SoundMaster RVA

Overview

- This module offers octave-based RT60 measurement capabilities

- The app features state-of-the-art algorithmic implementations, ensuring high-accuracy readings

- UI is polished to perfection, delivering professional-grade user experience

- Comes pre-calibrated using reference equipment

Main Features

- SoundMaster RVA: octave-based RT60 measurements

- SoundMaster RTA: octave-based audio analysis

- SoundMaster SLM: professional sound level metering

- Advanced calibration and equalization support

- Sophisticated measurements management

Under the hood

- 44.1kHz/32bit raw audio recording

- 20Hz to 20kHz frequency response

- 90dB dynamic range, from 25dB to 115dB SPL[A]

- 1.4dB accuracy @25dB-115dB SPL[A]

- Low latency and processing-loss spectral analyzer

- Audio I/O latencies monitoring and compensation

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Reverberation Time Measurements

- Octave-based RT60 measurement capability

- Interrupted noise method implementation through signal excitiation

- Build-in band-pass input filtering for improved tolerance to background noise

- Build-in band-pass noise generator

- Option for measuring T[20] or T[30]

- Option for setting the repetition-count for each measurement

- Ability to detect measurement errors and inform the user through an error-code protocol

- High background noise, insufficient signal volume, low SNR and noise during decay errors detection

- Retry on error automation

Noise Measurements

- Digital VU and numeric visualizations

- Broadband RMS, Peak, Max, Min, Leq and measurement duration data handling

- Octave-based RMS, Leq, Max, Min data handling

- Impulsive, Fast and Slow response modes

- A, B, C, D, Z weighting filters

Advanced Calibration

- Calibrated and equalized for each iPhone model

- Calibrated for the MicW i436, as an external input source

- Calibration data is OTA (Over the Air) updated

- Additional user calibration and equalization banks for both embedded microphone and external input source

- Custom octave-based gain adjustment support

Session Management

- Frame-based time-series of measurement data handling

- Overall statistics calculation for noise measurements

- Photo capture capability

- Time and geolocation awareness support

- Title, location and comments metadata support

- Audio recording (CAF format), measurement data (CSV format) and metadata export capabilities

Additional Capabilities

- Option for keeping the device awake during recording

- Option for auto-stopping measurements after a pre-configured duration

- Background recording capability

- Upside down orientation support,

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