音響擴聲系統相對于視頻顯示系統來說要更加的復雜一些，因為不同的人對于感官上的認知是難于達成一致。另外音頻信號經過傳輸、處理、后經過揚聲器擴聲之后，產品沒有好的品質聲音效果難以保證，也有諸多現場因素的影響。在會議室擴聲系統中，針對會議室去設計和選擇音響系統，有如下幾方面需要注意：
The sound reinforcement system is more complex than the video display system, because it is difficult for different people to reach an agreement on sensory cognition. In addition, after the audio signal is transmitted, processed and amplified by speakers, it is difficult to guarantee the sound effect without good quality, and there are also many on-site factors. In the conference room sound reinforcement system, the following aspects should be paid attention to when designing and selecting the sound system for the conference room:
會議室的空間布局，如長寬高尺寸；會議室類型又可以分為圓形會議室、長方形會議室、其他不規則形狀會議室等等。
Space layout of the meeting room, such as length, width and height; Conference rooms can be divided into circular conference rooms, rectangular conference rooms, other irregular shape conference rooms and so on.
音響系統設計，是有相應的標準的，只是現實情況中有些會議室在建設之初并沒有嚴格按照建筑聲學的要求去做裝修裝飾設計，這直接導致了后續在設計音響系統時需要花費大量的精力與技術力量去反復的調試，后甚還是達不到預期。
The state has corresponding standards for sound system design, but in reality, some conference rooms did not do decoration design in strict accordance with the requirements of architectural acoustics at the beginning of construction, which directly led to the subsequent need to spend a lot of energy and technical strength to repeatedly debug the sound system design, and even failed to meet the expectations.
會議室的裝飾情況，是否大部分區域采用了吸音材料？
The decoration of the conference room. Are sound-absorbing materials used in most areas?
這跟上面描述的差不多，擴聲效果的優劣有兩大方面音響：一是建聲條件是否理想，二是電聲設計是否合理。其中建聲條件是基礎，需要去深入親身感受。
This is similar to the above description. The sound reinforcement effect has two aspects: one is whether the sound conditions are ideal, and the other is whether the electroacoustic design is reasonable. The sound building condition is the foundation, which needs to be deeply experienced.
整個音頻系統中源頭的拾音器設備的選擇，有鵝頸話筒、數字會議話筒、無線手持話筒、界面話筒等等，不建議用界面或者全向類型的話筒，后續非常難調試，且增益不敢開的很大，容易出現嘯叫。這是在部署揚聲器的時候，位置的選擇需要考究一下，盡量與話筒保持一定的距離。
The source pickup equipment in the whole audio system includes gooseneck microphone, digital conference microphone, wireless handheld microphone, interface microphone, etc. it is not recommended to use interface or omni-directional microphone. It is very difficult to debug later, and the gain is too large to open, which is prone to howling. When deploying loudspeakers, the position should be carefully selected to keep a certain distance from the microphone.
山東會議室音響廠家認為音頻的處理，傳統的多采用模擬調音臺，現在更多的選用數字音頻處理器（若視頻會議室的話選配帶AEC回聲抑制功能的數字處理器），選用數字音頻處理器的話需要注意其操作問題（因為其設備本身沒有像調音臺一樣的推子或者旋鈕），可以選擇有適配控制面板的，也可以接入智能控制系統通過PAD控制。
Shandong conference room audio manufacturers believe that the traditional audio processing method is to use analog mixer, and now more digital audio processors are used (if the video conference room is equipped with a digital processor with AEC echo suppression function). If the digital audio processor is selected, its operation needs to be paid attention to (because the equipment itself does not have a pusher or knob like the mixer). It can be selected with an adaptive control panel, It can also be connected to the intelligent control system and controlled through pad.
然后是功放與音箱的選擇，會議室使用頻率較高，語言擴聲為主，且會議室層高一般不高，用戶對于空間的利用率要求高。目前線性音柱音箱不管在美觀方面、安裝方面還是效果方面都可以保證會議室的語言擴聲使用，但在選擇的時候也關注一下該音柱音箱的低頻部分，大部分音柱音箱低頻部分不是很夠。同時也基于場地因素合理配置主音箱、補聲音箱等。如主音箱采用音柱音箱、補聲音箱采用天花音箱。
Then there is the choice of power amplifier and speaker. The conference room has a high frequency of use, mainly language sound reinforcement, and the floor height of the conference room is generally not high. Users have high requirements for space utilization. At present, the linear sound column speakers can ensure the use of language reinforcement in the conference room in terms of aesthetics, installation and effect. However, when selecting, pay attention to the low-frequency part of the sound column speakers. Most of the low-frequency parts of the sound column speakers are not enough. At the same time, the main speakers and supplementary speakers are reasonably configured based on the site factors. For example, the main sound box adopts the sound column sound box, and the supplementary sound box adopts the ceiling sound box.
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