SoundMaster SLM for iOS

Developer's Description


- SoundMaster aims at delivering the most robust sound level measurement readings on the App Store

- Audio data is captured directly from input buffers, ensuring a robust and responsive measurement output

- 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

- Professional sound level measurement capabilities

- Advanced calibration and equalization support

- Extended 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

Noise Measurements

- Digital VU and numeric visualizations

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

Full Specifications

What's new in version 1.1.0


Release October 6, 2019
Date Added October 6, 2019
Version 1.1.0

Operating Systems

Operating Systems iOS
Additional Requirements Requires iOS 11.0 or later. Compatible with iPhone.


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