Calculate Rate Of Fire using Sound.
This is an app for measuring rate of fire of Airsoft (Paintball to i suppose) guns in full auto mode.
It uses sound recordings and measures the difference between peaks to get rate of fire..
1. Record gun sound, a second or two is needed.
2. Move markers to a good portion of sound.
3. adjust threshold until red dots appear on all the top peaks.
4. Rate of fire is shown.
Features.
* Custom recorder, allowing selection of recording source depending on your device.
* Vertical Sliders to pick the beginning and end of the useful sound portion.
* Vertical Slider tabs can be moved up/down for better viewing.
* Horizontal Slider to exclude the waveform below the position from the calculation.
* Save your recordings.
* Share the calculation. (Not yet implemented).
* Enter your usual magazine capacity and show how long to empty the mag.
* Use an externally recorded wav file. (Not yet implemented).
Please note, this is dependent on quality of the sound, some microphones on phones appear too sensitive.
PERMISSIONS:
RECORD_AUDIO - needed to record.
INTERNET - for trial & Metric recording, Crash reporting.
WAKE_LOCK - so phone does not sleep while recording.
WRITE_EXTERNAL_STORAGE - files are stored on SD Card.
READ_PHONE_STATE - for phone ID used in-app billing, Metric recording, Crash Reporting.
ACCESS_NETWORK_STATE - to find out if data connection is available.
BILLING - for in application billing.
LOCATION - for advert.
There is an in-app purchase to remove adverts!
Note: this app uses google analytics.