Do you want to improve your speech understanding after the cochlear implantation? Then download sound source now.

The therapy after the implantation plays an important role in the success of the treatment. That's why we (speech therapist and software developer) have developed this app for you with a lot of passion and competence. Sound source offers you exercises on the level of noise and speech. You can practice anytime, anywhere on your smartphone or tablet.

Sound source is intuitive, professional and currently offers the following exercises and functions:

- Over 750 audio files
- Recognize everyday noises
- Distinguish pitches and lengths of tones
- Exercises on the sound level
- word exercises
- Distinguish male and female voices
- Speech understanding in noise
- Exercises with sentences
- Exercises with texts
- Direct feedback
- Different levels of difficulty
- Speech speed adjustable (feature is only available from Android 6.0)
- Repeated listening for errors
- Statistics for success control
- and much more

Existing content is constantly being optimized and new tasks added.

We wish you a lot of joy and success with Schallquelle and are grateful for any feedback.

Ramona Biedermann (speech therapist) and Florian Biedermann (Dipl. Ing.)