RT60混响时间计算器 | TheaterOwl

Calculating RT60 Reverberation Time is a fundamental and crucial step in home theater design. It is not just about measuring distance; it must be designed based on scientific evidence to maximize human visual perception limits and immersion. Incorrect settings can cause eye strain or fail to take advantage of resolution benefits. This tool complies with industry standards such as THX and SMPTE guides to provide the most precise data.

工作原理

This system utilizes complex trigonometry and optical formulas. Based on the input variables (screen size, resolution, viewing angle, etc.), it simultaneously calculates the minimum distance where pixels do not appear clustered and the maximum immersion distance that fills the entire field of view. All results are reflected in real-time, suggesting figures optimized for the user's environment.

应用场景

• When simulating the installation space before purchasing new RT60 Reverberation Time equipment
• When wanting to optimize the performance of an existing home theater system and achieve professional-level tuning
• When needing to find a compromise for the best audiovisual experience within space constraints

如何使用RT60计算器

输入房间尺寸（宽、长、高）并为6个表面选择材料。计算器使用赛宾公式：RT60 = 0.161 × V / A（V：房间体积m³，A：总吸声量m²）。

家庭影院理想RT60为0.3–0.5秒。混凝土、瓷砖、玻璃等硬表面较多时RT60较高。地毯、窗帘、吸音板等软表面降低RT60。

NRC（降噪系数）范围从0.0（完全反射）到1.0（完全吸收）。地毯NRC约0.40，吸音板0.70–0.95，专业吸音棉可达NRC 0.80–0.90。

常见问题

RT60是什么，为什么对家庭影院重要？

RT60是声音停止后衰减60dB所需的时间。家庭影院理想RT60为0.3-0.5秒。超过0.6秒声音混浊，低于0.2秒听起来不自然且令人疲劳。

赛宾公式是什么？

赛宾公式：RT60 = 0.161 × V / A，V为房间体积（立方米），A为总吸声量（平方米，各表面面积×NRC系数之和）。

如何降低家庭影院的RT60？

添加柔软吸声材料：地毯（NRC 0.40）、厚窗帘（NRC 0.50）、吸音板（NRC 0.70-0.95）、布艺家具。避免混凝土、瓷砖、玻璃等硬表面。