Upload a voice recording and get a full AI personality profile, stress analysis or compatibility report as PDF — in minutes. No registration required.
Analyze my voice now →From $3 · PDF in minutes · 99 languages · MIT & Göttingen research
Voice analysis is the process of extracting personality traits, emotional states and behavioral patterns directly from the acoustic properties of a person's speech. Unlike traditional questionnaires, AI voice analysis requires no self-reporting — the voice itself carries the data.
PsychoVoice.ai offers three professional voice analysis tools, each targeting a different use case: individual personality profiling, couple compatibility, and stress or authenticity detection. All tools work online — simply upload a recording and receive a detailed PDF report.
acoustic features measured per recording
languages supported automatically
personality prediction accuracy (MIT research)
average time to receive your PDF report
One speaker. Complete Big Five personality profile from your voice recording — no questionnaire, no forms.
Two speakers. AI voice analysis for couple compatibility — score 0–100% based on voice alone.
Stress and authenticity voice analysis. Detect hidden tension, emotional load and inauthenticity patterns.
MP3, WAV or M4A. A WhatsApp voice note works perfectly. Min. 1 minute of speech.
The algorithm extracts 40+ acoustic parameters: pitch, rhythm, pace, energy, micro-pauses and emotional tone.
A detailed voice analysis report is emailed to you in 2–5 minutes. No account needed. Recording deleted after processing.
Scientific basis: Studies from the University of Göttingen (2012) and MIT Media Lab demonstrate that voice analysis can predict Big Five personality traits with 70–80% accuracy. PsychoVoice.ai uses these research models. Results are orientational — not a clinical assessment.
A voice recording contains far more information than the words spoken. Our voice analysis AI extracts and interprets the following acoustic dimensions:
| Acoustic Feature | What it reveals |
|---|---|
| Fundamental frequency (pitch) | Emotional state, confidence, dominance |
| Speech rate & rhythm | Extraversion, anxiety level, cognitive load |
| Vocal energy & loudness | Assertiveness, stress, enthusiasm |
| Pause patterns | Thoughtfulness, uncertainty, deception indicators |
| Pitch variability | Emotional expressiveness, openness |
| Voice quality (jitter/shimmer) | Tension, nervousness, authenticity |
| Spectral features (MFCC) | Deep personality traits, conscientiousness |
| Language & vocabulary patterns | Emotional processing style, agreeableness |
These 40+ features are combined using machine learning models trained on thousands of voice samples and validated against established personality research.
Understand communication styles and compatibility before or during a relationship.
Get an additional personality data point from interview recordings.
Use voice analysis as an orientational tool to understand clients faster.
Discover your own personality from a different angle — no questionnaire bias.
Track emotional changes over time by analyzing recordings from different periods.
Analyze public figures, speeches or interviews for authenticity patterns.
Traditional personality tests (like Myers-Briggs or MBTI) rely on self-reported answers, which are often biased by how we want to be perceived. Voice analysis bypasses this problem entirely — it reads acoustic signals that we cannot consciously control.
| Method | Time | Bias risk | Requires self-awareness |
|---|---|---|---|
| AI Voice Analysis | 2–5 min | Very low | No |
| Personality questionnaire | 15–30 min | High | Yes |
| Psychologist interview | 60+ min | Medium | Yes |
The AI measures 40+ acoustic features in your voice — pitch, rhythm, pace, energy, pauses and micro-variations. These signals are processed by machine learning models trained on research from MIT and University of Göttingen to predict personality traits and emotional states.
Any natural speech recording works — a WhatsApp voice note, voice memo, phone call or Zoom excerpt. Supported formats: MP3, WAV, M4A. Minimum 1 minute, maximum 5 minutes per analysis.
MIT Media Lab and University of Göttingen research shows 70–80% accuracy for Big Five trait prediction. Results are orientational — they reflect statistical tendencies, not clinical certainty.
Yes. You can submit a recording of any person — a partner, colleague, public figure or anyone whose voice you have. The analysis works on any natural speech sample.
Yes. The system supports 99 languages and automatically detects the language. Reports are generated in the detected language — no setup needed.
Usually 2–5 minutes from the moment of upload. The PDF report is sent immediately to the email address you provide during checkout.
No. Audio files are deleted automatically after analysis. We do not store recordings, transcripts or personal data beyond what is needed to deliver your report.
Our VoiceCheck tool measures acoustic stress markers, authenticity index and emotional tension patterns associated with inauthenticity. It does not definitively prove deception — it identifies voice patterns that deviate from a relaxed, authentic baseline.
The report includes: Big Five personality scores with explanations, communication style description, emotional patterns, practical recommendations, and (for VoiceCheck) stress level and authenticity index with acoustic charts.
No account or registration required. Pay via Stripe, upload your recording, provide an email and receive your PDF. That's it.
Upload a 1-minute recording and receive your personality report in minutes. No registration. Secure payment.
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