Apple’s latest earbuds, the AirPods Pro 3, bring several new AI-powered and computational enhancements. They’re meant to improve sound quality, fit, health tracking, and cross-language conversation.
Here are the key features:
1. Heart Rate Sensing & Fitness Insights
- The AirPods Pro 3 introduce a custom photoplethysmography (PPG) sensor. It uses invisible infrared light pulsed 256 times per second to measure the light absorption from blood flow, giving real-time heart rate readings.
- This is combined with data from accelerometers, gyroscope, and GPS, plus an on-device AI model on iPhone to track up to 50 different workout types.
- Apple is also launching Workout Buddy, a fitness-experience powered by their Apple Intelligence system, which gives personalized, motivational insights during workouts based on your history.
2. Live Translation
- A major new capability: Live Translation for the AirPods Pro 3. This enables hands-free, in-person translation, helping people who don’t speak the same language communicate more naturally.
- It works via computational audio + Apple Intelligence. The translation works such that when someone speaks, their speech is translated into your preferred language through the AirPods. If they respond (especially if they separately have compatible AirPods), the speech from their side is translated back. iPhone can also display live transcription in a horizontal view to help in conversations.
- Languages supported at launch: English, French, German, Portuguese, Spanish. More languages are expected by the end of the year (Italian, Japanese, Korean, Chinese simplified).
- One caveat: not all regions will have the feature immediately. For example, many European Union users may be unable to use Live Translation at launch, depending on region/account settings due to regulatory issues.
3. Advanced Active Noise Cancellation & Audio Improvements
- The new model claims to have “the world’s best in-ear ANC” (Active Noise Cancellation). According to Apple, it removes up to 2× more noise compared to the previous-generation AirPods Pro, and 4× more than the original AirPods Pro.
- They use ultra-low noise microphones, foam-infused ear tips (for better passive isolation), and a new multiport acoustic architecture.
- Also improvements in “Adaptive EQ,” which dynamically adjusts sound depending on fit, environment, etc., to give better bass, clearer vocals, wider soundstage.
4. Better Fit & Design to Help Performance
- Apple has done extensive work with data: over 10,000 ear scans and more than 100,000 hours of user-research with 300+ million measurement data points. This helps create a better fit and stability, especially during workouts or movements (running, HIIT, yoga etc.).
- Ear tips now come in five sizes, including a new XXS size. Foam-infused tips help with sealing (important for both ANC and sound quality).
- Durability is improved (IP57 sweat and water resistance) so they hold up better under active use.
5. Battery Life & Listening Modes
- With ANC on, battery life is improved to up to eight hours of playback, about a 33% bump over the previous generation.
- Transparency / “Hearing Aid / Hearing Health” features are also enhanced: longer battery even in transparency mode, more natural sounding voice in transparency mode, automatic Conversation Boost in noisy settings (restaurants etc.).
6. On-Device AI, Apple Intelligence Integration
- Many of these features (Workout Buddy, Live Translation, adaptive audio/ANC, etc.) are powered at least partly by Apple Intelligence and on-device AI models. That means less reliance on cloud for certain tasks, better speed/latency, more privacy.
- “Computational audio” above refers to processing done in hardware/firmware to modify sound (noise-cancellation, transparency, fit compensation etc.) in real time. These kinds of AI techniques are central for what Apple is calling “next-generation” for their earbuds.
What to Watch Out For / Limitations
While the features are impressive, there are a few caveats:
- Live Translation not available in all regions / languages at launch.
- Accuracy of heart rate sensing in the ear may vary with fit, movement, how securely the ear tips seal, etc. As always with optical sensors, motion or sweat can introduce errors.
- Battery improvements are good, but adding sensors and more processing can affect real-use battery depending on how you use features (if always in ANC, if using translation, etc.).
Why This Matters
These updates show how Apple is pushing its earbuds beyond “just audio”:
- They are becoming multi-functional: fitness tracking, health monitoring, translators, hearing assistance.
- With improved AI and computational features, they’re making the user experience more seamless (e.g. translation on the fly, better fit automatically helping performance).
- They compete more strongly with high-end competitors (Sony, Samsung, etc.) that also have strong noise cancellation, ambient sound modes, translation features.