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HEAD BONI-Squeal:
HEAD BONI-Squeal is a stand-alone application that provides an objective
assessment of brake noise by calculating a single value called BONI
(Brake Objective Noise Index).
The employed algorithm was developed by BOSCH based on
comprehensive listening tests. When compared to the
subjective evaluation of experts, the algorithm shows an
extraordinary degree of correlation.
Besides the BONI value, the program also lists the frequency, the level
and the duration of brake squeals in a table. Furthermore, you can
play back the files while watching the time domain signal and its
FFT spectrogram.
The results of a measurement series can be automatically compiled into
a report. You decide which information is to be included in the report.
The user-friendly interface supports you with your tasks and helps you
to become familiar with the program.
Applications:
• Objective determination of brake noises without listening tests
• Product optimization and sound design
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BrakeOBSERVER:
Test system for brake noise
High-frequency brake noise, in particular, is a cause of annoyance and
of high warranty costs for car manufacturers. Therefore, the elimination
of brake squeals are of increasing importance in the development of
new brake systems.
A major problem involving these measurements is the large amount of
data, which is generated even when only a few squeal noise events
occur, and thus making it difficult to detect the actual relevant noises.
With BrakeOBSERVER, HEAD acoustics developed a software solution
which is capable of distinguishing disturbing brake noise including
"Off-brake noise" from normal operating noise and, thus, can
deliver excellent detection results.
Applications:
• Recording and analysis of brake noise
• Development, optimization and approval of brake systems
• Troubleshooting
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HEAD VISOR:
System for Online Localization of Sound Sources in Real Time
HEAD VISOR is an innovation from HEAD acoustics GmbH in the area
of microphone array technology that suits localization, visualization,
quantification and auralization of sound sources. By means of its
unlimited online processing.
HEAD VISOR literally allows you to expand your senses and to
handle acoustic tasks in a completely new way. Immediately after
turning the system on, you will see a video image with a synchronously
superimposed high-resolution map of the sound sources. The influence
of modifications, analysis settings etc. can be monitored directly.
You don't even have to start a recording. Thanks to the FreezeBuffer,
sound events can be conveniently captured and analyzed
even retroactively.
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• Multi-band beam forming
• Coherence filtering and enhancement
• Auralization Read more
• FreezeBuffer / slow motion
• MultipleEye technology
• Mobile "all in one" solution
• Order analysis (in preparation)
• Export possibilities
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SoundPower:
Software for determining the sound power level according to ISO 7779, ISO 3744, ISO 3745, ECMA-74
SoundPower is an extremely elegant and user-friendly software solution
for a standard-compliant determination of the sound power and sound
pressure level.
Hardware manufacturers are legally bound to state the sound power
of their devices according to international standards if they are to be
sold within the EU. By means of wizards, users of SoundPower are
guided through the standard procedures that comply with
the international standards to fulfill the legal requirements quickly
and reliably.
Furthermore, SoundPower offers user-specific measurement procedures
that go beyond the standard procedures.
Apart from assuring the compli- ance with standards SoundPower
also offers the measured time signals for playback and or advanced
analyses with the analysis software ArtemiS.
Applications:
• Standards-compliant determination of sound power and sound
..pressure levels of, e.g. office, IT, telecommunication devices
..and household appliances
• Sound Design, troubleshooting and quality control
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SENSE:
Pass-By and Simulation System
SENSE is used for recording and simulating the pass-by noise of vehicles.
This includes virtual pass-by events based on microphone
array measurements and the simulation of the pass-by sound of the
vehicle or individual vehicle components based on near field measurements.
Optionally, the monaural and binaural time signal can be used for
sound design, listening tests and advanced analysis.
Applications:
• Recording and Simulation of pass-by sounds
• Troubleshooting
• Sound design
• Improvement of sound quality
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HEAD Noise Event Manager:
Software for Interactive Evaluation and Documentation of Noise Events
The HEAD Noise Event Manager is a software that allows recordings of
noise events and relevant noise generation parameters to be managed,
examined, played back and documented in an easy and flexible way.
Among other things, the Noise Event Manager is suitable for data
recorded with the HEAD BrakeOBSERVER system solution for the detecton
of brake noise events.
Applications:
• Evaluation of noise events and relevant noise generation parameters
• Report generation and documentation
• Management of large amounts of data
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