Amrita Vishwa Vidyapeetham
MeitY
ChalaChithra Vaachana
Chalchitra Vaachana ISL Translator
Text · Speech · Screen Share · Video to ISL, vocabulary search, and avatar comparison
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ISL
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Video Source Choose YouTube link or upload a local / cloud video
Works with Hindi & most Indian languages — language is auto-detected and translated to English before gloss matching.
Avatar:
Playback ISL appears in the draggable floating window — drag it anywhere on screen
 
English dialogues (translated)
 

Download with ISL Overlay

Renders the source video with ISL clips composited as a picture-in-picture at the bottom-right corner.
Download Merged Video
DialoguesClick a line to seek · ISL auto-plays in floating window
English Text InputType one or more lines
Enter English text and generate ISL output. The ISL will play in the floating window.
ISL OutputGenerated using translator API · click ▶ to play in ISL window
No output yet.
Speech RecorderMicrophone → Whisper → ISL
Avatar:
Click Start Recording, speak clearly into your microphone, then click Stop & Translate. Requires HTTPS or localhost.
🔒 Microphone access requires HTTPS or localhost. If the button does nothing, check the address bar for a blocked-mic icon.
Recording time: 00:00
Recording waveform
Speech to ISL OutputEnglish transcript, translated segments, and stitched ISL video
No speech translation yet.
Screen Share — Live ISL Share a browser tab with audio for real-time ISL overlay
Avatar:
Click Share Tab and pick a browser tab that has audio (e.g. a video playing). In Chrome, tick "Share tab audio" in the dialog. ISL will appear as a draggable overlay on the shared screen.
Live TranscriptLatest English lines (newest first)
No translation yet.

📝 ISL Sign Avatar — User Evaluation

Help us improve! Please rate the sign avatar based on your experience.
Your response is anonymous and takes about 2 minutes.

Respondent DetailsRequired for tracking; not shared publicly
Sign Quality — 10 Questions (1 = Poor, 5 = Excellent)
1. How clearly were the hand shapes (handforms) visible in the avatar's signs? *
Consider whether fingers, palm orientation, and hand configuration were easy to see.
Poor Excellent
2. How easily could you understand the meaning of each sign shown? *
Could you tell which sign was being produced without extra context?
Not at all Completely
3. How natural did the avatar's signing movements appear? *
Consider fluency, joint movement, and overall body motion.
Very unnatural Very natural
4. How smooth were the transitions between consecutive signs? *
Were movements between signs jerky and abrupt, or fluid?
Very jerky Very smooth
5. How appropriate was the signing speed of the avatar? *
Too fast, too slow, or just right?
Too fast/slow Perfectly paced
6. How well was the position of signs in space (signing space) maintained? *
Were signs produced in the correct location relative to the body?
Inconsistent Very consistent
7. How clearly were the sign movements (path & internal movement) shown? *
Consider direction, arc, and repetition of movement within each sign.
Very unclear Very clear
8. How realistic and lifelike did the overall sign avatar appear? *
Consider visual quality, proportion, and realism of the avatar.
Not realistic Very realistic
9. Would you be able to use this avatar to learn or practice ISL signs? *
10. Any additional feedback or suggestions for improving the sign avatar?
Optional — comments on clarity, quality, or features you'd like to see.
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Amrita Vishwa Vidyapeetham MeitY ChalaChithra Vaachana
© 2026 AmritaCREATE, Amrita Vishwa Vidyapeetham  ·  ChalaChithra Vaachana  ·  Indian Sign Language Generation