数字电影LED放映透声技术要求及测量方法  

The Technical Requirements and Measurement Methods of Sound Transmission for LED Projection in Digital Film

作　　者：张玉露 ZHANG Yulu(Xiamen Siming district Min-Taiwan Cultural Exchange Center,Xiamen 361000,China)

机构地区：[1]厦门市思明区闽台文化交流中心,福建厦门361000

出　　处：《电视技术》2024年第10期28-31,37,共5页Video Engineering

摘　　要：探讨发光二极管(Light Emitting Diode,LED)在数字电影放映中应用的透声技术所遵循的具体要求及其测量方法。通过分析某影城1号厅LED屏幕声学改造项目的实施,提出针对LED透声屏在声衰减控制、声音失真降低以及开孔率优化等方面的技术要求。基于这些要求,设计相应的测量方案,以期对LED透声屏的声学性能进行准确评估与验证。This paper discusses the specific technology of Light Emitting Diode(LED)used in digital movie projection and its measurement method.By analyzing the implementation of acoustic renovation project of LED screen in Hall 1 of a cinema,the technical requirements of LED screen in acoustic attenuation control,sound distortion reduction and hole rate optimization are put forward.Based on these requirements,the corresponding measurement scheme is designed in order to accurately evaluate and verify the acoustic performance of the LED transparent screen.

关 键 词：数字电影 发光二极管(LED) 透声技术 

分 类 号：TN931.2[电子电信—信号与信息处理]