Room Acoustics Analyzer

Pro

The Room Acoustics Analyzer measures reverberation time and room acoustic parameters.

Documentation

Apps Features Specs

Found in These Apps

Key Features

RT60 measurement

EDT, T20, T30, T60 calculation

Center time, clarity, definition

Octave and 1/3 octave bands

Integrated impulse response method

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.

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
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

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

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 Vertical 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/Log Magnitude 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, Min
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
Image: PDF
Exported data files can optionally include parameter data and raw IR data, or only parameter data.

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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