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Yamaha MY4-AECの取扱説明書

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  • Yamaha MY4-AEC - page 1

    ACOUSTIC ECHO CANCELLER CARD MY 4 - AEC Owner’s Manual Bedienungsanleitung Mode d’emploi Manual de instrucciones Manuale di istruzioni Руководство пользователя 取扱説明書 JA ZH RU IT ES FR DE EN ENGLISH DEUTSCH FRANÇAIS ESPAÑOL ITALIANO 中文 日本語 MY 4 - AEC ACOUSTIC ECHO CANCELLER CARD ...

  • Yamaha MY4-AEC - page 2

    FCC INFORMA TION (U .S.A.) 1. IMPORT ANT NOTICE: DO NOT MODIFY THIS UNIT! This product, when installed as indicated in the instructions contained in this manual, meets FCC requirements. Modifications not expressly a pproved by Y amaha may void your authority , granted by the FCC, to use the product. 2. IMPORT ANT : When connecting this product to a ...

  • Yamaha MY4-AEC - page 3

    MY4-AEC Owner’s Manual 3 PRECAUTIONS PLEASE READ CAREFULL Y BEFORE PROCEEDING * Please k eep this manual in a saf e place for future refere nc e . WA RN I N G Always follow the basic precautions listed below to avoid the possibility of serious injury or even death from electrical shock, short-circuiting, damages, fire or other hazards. These prec ...

  • Yamaha MY4-AEC - page 4

    4 MY4-AEC Owner’s Manual Info rmation f or Users on Collection and Disp osal of Old Equipment This symbol on the products, pac kaging, and/or accompany ing documents means that used electrical and electronic products should not be mix ed with general household waste . For pr oper treatment, recov er y and recycling of old pr oducts, please take t ...

  • Yamaha MY4-AEC - page 5

    MY4-AEC Owner’s Manual 5 Intr oduction Thank you for choosing the Y amaha MY4-AEC. The MY4-AEC is an acoustic echo canc eller card designed for use with the DME64N/24N Digit al Mixing Engines that can effect ively reduce troublesome acou stic echoes due to secondary pick up of speaker output and reflect ions from room surfaces in tel econferencin ...

  • Yamaha MY4-AEC - page 6

    6 MY4-AEC Owner’s Manual P rinciple of Oper ation How A coustic Echo an d Noise are R educed Acoustic echo occurs in a teleconfer encing syst em when the sound from a speaker or refl ections from surfaces of th e room ar e pick ed up by a microphone and tr ansmitted to the other party , resulting in a loss of intelligibi lity . Projectors and air ...

  • Yamaha MY4-AEC - page 7

    MY4-AEC Owner’s Manual 7 MY4-AEC Signal Flow The local and remote locations in a te leconferenc ing system ar e referred to as the “near end” and “far end”, respectively . The MY4-AEC a coustic echo canceller (AEC) works by comparing the refer ence signal received fr om the far -end with the signal from the micr ophone in order to determi ...

  • Yamaha MY4-AEC - page 8

    8 MY4-AEC Owner’s Manual The Connect ors and Their F u nctions AES/EBU IN and OUT Connectors These connectors support four channels of AES/EBU format digital audio input and output to and from the host DME64N/2 4N unit, but those si gnals are not dir ectly routed via the MY4-AEC processing section. Signals f rom the host’ s analog or digital in ...

  • Yamaha MY4-AEC - page 9

    MY4-AEC Owner’s Manual 9 DME Processing DME64N/24N MY4-AEC AEC Processing SRC SRC AES/EBU [OUT1/2][OUT3/4] AES/EBU [IN1/2][IN3/4] Analog Out Mic In ...

  • Yamaha MY4-AEC - page 10

    10 MY4-AEC Owner’s Manual Eur oblock Connec tion Please be sure to use the supplied Eur oblock plugs to connect the AES/EBU [IN] and [OUT] connectors. Cable prepar ation • T o prepar e the cable for attachment to a Eur oblock connector , strip the wir e as shown in the illustration using stranded wir e to make connections. W ith a Euroblock con ...

  • Yamaha MY4-AEC - page 11

    MY4-AEC Owner’s Manual 11 1 Loosen terminal scre ws. NOTE A slotted screwdriver with a blade width of about 3 millimeters is recommended. 2 Insert cables. 3 Se cu rely ti gh ten te rmi na l scr ews. Pull the cables (not t oo strongly) to confirm that they are secur ely connected. Loosen. Slotted Screwdriver Te r m i n a l Screw Euroblock Plug Ta ...

  • Yamaha MY4-AEC - page 12

    12 MY4-AEC Owner’s Manual 4 Bundle the cables and the Eurobloc k tab using t he supplied cable tie . NOTE T rim any excess part of the cable tie as necessary . 5 Inser t the Euroblock plug into the AES/EBU [IN] or [OUT] connector of the MY4-AEC. ...

