The Dixon Studio Theatre - University of York

Information

Description: 
Inside Wentworth College at the University of York, this small theatre is host to small intimate audiences. Used mostly for unamplified performances, the space has 3 blocks of tiered seating to the stage left, right and centre. The room was measured without an audience and without the curtains extended. The 5 measurement positions and speaker placement are shown in the images. The positions were chosen to address possible scenarios of a theatre performance. The first 3 measurements were taken in the centre of the 3 tiered seating areas at 1.2m (sitting ear height). These are typical seating positions for a performance. The 4th with a height of 1.5m was chosen to mimic what a performer may hear whilst on stage. The 5th with a height of 1.5m is to emulate an audience member arriving late and staying near the entrance so as not to disturb the performance.
Measurement Team: 
Ben Lavin
Darren Robinson
Ya-Hsin Chou
Capture Date: 
Thu, 25/02/2016
Size: 
908.23 m³
Source Sound: 
Swept Sine; 20 Hz - 20 kHz, 30 Seconds
Source Sound Category: 
Swept sine (logarithmic)
Input: 
Genelec 8240A loudspeaker
Microphone(s): 
Soundfield SPS422B Microphone
Space Category: 
Theatre
Generation Type: 
Real World

Analysis

Demonstration Impulse Response: 

Waveform

impulseClick here or on the waveform to upload a sound from your computer and hear it in this space

Acoustic Parameters


Octave Band
31.25 Hz62.5 Hz125 Hz250 Hz500 Hz1 kHz2 kHz4 kHz8 kHz16 kHz

Reverberation Time RT60 T30 (seconds)
1.761.551.161.161.091.141.100.860.650.41

Early Decay Time EDT (seconds)
2.461.700.931.311.061.061.060.800.670.42

Definition D50
0.120.330.440.310.580.520.420.630.710.87

Clarity C50 (dB)
-8.69-3.00-1.00-3.381.470.43-1.362.293.828.24

Clarity C80 (dB)
-7.53-0.302.54-0.423.493.071.605.507.7013.58


Example Audio



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Impulse Responses

Format(s): 
B-Format (4 Channel Files)
B-Format: Multichannel: 

Sample Rate: 96 kHz
Number of Channels: 4
Bits per Sample: 16
Duration: 3 s
File Size: 2.2 MB
File Format: wav
Source Sound: Log sine sweep 20 Hz - 20kHz, 30secs
Microphone: Soundfield SPS422B Microphone
Source Location: 3.6m from the back wall, 6.9m from the stage right wall and 7.2m from stage left wall.
Microphone Location: opposite the source at sitting ear height, 1.9m from the wall, 6.9m from the stage right wall and 7.2m from stage left wall.
Source Receiver Distance (m): 6.4 m
Source Height: 1.5 m
Receiver Height: 1.8 m
Temperature: 19 °C


Sample Rate: 96 kHz
Number of Channels: 4
Bits per Sample: 16
Duration: 3 s
File Size: 2.2 MB
File Format: wav
Source Sound: Log sine sweep 20 Hz - 20kHz, 30secs
Microphone: Soundfield SPS422B Microphone
Source Location: 3.6m from the back wall, 6.9m from the stage right wall and 7.2m from stage left wall.
Microphone Location: Placed at ear height at sitting position on the second tier. 1.2m from the wall nearest wall and 6.2m from the rear stage wall
Source Receiver Distance (m): 6.1 m
Source Height: 1.5 m
Receiver Height: 1.7 m
Temperature: 19 °C


Sample Rate: 96 kHz
Number of Channels: 4
Bits per Sample: 16
Duration: 3 s
File Size: 2.2 MB
File Format: wav
Source Sound: Log sine sweep 20 Hz - 20kHz, 30secs
Microphone: Soundfield SPS422B Microphone
Source Location: 3.6m from the back wall, 6.9m from the stage right wall and 7.2m from stage left wall.
Microphone Location: Centre of second tier of the seats to the stage right. 1.2m from the nearest wall and 5.3 from rear stage wall
Source Receiver Distance (m): 5.5 m
Source Height: 1.5 m
Receiver Height: 1.7 m
Temperature: 19 °C


Sample Rate: 96 kHz
Number of Channels: 4
Bits per Sample: 16
Duration: 3 s
File Size: 2.2 MB
File Format: wav
Source Sound: Log sine sweep 20 Hz - 20kHz, 30secs
Microphone: Soundfield SPS422B Microphone
Source Location: 3.6m from the back wall, 6.9m from the stage right wall and 7.2m from stage left wall.
Microphone Location: 1.3m from back wall, 6.9m from the stage right wall and 7.2m from stage left wall.
Source Receiver Distance (m): 2.3 m
Source Height: 1.5 m
Receiver Height: 1.5 m
Temperature: 19 °C


Sample Rate: 96 kHz
Number of Channels: 4
Bits per Sample: 16
Duration: 3 s
File Size: 2.2 MB
File Format: wav
Source Sound: Log sine sweep 20 Hz - 20kHz, 30secs
Microphone: Soundfield SPS422B Microphone
Source Location: 3.6m from the back wall, 6.9m from the stage right wall and 7.2m from stage left wall.
Microphone Location: 1.1m from stage left wall and 1.2m from the curtain.
Source Receiver Distance (m): 9.2 m
Source Height: 1.5 m
Receiver Height: 1.6 m
Temperature: 19 °C

Images

Photographs and Diagrams: 
The room and source position.
Room setup.
2nd receiver position
The 4th receiver position
The 5th receiver position
Digital rendering.

Location

Address: 
The Dixon Theatre - York University
United Kingdom
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Attribution

Attribute this work to: 
www.openairlib.net
Ben Lavin
Darren Robinson
Ya-Hsin Chou
University of York