Buzz, Squeak, & Rattle Measurement Devices

BSR Quality

Overview

BSRQuality is a software released from BSRTools series, designed to measure and represent the variables related to quality of sound. it offers a real-time window demonstrating SPL, Leq, Loudness & N10 level on the scream in real-time for the data measured through either DAQ and microphone or PC soundcard, and recording option. The recorded data can be viewed in data viewer window for further analysis on comparing Leq and N10 Loudness for two arbitrary selected time zone.

BSRTools is a set of different software and hardware tools, each focusing on measuring, evaluating, and identifying various aspects of Buzz, Squeak, and Rattle.

Features

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Hardware

  • NI 9234 + Microphone
  • PC Sound Card
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Software(Real-time)

  • Real-time stream of SPL, Leq, Loudness, and N10
  • SPL weightings setup
  • Audio file Recording
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Software(Data viewer)

  • Leq and N10 loudness comparison
  • Octave Analysis
  • Noise gate
  • Data loading, replaying and exporting

Specifications

Data Acquisition
Model NI 9234 PC sound card
Number of Channel 1 1
Max. Sampling Rate 51.2 kS/s 44.1kS/s
Dynamic Range 102dB 102dB
Analysis
General SPL, Loudness, Octave

Applications

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Vehicle interior noise

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Buzz, squeak, and rattle for vehicle’s components

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Electric vehicles

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Warning sounds such as collision
or engine-failure tones

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