Echx - Stuttering Aid (DAF)

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About this app

EchX – Stuttering Aid (DAF) is a powerful yet simple speech therapy tool designed to help people who stutter or experience disfluency improve their speech fluency and confidence.
Using the scientifically proven Delayed Auditory Feedback (DAF) technique, EchX lets you hear your own voice with a slight delay, helping your brain synchronize speech patterns and reduce stuttering tension.

Whether you are a speech therapy professional, a student, or someone working independently on fluency, EchX provides you with an effective and customizable environment to practice clear, confident speech — anytime, anywhere.

🌟 What is DAF (Delayed Auditory Feedback)?

DAF is a method that plays your own speech back to you with a slight time delay.
When the delay is just right, your brain receives the auditory feedback out of sync with your actual speech, which naturally encourages you to slow down and speak more smoothly.

This effect has been studied for decades and is widely used in speech therapy for stuttering, fluency shaping programs, and public speaking training.

With EchX, you can fine-tune the delay value to match your personal needs and find the sweet spot that works best for your voice and speech rhythm.

🎧 Key Features

✅ Real-time Delayed Auditory Feedback (DAF) – Hear your voice with an adjustable delay in real time.
✅ Precise delay control – Change the delay value instantly to experiment with different timings (from very short to noticeable).
✅ Clean, distraction-free design – Focus entirely on your speech, not on complicated menus.
✅ Works with headphones or Bluetooth earphones – For the best experience, use wired or low-latency Bluetooth headphones.
✅ Low latency audio engine – Optimized for smooth performance on most Android devices.
✅ Simple start/stop control – Begin or pause the feedback with one tap.
✅ Lightweight and privacy-friendly – EchX processes your voice locally on your device. No data leaves your phone.

🗣️ How EchX Helps

People who stutter often find that when they hear their voice slightly delayed, their brain automatically adjusts timing and rhythm, leading to slower, more fluent, and controlled speech.
Using EchX regularly can help:

Reduce stuttering frequency and intensity

Improve breathing and speech pacing

Build awareness of speech patterns

Increase confidence in speaking situations

Even if you are not working directly with a therapist, EchX can be a valuable self-training tool to complement exercises such as reading aloud, repeating phrases, or practicing public speaking.

⚙️ Tips for Best Results

Always use wired headphones for minimal delay.

Experiment with different delay settings (start around 100ms and adjust).

Speak slowly and focus on clear pronunciation.

Practice daily for several minutes to notice gradual improvement.

Combine EchX with relaxation and breathing exercises for best results.

🔒 Privacy & Security

EchX is fully offline.
Your speech is never recorded or transmitted anywhere.
All processing happens in real time on your device, keeping your privacy completely intact.

💡 Who Can Benefit

Individuals who stutter or experience speech blocks

Speech-language therapists and clinicians

Students learning about fluency disorders

Actors, presenters, and broadcasters training vocal control

Anyone curious about how auditory feedback influences speech

What’s new

Minor UI/UX refinements.