AudioTool

Spl (deciBel) Meter featuring RT60, Leq, Sone, Spectrum Analyzer, Spectrogram, Chart Recorder, Signal Generator, Polarity Checker, and Mic calibration. Recommended by "Sound and Vision" magazine. Loved by Audio Engineers worldwide: check out the Reviews! Features: 1/1, 1/3, 1/6 & 1/12 octave Rta modes, Leq (wideband, Octave, variable duration), Sones (Loudness), RT60 (wideband, Octave), Peak Store, Spectrogram, Waterfall, Peak frequency, Impulse, Fast, Medium & Slow filters, Flat & A/C Weighting and film industry X Curve, Averaging, Spl Chart Recorder, Noise Criteria (NC and NR), White/Pink Noise, Sine, Square, Triangle, Sweep, Log Sweep, Warble, Ramp and Impulse signals & loudspeaker polarity checker, L/R select.

Rta Store & Load, Hann windows, pinch to zoom, scroll to center. Examples of recent updates (April 2019): v8.0 New Feature: Load one or two stored spectrum files and display both alongside the realtime data. v8.1 New Generator option: swap phase of Right stereo signal v8.2 New Menu option "Set Resolution" allowing to set 4096, 8192, or 16384 sample lengths v8.3 New 1/12 Octave Rta mode Exclusive Iso 1/3 Octave Calibration - can correct for your phone's microphone response.

Octave calibration discs are moved up or down to obtain a flat response, and match the overall Spl to that of an external meter. Save/Restore of Cal files (popular Dayton Audio iMM-6, MicW i436, also supported). Use: gig measurements, home theater, acoustics, car, etc. AudioTool FFTs sets of microphone samples. Aliasing reduced by Hann windowing. Spl calculated in realtime. Spectra may be saved, then loaded and displayed with the live spectrum. The "Store" button stores the current live spectrum - "Load" shows a list of stored spectra to select. To hide the buttons, tap the screen. To restore them,.

A pair of cursors can be shown: each can be moved to any position, and will display the Spl & time/frequency values there. The cursors can be turned on and off in the Menu. The loudspeaker polarity checker can be used to check whether a loudspeaker is wired in phase: connect the AudioTool output to the speaker under test, select "Polarity" from the signal generator screen, then return to the Rta screen. If the speaker i. The interface is organized for quick access to the most frequently used functions, reducing the time needed to complete common tasks.

Advanced options are available for users who want to customize their experience and optimize the application for their workflow. Data sync and backup features help users keep their information safe and accessible across multiple devices when needed. The application supports a wide range of file formats and integrates with popular services to extend its usefulness. Performance optimization ensures smooth operation even on older hardware, making it accessible to a broad user base. Comprehensive documentation and in-app guidance help new users get started quickly while power users can explore advanced capabilities. Users can organize content, apply filters, and access key functions through an intuitive layout that minimizes learning curve.

Cross-platform support and cloud integration extend the application's reach across different devices and ecosystems. Built-in tutorials and contextual help ensure that users can discover and master features at their own pace. Advanced options are available for users who want to customize their experience and optimize the application for their workflow. The interface is organized for quick access to the most frequently used functions, reducing the time needed to complete common tasks. Advanced options are available for users who want to customize their experience and optimize the application for their workflow.