English Assessment Demo
Configure all LiveKit settings and test the English assessment agent
Assessment Information
Student Name (Optional)
Student Email (Optional)
Target CEFR Level
Any Level (Adaptive)
A1 - Beginner
A2 - Elementary
B1 - Intermediate
B2 - Upper Intermediate
C1 - Advanced
C2 - Proficient
Camera Preview
Audio Configuration
LiveKit Recommended
Echo Cancellation
Noise Suppression
Auto Gain Control
Sample Rate
8 kHz (Phone quality)
16 kHz (Wideband)
24 kHz (Super wideband)
48 kHz (Full bandwidth) ⭐
Channel Count
Mono (1 channel) ⭐
Stereo (2 channels)
Video Configuration
Enable Video
Resolution
640x480 (VGA)
1280x720 (HD) ⭐
1920x1080 (Full HD)
3840x2160 (4K)
Frame Rate
15 fps
24 fps
30 fps ⭐
60 fps
Camera
Front Camera ⭐
Back Camera
Show Advanced Settings
Start English Assessment
ℹ️ How This Demo Works
• All LiveKit configuration options are exposed with recommended defaults (⭐)
• Your settings are sent as metadata when creating the assessment
• The AI assessor adapts to the student's level in real-time
• Transcripts are saved to the database throughout the conversation
• Assessment lasts approximately 8-10 minutes
• Results can be analyzed after completion using GPT-4o