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Here you'll find impulse response (ir) recordings taken from various places. You can feed them into
convolution reverb plugins like e.g. SIR
(v1 is freeware, v2 not) or Voxengo
pristine space (payware) to recreate the room they were taken in. All ir files have been captured using
the single shot method for reasons of simplicity. Every response file is 24 bit / 96 kHz
stereo, uncompressed pcm. Remember that such a response can only be like a snapshot,
a polaroid of the conditions at the time it was taken. At the bottom of the page you'll find archives with
the impulse sets conveniently packed together. If you have any question, suggestion, or problem, you may very likely find a
corresponding thread in our message board. |
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| impulse responses |
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| 1 - freight car |
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A rather small, boomy metallic space from inside this old freight car. Note that there wasn't any snow around at the time of recording.
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ir freight car (1,2mb)
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| 2 - indoor swimming pool |
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An (almost) empty swimming pool, sized approx. 20 x 8 m, facing demolition.
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ir swimming pool (820kb)
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| 3 - underground car park |
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A medium underground car park, providing space for ~400 cars total, nearly empty at that time.
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ir car park (2,9mb)
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| 4 - road tunnel |
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A car tunnel with a length of 1080 m; inner dimensions being 9,5 x 4,5 m. The second recording is the same
impulse travelling through the whole tunnel. You can either cut away the 'silence' (tunnel ambience) at the
beginning or leave it as is for the delay the sound will have just by passing through the whole 1080 meters.
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ir road tunnel entrance (7,2mb)
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ir road tunnel through (10,8mb)
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| 5 - quarry |
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A huge, spacious quarry, approximately 500 meters long (image perspective) and 200 meters wide. The yellow dot down there actually is a full-sized digger.
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ir quarry (2,35mb)
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| 6 - small temple |
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A small building called the Schwanentempel (swan temple). Because of its symmetric shape and the dome roof, it has a resonance spot in the center axis, which the impulse tried to capture as good as possible.
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ir small temple (0,8mb)
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| 7 - outdoor swimming pool |
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An outdoor training pool, which obviously has been empty at the time of recording.
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ir outdoor swimming pool (1,7mb)
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| 8 - underground car park II |
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Another underground car park, providing space for 333 cars, empty as well.
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ir car park 2 (4,2mb)
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| 9 - rail tunnel |
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A dual track rail tunnel with a length of 240 m. The second recording is the same impulse travelling through the whole tunnel. Here as well you can either cut away the 'silence' (tunnel ambience) at the beginning or leave it as is for the delay the sound will have just by passing through the whole 240 meters. These impulses come with extra birds!
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ir rail tunnel entrance (2,2mb)
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ir rail tunnel through (2,7mb)
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| 10 - quarry II |
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Yet another quarry, approximately 500 by 180 meters. We tried to make use of wall reflections as much as possible.
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quarry 2 (3,5mb)
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| ir packs | |
All impulses from sources 1 - 5 in one archive.
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ir pack 1 280309 (21,3mb)
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All impulses from sources 6 - 10 in one archive.
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ir pack 2 190915 (12,0mb)
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