IR files DVDs
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1. Mixverb Volume 1


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Mixverb Vol. 1 / WAV 32bit 96KHz   49

Mixverb Vol. 1 / WAV 24bit 96KHz   49

Mixverb Vol. 1 / AIFF 24bit 96KHz   49

Mixverb Vol. 1 / SD2 24bit 96KHz   49

Prices and specifications are subject to change without notice

DVD Content : 820 IRs

Folder organization

This DVD is organized as follow :
IRs are gathered in nine main categories within nine folders :

1. IR-ACOUSTIC MINIVERB :
True acoustic IRs of small objects like boxes, buckets and more.
2. IR-ACOUSTIC MODELING :
Computer simulation of various environments and rooms.
3. IR-ACOUSTIC MODELING CRE :
Computer simulation of various fantasy and creative environments and rooms.
4. IR-ACOUSTIC SPACE :
True acoustic IRs recorded in various environments and rooms.
5. IR-ELECTRO MECHANIC :
IRs recorded from various electromechanical devices like spring or plate reverberators.
6. IR-HIGH END HARDWARE :
IRs recorded from high-end electronic hardware reverberation units.
7. IR-LOW END HARDWARE :
IRs recorded from low-end electronic hardware reverberation units.
8. IR-SOFTWARE :
IRs recorded from various reverberation software.
9. IR-SPECIAL SOUND DESIGN :
IR intended for special effects. They are both acoustic and electronics.

User Manual

Mixverb-1.pdf 13.3 MB

Audio examples
Hear them !


About us
We are a team of professional sound designers working in a large range of sound and media activities, using advanced digital equipment and computer technologies.
Having a long time interest in acoustics and reverberation, we felt very concerned to further use, produce and develop impulse response files intended to convolution reverberation.
We worked for about one year to produce this first DVD collection.


Why have we recorded and produced such IRs

Analog and mechanical devices (from spring, plate and echo tape machines)
We found several reasons to record old analog devices IRs :
Old analog devices like echo tape machines, spring and plate reverberators have usually quite a bad signal to noise ratio (about 60 dB). Using sinus sweep recording technics gives, after deconvolution, a greater S/N ratio (80 to 100 dB) compared to original hardware machines.
This method allow to virtually increase S/N ratio keeping the original device sound quality and color.

As well, there is no need to use plug-ins or simulation software that reproduce such old devices.
Any convolution reverberator could do the same job. This represent another advantage to get old devices IRs.

Acoustic modeling : classic rooms & creative (from various simulators)
Some acoustic simulators can render 32 bit float reverberation IRs of non-existent, supernatural or fantasy custom acoustic environements and places (i.e. a rubber walls room).
Acoustic modeling allow very accurate geometrical structures simulations (i.e. a golden ratio room).

Software reverb (from computer reverb)
Using software reverb to create IRs gives the ability to mix, combine and modulate many reverb colors and algorythms. In that way, we could get a totaly new dimention in IR creativity and design.
Producing this software reverb IRs serie gives with only one plug-in (any convolution reverb) an access to this wide range of algorythms colors.

Special sound design (from various audio sources and sound processing software)
Isn’t it fun to convolve some resonant radiator or thunder strike with any audio source ?

Miniverb (from very small environments)
Why do not get small environments IRs like tea pots, plastic buckets or boxes ?
How could sound a fly inside a pipe ? … Try it !

Acoustic space (from real places or room environments)
These are the best, true and natural reverb we can hear.
At the present time, we recorded most of them at 96 KHz / 32 & 24 bit.


Audio files recording information
All files were recorded in WAV format (32 bit float IEEE type 3 @ 96 Khz).
A few of them were converted from 16/44.1, 24/48 and 24/96 recordings.
All IRs have a total dynamic range (fade out envelope) of 120 dB (files end at –120 dB VU). It doesn’t mean that IRs have obviously a S/N ratio of 120 dB.

Remark :
Due to some reverb software’s specifications limits, you may have to shorten tails (release envelope) of some IRs (i.e. very long reverbs) to a few seconds only.
In such cases, you may use any audio file editor to do this job.
If an IR’s tail is cut around –80 dB or less, don’t forget to apply a little fade out envelope at the end of file to smooth the cut.


Available file format product information

File format

Bit depth

Sampling frequency

AIFF

24 bit

96 KHz

24 bit

48 KHz

16 bit

44.1 KHz

WAV

32 bit float

96 KHz

24 bit

96 KHz

24 bit

48 KHz

16 bit

44.1 KHz

SD2 split

24 bit

96 KHz

24 bit

48 KHz

16 bit

44.1 KHz

Items in black are available online
Items in grey are available on demand only

All features and specifications are subject to change without notice

For all inquiries contact us at :


File compatibility
Our files are compatible with the following software & hardware convolution reverb :

Manufacturer Program Compatible format (type : • bit / freq)
Adobe
www.adobe.com
Audition
(previously Cool Edit Pro)
WAV + AIFF : • 16/44.1 • 24/48 • 24/96 • 32/96
Apple Emagic
www.emagic.de
Space Designer AIFF : • 24/48
Audio Ease
www.audioease.com
Altiverb SD2 split : • 16/44.1 • 24/48 • 24/96
Bias
www.bias-inc.com
Peak Impulseverb SD2 : • 16/44.1 • 24/48 • 24/96
Anders Torger
www.ludd.luth.se/~torger/brutefir.html
BruteFIR WAV : • 16/44.1 • 24/48 • 24/96 • 32/96
Catt Acoustic
www.catt.se
FIReverb suite (Multivolver) WAV : • 16/44.1 • 24/48 • 24/96 • 32/96
MAGIX Samplitude
www.samplitude.com
Room Simulator Resp. WAV : • 16/44.1 • 24/48 • 24/96 • 32/96
Pinacle Steinberg
www.steinberg.de
Acoustic Stamp WAV + AIFF : • 16/44.1 • 24/48 • 24/96 • 32/96
Prosoniq
www.prosoniq.com
Rayverb AIFF : • 16/44.1 • 24/48 • 24/96 • 32/96
Ressl Engineering
www.ressl.com.ar
RealReverb WAV
S.I.R
www.knufinke.de/sir
Super Impulse Response WAV : • 16/44.1 • 24/48 • 24/96 • 32/96
Sony
www.sonybiz.net/proaudio
DRE-S777 WAV : • 24/48 • 24/96
Sony media
http://mediasoftware.sonypictures.com
Acoustic mirror WAV : • 16/44.1 • 24/48 • 24/96 • 32/96
Tascam / Giga Studio
www.tascamgiga.com
Gigapulse WAV : • 24/48 • 32/96
Trillium lane labs
www.tllabs.com
TL Space WAV + AIFF: • 16/44.1 • 24/48 • 24/96 • 32/96
SD2 split : • 16/44.1 • 24/48 • 24/96
Voxengo
www.voxengo.com
Pristine Space WAV + AIFF : • 16/44.1 • 24/48 • 24/96 • 32/96
Waves
www.waves.com
IR-1 WAV : • 16/44.1 • 24/48 • 24/96 • 32/96
Yamaha
www.yamaha.co.jp/english/product/proaudio
SREV 1 WAV : • 24/48

All features and specifications are subject to change without notice