  • Yamaha MY4-AEC - page 13

    MY4-AEC Owner’s Manual 13 Basic Connection and Set up This is an example of a teleconfere ncing system set up to allow multiple participants to hold conferen ces with a remote location (“Of fice X”). The first step is to make the basic local (near end) conne ctions and determine the optimum microphone an d speaker locations as well as gain se ...

  • Yamaha MY4-AEC - page 14

    14 MY4-AEC Owner’s Manual 3 Make the requir ed vir tual connections in the DME Designer configuration win dow. • Connect the signals from micropho ne inputs 1 – 4 to th e “Near -end Mic. 1” – “Near -end Mic. 4” inputs on the AEC component. • Place an oscillator that will be used for AEC adjustment in the configuratio n window and ...

  • Yamaha MY4-AEC - page 15

    MY4-AEC Owner’s Manual 15 4 Speak into the microphones as y ou would during an actual conference and adjust the input ga in of each channel. Adjust the DME24N HA Gain while watching the “Mic. In” meters in the AEC component editor so that the yellow segment lights only occasionally . NOTE AEC may not function properly if the gain is set too h ...

  • Yamaha MY4-AEC - page 16

    16 MY4-AEC Owner’s Manual 5 Open the Oscillator component editor , set the Wa ve F orm type to “Pink, ” and engage the Output sec tion “On” but ton. Go back to the AEC component editor and, while watching the “Ref. In” meter , adjust the oscillator output level so that t he yellow segment lights only occasionally . ...

  • Yamaha MY4-AEC - page 17

    MY4-AEC Owner’s Manual 17 6 Check that the ERL (Echo Ret urn Loss) meter in the AEC component is moving. If this meter is moving ov er a wide range it means that a large portion of t he pink noise being output from the speaker is being picked up by the corre sponding microphone, and therefo re a large amount of echo will be transmitted to the r e ...

  • Yamaha MY4-AEC - page 18

    18 MY4-AEC Owner’s Manual 1 Connect the microphones, speakers, and teleconferencing s ystem to the analog [IN] and [OUT] connectors on the rear panel of the DME24N as shown in the diagram. Four microphones can be conn ected at the near -end location, allowing multiple conferenc e participants. Remot e Connection and Set tings Meeting Room (Near E ...

  • Yamaha MY4-AEC - page 19

    MY4-AEC Owner’s Manual 19 2 Make the requir ed vir tual connections in the DME Designer configuration win dow. • Connect the signal from th e four local mi crophones (Mic1 – Mic4) and the audio signal from the r emote location (From Of fice X) to the appropr iate inputs of the AEC component. • Mix the “Near -end V oice 1” – “Near -e ...

  • Yamaha MY4-AEC - page 20

    20 MY4-AEC Owner’s Manual 3 Adjust the DME Designer AEC component editor par ameters so that acoustic echo is ef fectivel y cancelled from the audio signal sent to Of fice X. Begin by checking that the connec tion with Office X is working pr operly and that conversation is possible. If echo can be hear d with the default AEC section Effect settin ...

  • Yamaha MY4-AEC - page 21

    MY4-AEC Owner’s Manual 21 Using one MY4-AEC card, multiple participants in two meeting r ooms can teleconference with two separate remote locat ions (“Office X” and “Office Y”). Referrin g to Example 1, use an oscillator component to determine the ideal microphone and speaker positions for each meeting r oom. The following equipment is us ...

  • Yamaha MY4-AEC - page 22

    22 MY4-AEC Owner’s Manual Network Network Office X (Remote – Far End) Office Y (Remote – Far End) Teleconferen cing system Teleconferen cing system OUT (Analog) IN/OUT (Analog) Small Mee ting Room (Near End) Microphone 1 Speaker 1 Speaker 2 IN (Analog) Microphone 2 Medium Meeting Room (Near End) DME24N MY4-AEC + Microphone 1 Microphone 2 Spea ...

  • Yamaha MY4-AEC - page 23

    MY4-AEC Owner’s Manual 23 2 Make the requir ed vir tual connections in the DME Designer configuration win dow. • Connect the sign al from the micr ophones in the small and medium local meeting roo ms (Conf S Mic1/2 and Conf M – Mic1/2) and the audio signal fr om the remote locations (From Of fice X and From Offi ce Y) to the appropriate i npu ...

  • Yamaha MY4-AEC - page 24

    24 MY4-AEC Owner’s Manual 3 In the Matrix Rout er section of the AEC c omponent editor , select one or more of the “F rom Far-end A – D signals” to be used as the ref erence for each AEC channel 1 – 4. The “On” buttons in the Matrix Rout er sect ion can be used to select microphones and locations for each meeting r oom. For this examp ...

  • Yamaha MY4-AEC - page 25

    MY4-AEC Owner’s Manual 183 Appendix Specifications  GENERAL SPECIFIC A TIONS  DIGIT AL INPUT/OUTPUT C HARA C TERISTICS Sampling Frequency 44.1kHz-10% to 48kHz+6%, 88.2kHz-10% to 96kHz+6% Power requir ements 5V : 395mA 3.3V : 295mA T emperature Range Operating 0 to +40°C Storage -20 to +60°C Weight 160g Te r m i n a l Fo rm a t Audio Data ...

