the formula of reverberation time by w. c. sabine is a foundation of architectural acoustics.

赛宾的「混响时间」公式，奠定了建筑声学的基础。

the reverberation time was probably slightly less than 1.6 seconds when fully occupied.

满员时混响时间很可能略小于1.6秒。

the reverberation time is the most basic comment of the tone chamber.

混响时间是评价声室的基本参量。

to achieve optimum acoustic condition for various functions, adjustable reverberation time device controlled by computer is installed in the hall.

为使各项功能均具有最佳的声学条件，设置了用计算机调控混响时间的装置。

the reverberation time and noise level of tunnel-typed public works can be reduced by adding large amount of acoustical structure with high absorptive coefficient.

隧道型公共设施的声环境，可以使用大量具有高吸声系数的吸声构造，铺设于隧道拱壁及轨道铺面，以降低混响时间及噪声。

the original method to confirm reverberation time in designs is to use computational formula w . c. sabin put forward in early century.

最初在设计中确定混响时间的方法是利用w·c·赛宾在本世纪初提出的计算公式。

reverberation time is not only an important index in architectural acoustics design, but also an important parameter to appraise gyms' timbre quality.

混响时间是建筑声学设计中一个重要指标，混响时间也是评价一个体育馆音质效果的重要参量。

the expected reverberation time is called the effective reverberation time.

对应得到的混响时间称为有效混响时间。

it is concluded that at low frequencies there is more deviation if signal-to-noise ratio is low or the reverberation time is short.

结果表明，不同的数据处理方法在低频段、信噪比较小以及混响时间较短的情况下对声学参量的影响较大；

one reason for the error between calculating and measuring values of the reverberation time is that the calculating error is neglected.

忽略吸声系数数值客观存在的计算误差，是造成混响时间计算与实测值误差的原因之一。

the seating arrangement is quite efficient(tight by modern standards), and the relatively low(1.2 sec) reverberation time makes for good intelligibility.

座位安排是相当有效的(按现代标準，紧凑)，而相对低的(1.2秒)混响时间则保障了良好的语音清晰度。

and the other is to calculate k3 by reverberation time t of simply constructed semi-anechoic room.

另一种是通过测量简易半消声室的混响时间t来计算k_3。

fig. 1 comparison of relative reverberation time estimated by different truncating time under different snr (1000hz, 1/3oct. )

值的有无，以及的延迟所造成的混响时间测量结果相对误差小于1%。

sound absorption materials is always used in controlling reverberation time in the acoustical design of studios.

对演播厅混响时间的控制，在声学设计上往往通过安装吸声材料来实现。

finally, as an example, sound energy density and reverberation time in a rectangle cavity are calculated and compared with those given by experiment respectively.

并以此为基础，提出了混响时间、清晰度和明晰度、中心时间等重要音质参数的计算模型。

the quantitative evaluation of the timbre is given by testing the empty yard reverberation time and calculating the full yard reverberation time of the gymnasium in china three gorges university.

通过对三峡大学室内体育馆空场混响时间的测试及对满场混响时间的推算，给出了定量的音质评价。

in order to simulate narrowband reverberation time series easily, the simulation method designed based on simulating reverberation complex envelop, which is feasible for any sampling frequency.

针对窄带发射信号，为了便于计算，设计了一种适用于任意采样率的基于复包络的混响信号仿真方法。