sentivoice

High quality AI vocal analysis and coaching

Upload a recording or stage performance video and get a scored breakdown across pitch, key accuracy, timing, performance, dynamics, vocal strain, expression. Your AI coach then turns those results into personalized exercises to help you improve.

Two modes for every performer

Audio Analysis

Deep acoustic analysis of the recording. Scored on pitch accuracy, vocal strain, timing, dynamics, and emotional expression.

01Pitch & key accuracy with flagged problem moments
02Vocal health - jitter, shimmer, HNR
03Timing and groove consistency
04Dynamic range and control
05Emotional expression via AI

MP3 / WAV / M4A / MP4 / MOV - max 50MB

Stage Performance Video Analysis

Full performance analysis combining vocal quality with stage presence. Body language, crowd connection, and mic technique all scored.

01Everything in Audio Analysis
02Stage presence and movement
03Audience connection moments
04Facial expression analysis
05Mic technique and positioning

MP4 / MOV / AVI / MKV - max 2GB

Frequently asked questions

What file formats are supported?

Audio Analysis accepts MP3, WAV, M4A, MP4, MOV (up to 50MB). Stage Performance Video Analysis accepts MP4, MOV, AVI, MKV (up to 2GB).

How long does analysis take?

Audio Analysis is usually quick. Stage Performance Video Analysis takes longer, depending on length and analysis depth - you can watch live progress the whole time.

Is my audio/video stored?

Files are automatically deleted after 24 hours. They are never shared with third parties or used for AI training.

What does the score mean?

READY (75+) means the performance is polished and stage-ready. ALMOST (55–74) means minor improvements are needed. NOT YET (<55) means significant work is recommended.

How accurate is the AI analysis?

We use industry-standard algorithms for pitch detection and acoustic analysis, combined with Google Gemini AI for nuanced musical expression and stage presence.