Railroad tunnel - Purnode's Tunnel

Information

Description: 
IR collected in a 80 meters railway tunnel. 48K-32bit-stereo
Measurement Team: 
Valvalion
Capture Date: 
Fri, 19/12/2014
Source Sound: 
balloon
Source Sound Category: 
Balloon Pop
Microphone(s): 
Zoom H2N
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)
9.284.911.902.001.421.150.730.610.602.30

Early Decay Time EDT (seconds)
7.672.422.161.390.630.630.630.500.500.37

Definition D50
0.020.180.190.340.790.810.740.790.850.89

Clarity C50 (dB)
-16.15-6.46-6.23-2.955.886.224.575.857.409.18

Clarity C80 (dB)
-14.30-2.74-3.820.808.798.668.8110.1711.5913.31


Example Audio



Widget for external sites

Copy and paste this code to your website.

Impulse Responses

Format(s): 
Stereo (Stereo Files)
Stereo: 

Sample Rate: 48 kHz
Number of Channels: 2
Bits per Sample: 32
Duration: 1.53 s
File Size: 572.02 KB
File Format: wav
Source Sound: balloon
Microphone: ZOOM H2N
Source Location: End of the tunnel
Microphone Location: Start of the tunnel
Source Receiver Distance (m): 80 m
Source Height: 1.5 m
Receiver Height: 1.5 m
Temperature: 8 °C

Images

Photographs and Diagrams: 
Purnode's tunnel - Belgium
H2N setup
Railroad tunnel - Purnode's Tunnel

Location

Address: 
Purnode's tunnel
Belgium
Javascript is required to view this map.

Attribution

Attribute this work to: 
http://dreferd.tumblr.com/
http://dreferdblog.tumblr.com/
www.openairlib.net

Creative Commons license icon
License for this content: Public Domain Creative Commons license