Meyer Sound 1100-LFC Operations Instructions download pdf (Page 30)

CHAPTER 6: SYSTEM DESIGN AND INTEGRATION TOOLS

Using MAPP Online Pro

MAPP Online Pro is compatible with the following operating

systems:

■ Windows

■ Linux

■ Unix

■ Mac OS

For information on which operating system versions are sup-

ported, visit www.meyersound.com

Downloading and Installing MAPP Online Pro

To use MAPP Online Pro, you must register online at

www.meyersound.com

. After entering your registration infor-

mation, an email will be sent to you with your user name,

password, and the MAPP Online Pro download location. On-

screen instructions will guide you through the download and

installation process.

The MAPP Online Pro client software is regularly upgraded to

add support for the latest Meyer Sound loudspeakers, as well

as to add feature enhancements. Most upgrades are down-

loaded automatically when logging on to a MAPP Online Pro

session. The MAPP Online Pro database includes nearly all of

the current Meyer Sound loudspeakers, subwoofers, and

processors.

NOTE: For information on using 1100-LFC with

MAPP Online Pro, contact Meyer Sound Tech-

nical Support at [email protected]

SIM 3 MEASUREMENT SYSTEM

The SIM 3 audio analyzer is a high-resolution audio measure-

ment system comprised of software, hardware, microphones,

and accessory cables. SIM 3 is optimized for measuring

audio frequencies with resolutions up 1/48th of an octave,

allowing you to apply precise corrections to balance system

response using frequency and phase domain information.

Source Independent Measurement Technique

The SIM 3 audio analyzer implements Meyer Sound’s source

independent measurement technique, a dual-channel

method that accommodates statistically unpredictable exci-

tation signals. Any excitation signal within a desired frequency

range can be used to obtain highly accurate measurements

for acoustical or electronic systems. For example, concert

halls and loudspeaker systems can be captured during a per-

formance and used as a SIM 3 test signal, so you can:

■ View measurement data as amplitude versus time

(impulse response) or amplitude and phase versus fre-

quency (frequency response)

■ Utilize a single-channel spectrum mode

■ View frequency domain data with a logarithmic frequency

axis

■ Determine and internally compensate for propagation

delays using the SIM 3 Delay Finder

SIM 3 Applications

SIM 3’s main applications are testing and aligning loud-

speaker systems, which entails:

■ Measuring propagation delays between subsystems to

determine appropriate polarities and delay times

■ Measuring variations in frequency response caused by

the acoustical environment and the placement and inter-

action of loudspeakers to determine corrective equaliza-

tion

■ Optimizing subwoofer integrations

■ Optimizing loudspeaker arrays

SIM 3 can also be used in the following applications:

■ Microphone calibration and equalization

■ Transducer evaluation and correction

■ Echo detection and analysis

■ Vibration analysis

■ Architectural acoustics

■ Underwater acoustics

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Meyer Sound 1100-LFC Operations Instructions Page 30

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