Using powerful hardware running Android 4.1 or higher with our patented algorithms and user-friendly interface with fast profile selection brings maximum sound quality and comfort of use.
Benefits of Petralex®:
- Easy to use - no special devices, no battery replacements or all-day wearing annoyance;
- Quick Setup for any sound environment;
- Increased sampling rate - 44.1 kHz, providing the best sound quality;
- Easy switching between device and headset microphones;
- Full acoustic gain up to 30 dB with a standard headset;
- Minimum signal processing delay - just 6,3-15,7 ms (depending on the model and software running simultaneously);
- Use the built-in mic to catch sound from distant sources, i.e. in classroom, at theatre (or use it as a spy-ear!);
- Easy profile sync for all of your Android powered devices with Dropbox cloud storage support;
- Setup and adjust the app without visiting a specialist;
- BT headset support (for processed sound playback only, sound is captured by device onboard mic).
You can compare the original and processed sound test phrases on our site www.petralex.pro.
Petralex® Hearing Aid is absolutely free to use because of your support. If you find the app useful, please support developers with donation at www.petralex.pro/donate
The Petralex® app is not approved as a medical device or software and cannot be used as a hearing aid with doctor`s prescription.
Audiometric test provided in the application can be used only for app adjustment. Testing results are not a substitute for professional audiology tests and cannot be considered as a basis for diagnosis.