录音棚声学缺陷的处理方法有哪些?

2025-02-07 23:44:39
推荐回答(3个)
回答1:

说到录音棚,大家都不陌生。顾名思义,录音棚就是专门录音的地方,是人们为了创造特定的录音环境声学条件而建造的专用录音场所,录音棚主要用来录制歌曲、音乐、电影等。虽然录音棚算是一个比较安静的录音场所,但是,录音棚也存在着声学缺陷。而对于这些缺陷,又有哪些处理技巧呢。噪声控制录音棚的噪声是来自多方面的,它不是指某个地方所产生的单一的噪声。

录音棚的噪声既有来自录音棚外的噪声,也有来自录音棚内的噪声。录音棚外的噪声主要可分为二类,来自录音棚建筑之外,是来自建筑物之内,但又在录音棚之外的噪声。而录音棚的内部噪声主要是来自空调系统、灯光控制系统、录音棚工作时摄像机的移动噪声和工作人员的走动噪声等等这些内部的噪声。噪声是易传播的,噪声传入录音棚时主要通过三种途径进行传播,这三种传播途径分别是:噪声作用于墙壁、地板、天花板而产生振动,把声能辐射进录音棚;通过施工时留下的缝隙、没有密封的洞孔等经过空气传声传入录音棚;通过录音棚的墙面、顶面、或地面与外界的钢性联接通过固体传声而进入录音棚。这些就是噪声传播的途径。噪声的控制的隔声主要采用以下这些方法,在制作录音棚的时候要采用不同隔声量的多材质复合型隔声墙及对外的窗密封,这样基本就可以隔绝外界噪声对录音棚的影响。以上就是关于录音棚声学缺陷的处理技巧,希望能对大家有所帮助。毕竟了解一些关于这些方面的处理技巧,在使用起来碰到问题时也能够迎刃而解,减少一些麻烦。

回答2:

录音棚又叫录音室,它是人们为了创造特定的录音环境声学条件而建造的专用录音场所,是录制电影、歌曲、音乐等的录音场所,录音室的声学特性对于录音制作及其制品的质量起着十分重要的作用。人们可以根据需要对其进行分类,例如,可以按声场的基本特点划分而分为自然混响录音棚、强吸声(短混响)录音棚以及活跃端一寂静端(LEDE)型录音棚,也可以从用途角度划分而分为对白录音室、音乐录音室、音响录音室、混合录音室等等。有针对性的控制混响时间。在平常使用录音棚的时候,我们要根据录音棚空间的特性,以及现有设备的良好灵敏度和声音后期的可塑性处理。去设计出能够针对高、中、低频部分的吸收的混响时间,所以要采用难燃透声织物饰面吸声结构和槽木穿孔板饰面吸声结构去进行设计,因为这种材料能针对不同频段的声音进行有效的吸收。

回答3:

混响时间的控制。混响时间是声音在室内成长稳定后,声源突然就停止发声,并且在室内将从稳态开始衰减,直至衰减到为原有声能的百万分之一时的这段时间就是我们所谓的“混响时间”,其实也就是声音衰减60dB所需要的时间。选择最佳混响时间。适当的使用混响时间,可以使音乐更加丰满,语言更加洪亮、饱满而 且更加富有感染力。但是在使用混响时间的过程中,过短的混响时间会使声音显得干涩无力,而过长的混响时间,又会使语言的清晰度降低,音质缺乏节奏感和力度。因此,在不同的性质和要求的空间,必须选择一个“最佳”的混响时间。

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