観評価の方法」、1997年、ITU:スイス、ジュネーブ、p.26
A.ジルツレら著、「フラウンホーファーIIS オーディオ研究所の新しいスタジオ及びリスニングルームの背後にあるビジョンとテクニック」、第126回AESコンベンション、ミュンヘン、ドイツ、2009年
S.ミューラー、P.マッサラーニ著、「スイープを用いた伝達関数測定」、AES学会誌、第49巻、2001年6月
音響測定技術、M.Mser編、2010年、ベルリン、ハイデルベルク、シュプリンガー
V.プルキ、「方向オーディオ符号化を用いた空間音響再生」、AES学会誌、第55巻、第6号、pp.503−516、2007年
O.ティールガルト、R.シュルツ−アムリン、G.デル ガルド、D.マーネ、F.キュッヒ著、「方向オーディオ符号化パラメータに基づいた反響する環境における音源定位」、第127回AESコンベンション、ニューヨーク、USA、2009年10月9〜12日
J.メリマー、T.ロッキ、T.ペルトネン、M.カルヤライネン著、「方向室内応答の測定、解析及び視覚化」、第111回AESコンベンション、ニューヨーク、ニューヨーク州、アメリカ、2001年9月21〜24日
G.デル ガルド、O.ティールガルト、F.キュッヒ著、「方向オーディオ符号化のためのネスト化マイクロホンアレイ処理」、オーディオ及び音響学への信号処理の応用に関するIEEEワークショップの学会誌(WASPAA)、ニューパルツ、ニューヨーク州、2009年10月
F.J.フェイ著、音響インテンシティ、エセックス:エルゼビア・サイエンス株式会社、1989年
A.ジルツレ、M.ライストナー著、「フラウンホーファーIISの新しいリスニングテストルームの室内音響特性」、第126回AESコンベンション、ミュンヘン、ドイツ、2009年
ST350ポータブル・マイクロホン・システム、ユーザーマニュアル、“http://www.soundfield.com/”
J.アホネン、V.プルキ、T.ロッキ著、「方向オーディオ符号化のための通信会議の応用とBフォーマット・マイクロホンアレイ」、第30回AES国際学会:インテリジェントオーディオ環境、2007年3月
M.カリンガー、F.キュッヒ、R.シュルツ−アムリン、G.デル ガルド、J.アホネン、V.プルキ著、「方向オーディオ符号化における応用のための平面マイクロホンアレイの解析及び調整」、第124回AESコンベンション、アムステルダム、オランダ、2008年5月17〜20日
H.バルツェルト著、ソフトウェア技術の教科書(ソフトウェア開発)、1996年、ハイデルベルク、ベルリン、オクスフォード:スペクトルアカデミシャー出版
“http://en.wikipedia.org/wiki/Nassi%E2%80%93 Shneiderman . . . diagram”、2010年3月31日アクセス
R.シュルツ−アムリン、F.キュッヒ、M.カリンガー、G.デル ガルド、J.アホネン、V.プルキ著、「方向オーディオ符号化を用いた空間音響の解析及び再生のための平面マイクロホンアレイ処理」、第124回AESコンベンション、アムステルダム、オランダ、2008年5月
Claims (5)
- 3対のマイクロホン(R1、R2、R3、R4、R5、R6)と、
3つの直交する空間軸のうちの1つの空間軸において、マイクロホンの各対を支持するための機械的支持体であって、前記3つの直交する空間軸は、2つの水平軸および1つの垂直軸を有する、前記機械的支持体と
を含むことを特徴とする、マイクロホンアレイ。 - リスニングルームにおける前記マイクロホンアレイの位置決めのためのレーザ(30)であって、レーザ光線が前記水平軸(31、32)のうちの1つと平行である又は一致するように前記機械的支持体に固定して連結される、前記レーザ、
を更に含むことを特徴とする、請求項1に記載のマイクロホンアレイ。 - 前記3つの直行する空間軸が互いに交差する位置に設置される第7のマイクロホン(R7)を更に含み、
前記機械的支持体は、第1の水平方向の機械軸(31)と、第2の水平方向の機械軸(32)と、前記第1および第2の水平方向の機械軸(31、32)の交点と交差する仮想の垂直軸に対して中心を外して設置される第3の垂直方向の機械軸(33)とを含み、
前記第3の垂直方向の機械軸(33)は、上部の水平方向のロッド(34a)および下部の水平方向のロッド(34b)に固定され、前記上部の水平方向のロッド(34a)および前記下部の水平方向のロッド(34b)は、前記第1の水平方向の機械軸または前記第2の水平方向の機械軸と平行であり、
前記第3の垂直の機械軸(33)は、連結場所(35)において、前記第7のマイクロホン(R7)の場所と、前記3対のマイクロホンのうちの1対の隣接するマイクロホン(R2)との間で、前記第1および第2の水平方向の機械軸のうちの1つに固定されることを特徴とする、請求項1または2に記載のマイクロホンアレイ。 - マイクロホンの各対の前記マイクロホン間の距離が5cmと8cmとの間にあることを特徴とする、請求項2または3に記載のマイクロホンアレイ。
- すべてのマイクロホンは、前記マイクロホンが同じ方向に方向付けられるように、前記機械的支持体に固定された音圧マイクロホンであることを特徴とする、請求項1〜4のいずれかに記載のマイクロホンアレイ。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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US31971210P | 2010-03-31 | 2010-03-31 | |
US61/319,712 | 2010-03-31 | ||
EP10159914.0 | 2010-04-14 | ||
EP10159914A EP2375779A3 (en) | 2010-03-31 | 2010-04-14 | Apparatus and method for measuring a plurality of loudspeakers and microphone array |
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JP2013501821A Division JP5659291B2 (ja) | 2010-03-31 | 2011-03-30 | 複数のスピーカ及びマイクロホンアレイを測定するための装置及び方法 |
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JP2015080233A true JP2015080233A (ja) | 2015-04-23 |
JP5997238B2 JP5997238B2 (ja) | 2016-09-28 |
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JP2013501821A Active JP5659291B2 (ja) | 2010-03-31 | 2011-03-30 | 複数のスピーカ及びマイクロホンアレイを測定するための装置及び方法 |
JP2014242972A Active JP5997238B2 (ja) | 2010-03-31 | 2014-12-01 | 複数のスピーカ及びマイクロホンアレイを測定するための装置及び方法 |
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US (2) | US9215542B2 (ja) |
EP (3) | EP2375779A3 (ja) |
JP (2) | JP5659291B2 (ja) |
KR (2) | KR101731689B1 (ja) |
CN (2) | CN104602166B (ja) |
AU (2) | AU2011234505B2 (ja) |
BR (1) | BR112012025012A2 (ja) |
CA (2) | CA2873677C (ja) |
ES (2) | ES2463395T3 (ja) |
HK (2) | HK1181947A1 (ja) |
MX (1) | MX2012011242A (ja) |
PL (2) | PL2731353T3 (ja) |
RU (1) | RU2616345C2 (ja) |
WO (1) | WO2011121004A2 (ja) |
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