Purpose

These real-room recordings will be published together with a review paper on blind source separation, the reference for this will be available later so please come back for this. We invite people in the field of blind source separation to apply relevant algorithms on this data and send the results to us for reference in the review paper.

Frequently Asked Questions

Go to the FAQ page to read frequently asked questions and answers.

File naming convention

The recordings are stored in WAV files following the convention:

room<R>_mic<M>_source<B1><B2><B3><B4>.wav

where

R enumerates which room (see below).

M is 1,2,3 or 4 enumerating the microphone.

B1,B2,B3 and B4 is binary indication whether a source was on.

 

Room 1 recordings @ 44kHz

Room Info:	Chamber w. cushion walls. W1.5 W2 H2.5 meters
Scenario:	The sources were placed randomly in the room, either on the floor or on a table. The Microphones were placed randomly approx. 50cm from the walls at different heights.
Equipment:	Behringer ECM8000 omnidirectional microphones. SM Pro Audio PR4V microphone preamp. Standard desktop mono PC speakers were used for sources. Audiotrak Maya44USB soundcard for 4 channel recording.

Room 2 recordings @ 44kHz

Room 3 recordings @ 44kHz

Room 4 recordings @ 16kHz

Room Info:	Chamber w. cushion walls. W3.55 W4.45 H2.5 meters Source distances from microphones: around 100 cm
Scenario:	The all four microphones were placed 3-dimensionally around the center of the room with height around 125 cm. The maximum distance between any two microphones was 5.7 cm. The first three sources were placed at the same height with the microphones. The last source was placed at a different height.
Equipment:	Sony ECM-77B omnidirectional microphones. Yamaha HA8 microphone preamp. Bose 101MM speakers with 1705II power amplifier were used for sources. Dasbox model-500 for A/D and D/A converters.

Room 5 recordings @ 16kHz

Room Info:	Chamber w. cushion walls. W3.55 W4.45 H2.5 meters (the same room with room 4) Source distances from microphones: around 180 cm
Scenario:	The all four microphones were placed 3-dimensioanlly around the center of the room with height around 125 cm. The maximum distance between any two microphones was 5.7 cm. The first three sources were placed at the same height with the microphones. The last source was placed at a different height.
Equipment:	Sony ECM-77B omnidirectional microphones. Yamaha HA8 microphone preamp. Bose 101MM speakers with 1705II power amplifier were used for sources. Dasbox model-500 for A/D and D/A converters.

Room C recordings @ 44kHz (room 2 with new different sources)

Room O recordings @ 44kHz (room 3, with different sources)

Send Questions To

Questions regarding the recordings for room 1, room 2, room 3, room O, and room C, should be addressed to Mads Dyrholm. Questions regarding room 4 and room 5 should be addressed to Hiroshi Sawada.

Acknowledgement

The music used in these recordings for room 1, room 2, and room 3, was taken from "Germ Germ" by Das Böse Ding and has kindly been approved for public presentation by Jan Klare of Das Böse Ding in the name of research. Some of the music was writen and recorded by Mads Dyrholm. When using this data please acknowledge Mads Dyrholm, Hiroshi Sawada, and Lucas C. Parra.