logSPL
Utilidades
USD 1.99
También incluida en
This App is a full featured sound level meter, designed by a signal processing expert. It is iPhone/iPod/iPad compatible and adapts itself to the actual screen resolutions ("HD", "retina").
It consists in two parts: half top for basic features, half bottom for advanced ones (L95, %D, ...).
Half top was thus designed to be extremely easy to use. Only two settings are requested:
* select 'fast' or 'slow' update rate, which corresponds to 2 different integration periods
* select the type of weighting: A or C or Z (Z meaning roughly: no filtering)
These settings are saved when exiting the App.
Some tips for weighting:
* select A to evaluate the feeling of a person against a noise
* select Z to balance an audio system
Supports upside-down orientation.
The min and max values are monitored and displayed in green in the upper view. An average value (Leq, LAeq, ...) is computed on top of this: the green triangle. Take care that this latter corresponds to the logarithm of the average power and not to the average of logarithm values, which is completely different. Integration time for this average value is: all time since start-up of the App or last reset.
To reset these extreme and average values, touch the text named RESET.
Bottom view is used to display an historical curve. A grid is visible, with lines every 10dB vertical and 10s horizontal.
Half bottom now:
* a real-time histogram is displayed on left side
* it can compute L%: L95, L50, ...
* it can make some dosemetering: for this you need to set threshold, criterion and exchange values. This is for advanced users due to the complexity of underlying concepts
As for all sound-meter (at any price, hardware or software), you should calibrate it against a reference in order to achieve best accuracy. For this go to Mic. tab to add or remove a fixed offset to the measured values.
Any question ? Click on the Facebook icon !
Calificaciones y reseñas
Esta app no ha recibido suficientes calificaciones ni reseñas para mostrar un resumen.
Re-compiled for latest iOS. Better handling of various screen sizes and shapes.
El desarrollador (Fabien Lefebvre) indicó que las prácticas de privacidad de la app pueden incluir el manejo de datos que se describe a continuación. Para obtener más detalles, consulta la política de privacidad del desarrollador .
No se recopilan datos
El desarrollador no recopila ningún dato en esta app.
Accesibilidad
El desarrollador aún no ha indicado cuáles funciones de accesibilidad admite esta app. Obtén detalles
Ficha técnica
- Vendedor
- Fabien Lefebvre
- Tamaño
- 1.1 MB
- Categoría
- Utilidades
- Compatibilidad
Requiere iOS 15.2 o posterior.
- iPhone
Requiere iOS 15.2 o posterior. - iPad
Requiere iPadOS 15.2 o posterior. - iPod touch
Requiere iOS 15.2 o posterior. - Apple Vision
Requiere visionOS 1.0 o posterior.
- Idiomas
- Francés, Inglés
- Edad
4+
- 4+
- Copyright
- © 2011 Fabien LEFEBVRE
