Room Acoustics Analyzer Tool
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Room Acoustics Analyzer

Reference: Documentation

Found in these Apps
Features
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Built for Standardized Measurement: SignalScope's Room Acoustics Analyzer computes room acoustics parameters from impulse response data as specified in ISO 3382, Acoustics - Measurement of room acoustics parameters. It employs real-time Order 3 digital Butterworth bandpass filters, in whole or 1/3-octave frequency bands, designed with standard filter characteristics defined by ANSI S1.11 and IEC 61260.
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Save Data: Export impulse response (IR) data to an audio file (.wav, .aif, or .caf) or IR data, calculated room acoustics parameter values, and metadata to a data file (.csv, .mat, or .txt). Or, generate a high-resolution image of the graph and save it to a PDF file.
Specifications
  • Impulse Response (IR) Data Source: Any single channel/measurement can be selected from the Oscilloscope or Dual FFT Analyzer tool, or from an Audio or Data File
  • Room Acoustics Parameters:
    • Reverberation Time (RT60): T20, T30, T60
    • Early Decay Time (EDT)
    • Nonlinearity (ξ): T20, T30, T60, EDT
    • Center Time (Ts)
    • Clarity: C50, C80, Cte
    • Definition: D50, D80, Dte
  • Early Time Cutoff (te): User-definable
  • Normalize IR: Enable/Disable
  • Plot Regression Line: Enable/Disable
  • Bandwidth: Octave, 1/3 octave
  • Supported Sample Rates (samples/second): 44100, 48000, 88200, 96000, 176400, 192000
  • Filter Type: Order 3 Butterworth digital bandpass
  • Nominal Band Center Frequencies (Hz)
    • Whole Octave: 31.5, 63, 125, 250, 500, 1000, 2000, 4000, 8000, 16000
    • 1/3 Octave: 20, 25, 31.5, 40, 50, 63, 80, 100, 125, 160, 200, 250, 315, 400, 500, 630, 800, 1000, 1250, 1600, 2000, 2500, 3150, 4000, 5000, 6300, 8000, 10000, 12500, 16000, 20000
  • Scale
    • Horizontal divisions: 10 (linear frequency scale)
    • Vertical divisions: 10
    • Autoscale: Off, Auto
    • IR Scale: Lin
    • Squared IR Scale: dB
    • dB Scale (dB/Div)
      • 0.01, 0.02, 0.03, 0.04, 0.05, 0.06, 0.08, 0.09, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.8, 0.9, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 8.0, 9.0, 10.0, 12.0, 15.0, 16.0, 18.0, 20.0, 24.0, 25.0, 27.0, 30.0
    • Lin Vertical Scale (Units/Div)
      • 1e-9, 2e-9, 3e-9, 4e-9, 5e-9, 6e-9, 8e-9, 10e-9, 20e-9, 30e-9, 40e-9, 50e-9, 60e-9, 80e-9, 100e-9, 200e-9, 300e-9, 400e-9, 500e-9, 600e-9, 800e-9, 1e-6, 2e-6, 3e-6, 4e-6, 5e-6, 6e-6, 8e-6, 10e-6, 20e-6, 30e-6, 40e-6, 50e-6, 60e-6, 80e-6, 100e-6, 200e-6, 300e-6, 400e-6, 500e-6, 600e-6, 800e-6, 1e-3, 2e-3, 3e-3, 4e-3, 5e-3, 6e-3, 8e-3,10e-3, 20e-3, 30e-3, 40e-3, 50e-3, 60e-3, 80e-3,100e-3, 200e-3, 300e-3, 400e-3, 500e-3, 600e-3, 800e-3, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 8.0, 10.0, 20.0, 30.0, 40.0, 50.0, 60.0, 80.0, 100.0, 200.0, 300.0, 400.0, 500.0, 600.0, 800.0, 1e3, 2e3, 3e3, 4e3, 5e3, 6e3, 8e3, 10e3, 20e3, 30e3, 40e3, 50e3, 60e3, 80e3, 100e3, 200e3, 300e3, 400e3, 500e3, 600e3, 800e3
  • Cursor
    • Peak Track: Off, Max
    • Horizontal Bar: Enable/Disable
    • Horizontal Bar on Decay Curve: Enable/Disable
    • Set Decay Curve Limits from Cursors: Enable/Disable
  • Data Export
    • IR Audio File Format: AIF, CAF, WAV
    • Data File Format: CSV, MAT, TXT
    • Exported data files can optionally include parameter data and raw IR data, or only parameter data.
    • Image: PDF
  • Data Import
    • IR Audio File Format: AIF, CAF, WAV
    • Data File Format: CSV, MAT, TXT (only files created by the Oscilloscope, Dual FFT Analyzer, or Room Acoustics Analyzer tools)
  • Specifications Subject to Change
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