SPL Graph is an iOS app for measuring, analyzing, and logging sound pressure levels and frequencies. It offers real-time analysis, audio recording, octave band analysis, and data export, making it suitable for audio professionals and environmental noise monitoring.
SPL Graph is an Audio editing & DAW product. It enables users to analyze and log environmental sound levels and frequencies using their mobile device. SPL Graph is a consumer product aimed at audio engineers and environmental noise analysts. A free plan is available; paid tiers begin at $10. The product ships for iOS.
Andrew Smith builds and maintains SPL Graph, and the product first shipped in 2009. Among its 6 catalogued features are SPL measurement, frequency analysis, and audio recording.
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