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differences of IRs of the SYNCHRONized libraries
Last post Sun, Mar 01 2020 by Masi, 3 replies.
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Posted on Sun, Mar 01 2020 16:25
by Masi
Joined on Sat, May 11 2013, Posts 29

Hi!

I fooled around with using different IRs with the same instrument *. Besides the differences in positioning left and right I also noticed further changes in quality. Different frequency spectra are more or less prominent. Also IRs in extrem positions like tubular bells wash out the sound.

Is this only the room acoustics or have the IRs been differently recorded or processed? I'm not sure if I hrea or imagine diffferences according to the pitch range of the corresponding instruments.

Masi

  • I tried to position two snare drums to opposite sides by simple selecting different sides.

  • Posted on Sun, Mar 01 2020 17:30
    by Dietz
    Joined on Tue, Aug 06 2002, Vienna / Europe, Posts 7580

    Hi Masi,

    Quote:
    Is this only the room acoustics or have the IRs been differently recorded or processed?

    Both! :-)

    The IRs used for the Synchronized Instruments-series are derived from MIR Pro. MIR Pro interacts with each instrument in a very specific way. This interaction depends on many different factors, e.g.:

    - the chosen Main and Secondary Microphone positions and the modelling of the individual virtual mic-capsules

    - the instrument's position in the room (in relation to the microphones)

    - the instrument's rotation

    - the so-called "Instrument Profile", which informs MIR about many unique aspects like Directivity Profile, recording details, Character Presets, etc.

    - the pre-EQ settings (... hand-crafted for each and every (!) single instrument)

    - the chosen RoomEQ for each instrument family (e.g. 1st violins, 2nd violins, etc.) which affects the wet signal component only

    - the chosen ratio between wet and dry signal component

    ... and some other minor details.

    Quote:
    IRs in extrem positions like tubular bells wash out the sound.

    ... this I don't understand. Would you try to rephrase, please ...?

    /Dietz - Vienna Symphonic Library
    Posted on Sun, Mar 01 2020 17:47
    by Masi
    Joined on Sat, May 11 2013, Posts 29

    Originally Posted by: Dietz Go to Quoted Post
    Quote:
    Is this only the room acoustics or have the IRs been differently recorded or processed?

    Both! :-)

    The IRs used for the Synchronized Instruments-series are derived from MIR Pro. MIR Pro interacts with each instrument in a very specific way.


    Very impressive.

    Originally Posted by: Dietz Go to Quoted Post
    Quote:
    IRs in extrem positions like tubular bells wash out the sound.

    ... this I don't understand. Would you try to rephrase, please ...?


    I wanted to spell "washed out". My intention was to descibe the effect that using the tubular bells IR on the snare samples had.

    The result is rather unusable. The Bösendorfer IR us much better. Given your explanation I expect the EQing to be less drastic and as a result a viable option for putting arbitrary instruments to the left (or right if you swap the stereo channels).

    Masi

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