更新時間：2022-06-16
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在音響系統(tǒng)的設(shè)計中，由于報告廳的多樣化需求，音響技術(shù)的設(shè)計需要實現(xiàn)多功能應(yīng)用、方便靈活的可擴展性等。讓我們來看看報告廳的聲音響應(yīng)是如何設(shè)計成多組件的。
In the design of professional audio system, due to the diversified needs of the lecture hall, the design of professional audio technology needs to achieve multi-functional application, convenient and flexible scalability, etc. Let's take a look at how the professional voice response of the lecture hall is designed into multiple components.
擴聲系統(tǒng)和拾音系統(tǒng)設(shè)計
Design of sound reinforcement system and pickup system
擴聲系統(tǒng)要求揚聲器均勻地覆蓋觀眾區(qū)的直達聲，以免聲音干擾過度重復(fù)，影響清晰度。方來的感覺，要求擴聲清晰響亮，有較高的傳聲增益。
The sound reinforcement system requires the speakers to cover the direct sound in the audience area evenly, so as to avoid excessive repetition of sound interference and affect the definition. Fang Lai's feeling requires clear and loud sound reinforcement with high sound transmission gain.
播放音樂節(jié)目時，要求聲音豐富、自然、清晰、明亮。保證整個擴聲系統(tǒng)的高可靠性、簡單明了的控制、設(shè)備的可擴展性。報告廳擴聲系統(tǒng)適用于各種文藝演出、歌舞表演、校務(wù)會議、學(xué)術(shù)報告燈光活動的需要。
When playing music programs, the sound shall be rich, natural, clear and bright. Ensure the high reliability, simple and clear control and equipment scalability of the whole sound reinforcement system. The sound reinforcement system of the lecture hall is applicable to the needs of various artistic performances, song and dance performances, school meetings, academic reports and lighting activities.
報告廳主擴聲系統(tǒng)
Main sound reinforcement system of lecture hall
在主擴聲揚聲器的布置和選擇上，可以采用線陣列揚聲器作為主擴聲系統(tǒng)，陣列全頻揚聲器分別懸掛安裝在舞臺前方的左上方和右上方。舞臺采用特殊吊架，實現(xiàn)全場高聲覆蓋。速率保證了聲音的豐滿度和豐富度。陣列低頻揚聲器放置在舞臺兩側(cè)的地面上或隱藏在墻下或舞臺下方，以增強音頻的動態(tài)和豐滿度。
In terms of the layout and selection of the main sound reinforcement speakers, the line array speakers can be used as the main sound reinforcement system, and the array full frequency speakers are respectively suspended and installed at the upper left and right in front of the stage. Special hangers are used on the stage to achieve high sound coverage of the whole audience. Speed ensures the fullness and richness of sound. Array low-frequency speakers are placed on the ground on both sides of the stage or hidden under the wall or under the stage to enhance the dynamic and fullness of audio.
全填充揚聲器和唇填充揚聲器
Full fill speakers and lip fill speakers
根據(jù)報告廳的大小，在觀眾區(qū)的左右墻上放置補聲喇叭，負責填補主擴聲系統(tǒng)聲音所覆蓋的盲區(qū)，讓前場的觀眾可以體驗到更完整的音效。揚聲器系統(tǒng)的合理布局和選型，滿足觀眾區(qū)對響度、聲場均勻性和音質(zhì)的要求。唇填式音箱提供了舞臺口周圍聲源的補充功能。
According to the size of the lecture hall, fill in the blind area covered by the sound of the main sound reinforcement system by placing fill in speakers on the left and right walls of the audience area, so that the front audience can experience a more complete sound effect. The reasonable layout and type selection of loudspeaker system shall meet the requirements of audience area for loudness, sound field uniformity and sound quality. The lip filled speaker provides a supplementary function for the sound source around the stage opening.
另外，通過分析報告廳的布置環(huán)境，合理安排和連接
報告廳音響設(shè)備，并安裝好上述音響設(shè)備，使聲源和音響系統(tǒng)的末端——音箱位于相同的聲場面積，讓觀眾感受到聲源的真實存在，滿足高保真播放的擴聲要求。聲音以自然聲為主，要求擴散性好、聲場分布均勻、響度合適、自然度好。
In addition, by analyzing the layout environment of the lecture hall, reasonably arrange and connect the sound equipment of the lecture hall, and install the above sound equipment, so that the sound source and the end of the sound system - the speaker are located in the same sound field area, so that the audience can feel the real existence of the sound source and meet the sound reinforcement requirements of high fidelity broadcasting. The sound is mainly natural sound, which requires good diffusion, uniform sound field distribution, appropriate loudness and good naturalness.
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