Article
Introducing DAP
Every audio experience you encounter - a film soundtrack, a live performance, a museum guide, a lecture - was mixed once, for everyone. Yet no two people hear the same way.
Bettear R&D - AI Personalization
DAP™Deep Audio Processing
An AI-driven technology designed to adapt audio to diverse hearing needs like never before.
- Hearing Technology Innovator 2026Winner - Personal Amplification Platform
- Years of research
- 5+
- Study participants
- 2,700+
- Soundtrack adaptation for hearing-impaired listeners
- 22% → 89%
The challenge
Different people. Different needs.
Our findings
If the sound technician had a different hearing profile, the audio mix would have sounded completely different - and much clearer and more comprehensible for people with the same hearing characteristics.
What if every group had its own sound designer - someone who truly understands their hearing needs?
Personalized audio isn't a privilege - it's the foundation of inclusive communication.
Bettear's audio personalization research combines AI and DSP to deliver adaptive, personalized audio like never before.
It keeps speech intelligible and makes listening high-quality and accessible - without compromise, for everyone.
Listen
Hear the difference
The same action-trailer soundtrack, before and after DAP. Switch while it plays and listen to the dialogue.
Best with headphones
With DAP™
0:00 / 0:45
The technology
How it works
DAP listens to the soundtrack the way a sound designer would, then remixes it for the listener.
- 01
Audio scene classification
Recognizes what kind of scene is playing.
- 02
Source separation
Pulls apart speech, music, sound effects and more.
- 03
Content analysis
Analyzes the content and detects the speech rate.
- 04
Speech-rate adaptation
Intelligently adapts how fast speech is delivered.
- 05
Component enhancement
Enhances each separated audio component.
- 06
Rebalancing
Rebalances the elements into a new mix.
Optimized match for the listener's hearing profile.
Results
Before and after
How well the soundtrack is adapted for hearing-impaired listeners.
0%
0%
Who it helps
Hearing challenges are not exclusive to the hard of hearing.
They also affect:
- People with ADHD or ADD
- Individuals experiencing cognitive decline
- And many others
Bettear R&D
The research team
Dr. Nir FinkChief Science Officer
Dr. Yossi Bar-YosefChief AI Scientist
Research support & collaborations
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