Crystal Clear Audio for Online Learning

Focus on the content of video lectures, not the audio. Our AI browser extension removes noise, transforms accents, and optimizes speaking style instantly.

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The Problem

~68% of learners abandon educational videos due to poor audio quality.

~42% of non-native English speakers struggle with heavy accents in academic content.

🧠 What learners need: A way to hear clear, accent adapted, personalized audio without transcripts or distractions.

How It Works

Transparent-background graphic: noisy waveform → Tengen logo → clear waveform

Step 1: Capture Tengen listens to your video's raw audio right in your browser, detecting background noise, vocal strain, and accent irregularities.

Step 2: Process Our AI denoises, smooths out heavy accents, and optimizes speaking-style in a single click no setup required.

Step 3: Deliver Enjoy crystal-clear, accent-adapted audio that helps you stay focused and retain more information.

Core Features

Audio Enhancement

Remove background noise and boost clarity for crystal-clear lectures.

Accent Transformation

Customize speaker accent, tone, and style for ease of understanding.

Style Optimization

Turn monotonous speech into dynamic, engaging narration.

Subscribe for Early Beta Access

Be among the first to transform your learning experience with clearer, more engaging audio.

We run on coffee ☕, how many cups would you treat us each month to have these benefits 🤗?