Sound pressure varies
Measured dBSPL depends on volume, speaker, distance, room, and meter settings.
Support
SignalProof Support
Send setup questions, bug reports, launch questions, or privacy requests to Borealbit support.
support@borealbit.com
Include your iPhone model, iOS version, SignalProof version, signal mode, output level, and the measurement setup you were using.
Useful details
Send the setup, not only the symptom.
iPhone model and iOS version
Signal mode and output level
Frequency, sweep range, or noise type
Speaker route and system volume
Distance from source to meter
Meter app, weighting, and time setting
Before writing
Use conservative levels
Start low, especially with sine tones and sweeps, then increase only when necessary.
Keep context
Useful reports include frequency, level, signal type, distance, room state, and meter settings.