Foundations
Understanding Voice Gender Presentation
Learn what voice gender presentation means, which acoustic cues can influence perception, and why a recording is not an identity label.
Read guide →Voice analysis knowledge hub
Practical guides for private voice exploration
These original guides explain what a browser-based voice analysis can measure, what it cannot determine, and how to record and compare samples responsibly. The tool processes audio locally; the articles never treat a recording as an identity label or medical assessment.
Foundations
Clear limits and useful language for reading an acoustic voice result.
Pitch basics
Pitch, ranges, movement, and the context that makes a comparison meaningful.
Pitch basics
How Pitch Affects Voice Perception
A practical explanation of speaking pitch, pitch range, overlap, and how to interpret Hertz without turning it into an identity label.
Read guide →Metrics explained
Plain-English explanations of the values shown in a local report.
Metrics explained
How to Read Your Pitch Range
Understand median F0, an 80 percent pitch range, pitch movement, and the limits of a short speaking-voice sample.
Read guide →Quality and confidence
Recording setup, confidence, and the signal checks behind a reliable sample.
Quality and confidence
Recording Quality for Pitch Analysis
Learn what makes a short speech recording suitable for local YIN pitch detection and why quality affects confidence rather than identity.
Read guide →Quality and confidence
What a Voice Analysis Confidence Score Means
Understand why confidence reflects recording evidence and algorithm stability, not confidence in a person’s gender or identity.
Read guide →Privacy technology
Local processing, microphone permission, cookies, and privacy verification.
Privacy technology
How Browser-Local Audio Processing Works
See how microphone permission, Web Audio processing, local acoustic statistics, and privacy work in a browser-based voice tool.
Read guide →Privacy technology
How to Check That Audio Stays Local in Your Browser
A step-by-step privacy check for microphone permissions, browser network requests, and optional forms on a local voice analysis website.
Read guide →Privacy technology
Voice Analysis Privacy, Cookies, and Optional Advertising
Understand the difference between local audio processing, optional email forms, cookies, advertising technologies, and consent choices.
Read guide →Troubleshooting
Practical ways to avoid misleading comparisons.
Troubleshooting
Why Voice Analysis Results Can Change
Discover why pitch and acoustic presentation results vary across recordings and how to make your comparisons more reliable.
Read guide →Using the tool
How to read a presentation reference responsibly.
Using the tool
How to Interpret a Gender Presentation Spectrum
Learn how to read an acoustic gender-presentation spectrum without mistaking it for gender probability, diagnosis, or identity classification.
Read guide →