An instrument profile is sort of like an uber-preset that refers to a specific VSL instrument within MIR. They are located at the top right of your MIR Pro/VEP5 GUI, in the instrument section. Once you load an instrument (say, OR Violins) select the appropriate profile from the pull down list or right click the icon on the MIR stage and select from the context menu. . They do a lot of the work for you, making mixing much easier. Here's a detailed explanation from the manual (preliminary manual pp22-23).
Understanding the concept behind MIR's unique Instrument Profiles is almost as IMPORTANT as having some insight into the variable Output Formats described
above, if you want to make use of MIR Pro's features to their full extent.
As you may remember, MIR's impulse responses are not only taken from a multitude of sources and main microphone positions. MIR Pro handles directionality
(i.e., “room”) both from the listener's perspective (the microphone) as well as from the signal source's perspective (the instrument).
This is why we implemented detailed, individual Instrument Directivity Profiles for almost every Vienna Instrument. The underlying data were gathered over
(literally) years of extensive research and development, and are now saved within so-called Profiles. Measured with the aid of our newly developed method (based
on sectorized microphone swarms), we gathered an enormous database of spatial frequency profiles for all kinds of instruments and other sources. Taking into
account these directivity-dependent changes in sound, we can now supply MIR Pro with a direction-dependent acoustic fingerprint. This is made possible by the
way we recorded the multi impulse sets of each room: The impulses were sent into the room in the same sectorized way we used for measuring the instruments –
in 60° steps, plus the room’s ceiling and floor.
Instrument Directivity Profiles are not directly visible to the user, but selected from a list in accordance with the required Vienna Instrument's samples.
Apart from directivity information, Instrument Profiles contain data about other aspects, too:
Natural Volume
The Stereo Width inherent in the original recording
Instrument and / or ensemble size
Natural timbres and possible changes to them
Typical playing techniques and ways of sound production
In combination with all these aspects saved in an Instrument Profile, the directivity patterns greatly enhance the possibilities of MIR, and thus the achievable
realism of a virtual orchestral performance.
Please select the appropriate Profile from the pull-down menu below the Instrument Display in the Instrument Channel. Virtually every Vienna Instruments is listed
here. (IMPORTANT: This is NOT a list of the valid Vienna Instruments licenses on your computer!) In addition we supply “General Purpose” Profiles for use with
any source MIR Pro is able to process.