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舞台扩音是解决自然声源声功率不足,满足观众听觉需求的必要手段,也是为艺术服务的。但它不仅仅是服务,本身也参予了表演,除了要保证场地有足够的声功率和清晰度外,还要对节目跟踪配合,对音色调整加工,对声部进行平衡和作混响的处理。广东音乐曲艺节目的表演,有着它鲜明的地方色彩和艺术风格,广东音乐的演奏和粤曲、小曲的伴奏乐队所使用的乐器也和西洋管弦乐队以及其它地方戏曲乐队不尽相同,本人就广东音乐曲艺节目乐队演奏乐器在演出中话筒的设置方法,谈谈自己的体会。广东音乐以及曲艺节目的伴奏乐队,是属民族管弦乐类,乐队演奏乐器以粤胡(高胡)、扬琴、琵琶为主,各自风格独特,韵味浓郁,演奏技法丰富多彩,在表达悠美、抒情及轻快活泼的曲目时,有着独特的魅力。但由于这些民族乐器在琴体结构上的原因,它们和西洋乐器相比,显得高音尖硬而中低频不足,音域不够宽广,乐器声功率级差大,所以要使乐队整体平衡好,除了要在乐曲的配器上下功夫,还要依赖音响调控进行加工处理。在演出实践中,音响效果好的晚会除了演出场地的建声环境好,乐队的配器及演奏好之外,还要在乐队活筒的摆放位置和调音技术方面精心配合。如果话筒摆放的位置失误,即使乐队、配器建声是一流的,但始终不可能调出好的声音来。所以乐队的话筒摆设是一项相当高
Stage PA is to solve the lack of natural sound source sound power to meet the needs of the audience the necessary means of hearing, but also for art services. But it is not only a service but also a performance itself. In addition to ensuring adequate sound power and clarity of the venue, it also needs to track the program, adjust the tone, balance the vocals, and reverb deal with. Cantonese music and entertainment program performances, with its distinctive local color and style of art, Cantonese music and Cantata, song accompaniment orchestra used by the instruments and the Western orchestra and other local opera band is not the same, I myself Guangdong Music and music program Band playing instruments in the performance of the microphone settings, talk about their own experience. Guangdong music and folk music accompaniment band, is a national orchestra, the band playing instruments to Yuehu (Gaohu), dulcimer, lute, their unique style, rich flavor, rich and varied performance techniques, in the expression of beauty, lyrical and Light and lively track, has a unique charm. However, due to the structure of these national musical instruments in the body structure, they are compared with the western musical instruments, it seems hard and bass treble lack of middle and low frequency range is not broad enough, the instrument sound power level difference, so to make the band as a whole well balanced, Music device work hard, but also rely on sound control processing. In the performance of the performance, a good night of sound effects in addition to the performance of the construction site sound environment is good, the band’s equipment and performance is good, but also in the band live position and tuning technology with the well-coordinated. If the microphone is placed in a wrong position, it is always impossible to make a good sound, even if the band or device is first class. So the band’s microphone is a very high