  • Yamaha MY4-AEC - page 26

    184 MY4-AEC Owner’s Manual Dimensions 164.1 ( 12 ) 176.1 40 120 unit: mm ...

  • Yamaha MY4-AEC - page 27

    MY4-AEC Owner’s Manual 185 * Specifications and de scriptions in this owner ’s manual are for inf or mation pur poses only . Y amah a Corp. reserves the right to change or modify pro ducts or specific ations at any time w ithout prior notice. Since specif ications, equipme nt or options ma y not be the same in e very locale, p lease check w ith ...

  • Yamaha MY4-AEC - page 28

    186 MY4-AEC Owner’s Manual Memo ...

  • Yamaha MY4-AEC - page 29

    MY4-AEC Owner’s Manual 187 Memo ...

  • Yamaha MY4-AEC - page 30

    188 MY4-AEC Owner’s Manual ...

  • Yamaha MY4-AEC - page 31

    MY4-AEC Owner’s Manual 189 ...

  • Yamaha MY4-AEC - page 32

    190 MY4-AEC Owner’s Manual CAN ADA Y amaha Canada Music Ltd. 135 Milner Avenue, Scarborough, Ontario, M1S 3R1, Canada T el: 41 6-298-1311 U.S . A. Y amaha Corpora tion of America 6600 Orangethorpe Ave., Buena Park, Calif. 90620, U.S.A. T el: 71 4-522-9011 MEXICO Y amaha de México S.A. de C.V . Calz. Javier Roj o Gómez #1149 , Col. Guadalupe del ...

  • Yamaha MY4-AEC - page 33

    MY4-AEC Owner’s Manual 191 DENMARK Y amaha Music Europe GmbH, T yskland – filial Denmark Generatorvej 6A, DK-27 30 Herlev , Denmark T el: 44 92 49 00 NORW A Y Y amaha Music Europe GmbH Germany - Norwegian Branch Grini Næringspark 1, N-134 5 Østerås, Norway T el: 67 16 77 70 RUS SIA Y amaha Music (Russia) Room 37, bld. 7, K ievskaya street, M ...

  • Yamaha MY4-AEC - page 34

    C.S.G., Pro Audio Division © 2011 Y amaha Corporation 109MWTO-A0 Printed in Japan WW75420 Y amaha Pro A udio global web site http://www .yamahaproaudio.com/ Y amaha Manual Library http://www .yamaha.co.jp/manual/ ...

メーカー Yamaha カテゴリー Noise Reduction Machine

Yamaha MY4-AECのメーカーから受け取ることができるドキュメントは、いくつかのグループに分けられます。その一部は次の通りです:
- #BRANDの図面#
- MY4-AECの取扱説明書
- Yamahaの製品カード
- パンフレット
- またはYamaha MY4-AECの消費電力シール
それらは全部重要ですが、デバイス使用の観点から最も重要な情報は、Yamaha MY4-AECの取扱説明書に含まれています。

取扱説明書と呼ばれる文書のグループは、Yamaha MY4-AECの取り付け説明書、サービスマニュアル、簡易説明書、またはYamaha MY4-AECのユーザーマニュアル等、より具体的なカテゴリーに分類されます。ご必要に応じてドキュメントを検索しましょう。私たちのウェブサイトでは、Yamaha MY4-AECの製品を使用するにあたって最も人気のある説明書を閲覧できます。

関連する取扱説明書

Yamaha MY4-AECデバイスの取扱説明書はどのようなものですか？
取扱説明書は、ユーザーマニュアル又は単に「マニュアル」とも呼ばれ、ユーザーがYamaha MY4-AECを使用するのを助ける技術的文書のことです。説明書は通常、全てのYamaha MY4-AECユーザーが容易に理解できる文章にて書かれており、その作成者はその分野の専門家です。

Yamahaの取扱説明書には、基本的な要素が記載されているはずです。その一部は、カバー/タイトルページ、著作権ページ等、比較的重要度の低いものです。ですが、その他の部分には、ユーザーにとって重要な情報が記載されているはずです。

1. Yamaha MY4-AECの説明書の概要と使用方法。説明書にはまず、その閲覧方法に関する手引きが書かれているはずです。そこにははYamaha MY4-AECの目次に関する情報やよくある質問、最も一般的な問題に関する情報を見つけられるはずです。つまり、それらはユーザーが取扱説明書に最も期待する情報なのです。
2. 目次。Yamaha MY4-AECに関してこのドキュメントで見つけることができる全てのヒントの目次
3. Yamaha MY4-AECデバイスの基本機能を使うにあたってのヒント。 Yamaha MY4-AECのユーザーが使い始めるのを助けてくれるはずです。
4. トラブルシューティング。Yamaha MY4-AECに関する最も重要な問題を診断し、解決するために役立つ体系化された手続き
5. FAQ。よくある質問
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