How does AI voice analysis work?

The tool records your voice or accepts an audio file, then analyzes pitch accuracy, vibrato, stability, tone quality, breathing patterns, and articulation to provide comprehensive vocal feedback.

What audio formats are supported?

We support MP3, WAV, OGG, FLAC, and M4A audio formats for file uploads, plus live microphone recording.

How long can I record?

You can record up to 120 seconds (2 minutes) of audio. This is ideal for analyzing a single song section or phrase.

How accurate is the AI feedback?

Our AI provides reliable analysis based on pitch detection, spectral analysis, and vocal metrics. Results are typically 85-95% accurate depending on audio quality and background noise.

Can I compare multiple recordings?

Yes! All analyses are saved in your session history, allowing you to compare performances over time and track improvement.

What's included in the analysis?

We analyze pitch accuracy, vocal stability, tone quality, breathing patterns, technique, and articulation, then provide detailed feedback and AI recommendations.

How is the overall score calculated?

Overall score = (Pitch 25% + Stability 20% + Tone 20% + Technique 15% + Breathing 10% + Articulation 10%). Each component is scored 0-100%.

Can I export my results?

Yes! Download a detailed PDF report with all metrics, visualizations, and AI feedback for your records or to share with a vocal coach.

What does vibrato detection analyze?

We detect vibrato rate (Hz), width (cents), consistency, and musicality. This helps evaluate your vibrato technique and control.

How does breathing analysis work?

The tool identifies breath sounds and silences, measures breath duration, frequency, and placement to assess your breathing technique and phrase flow.

How does the deep voice test work?

Record or upload your voice, and the tool analyzes your vocal range to identify your lowest and highest notes, then classifies your voice type as bass, baritone, or tenor bass.

What's the difference between bass and baritone?

Bass voices have a lower range (E1-E3) with deeper resonance. Baritones have a higher range (A1-A3) with more flexibility.

Can I test my vocal range?

Yes! Simply click 'Record Voice' to record directly or 'Upload File' to analyze existing audio in MP3, WAV, OGG, FLAC, or M4A format.

What's my comfortable singing range?

Your comfortable range is where your voice sounds most relaxed and clear, typically 12-14 semitones wide. The tool identifies this automatically.

How accurate is the vocal type classification?

Our classification is 85-95% accurate based on your lowest note, highest note, and resonance characteristics. Results are most accurate with 30+ seconds of audio.

Can I upload audio files?

Yes! We support MP3, WAV, OGG, FLAC, and M4A formats. Upload any recording to analyze.

What's the lowest note detectible?

We can detect notes as low as C2 (65 Hz), which covers all bass and baritone ranges.

Fach is the German vocal classification system that categorizes voices by range and vocal characteristics, used widely in classical singing.

Can I track my range over time?

Yes! All tests are saved in your session history, allowing you to track how your range develops with practice.

How long can I record?

You can record up to 120 seconds (2 minutes). Sing scales or songs to get the most accurate results.

What is perfect pitch?

Perfect pitch (absolute pitch) is the rare ability to identify or produce musical notes without a reference tone. About 1 in 10,000 people have perfect pitch.

How does the perfect pitch test work?

The test plays random musical notes without context. You identify each note by name and octave. Your accuracy is scored scientifically.

Accessibility Statement

Last updated: August 19, 2026

VocalRangeTester.com is committed to making its tools, articles, and educational resources as usable as reasonably possible for people with different accessibility needs.

Our goal is to continue improving the site toward the principles and success criteria described in WCAG 2.2 Level AA. We do not claim that every page or interactive feature currently meets every WCAG success criterion.

You can review the official Web Content Accessibility Guidelines (WCAG) 2.2 published by the W3C.

Our Accessibility Goals

As VocalRangeTester.com is updated, we aim to improve accessibility in areas including:

keyboard navigation;
visible keyboard focus;
logical heading structure;
readable text and color contrast;
descriptive links;
meaningful text alternatives for images;
understandable form labels and instructions;
responsive layouts and zoom support;
accessible buttons and interactive controls;
clear error and status messages;
alternatives to microphone-dependent experiences where practical.

Accessibility is considered an ongoing part of site maintenance rather than a one-time checklist.

Keyboard Navigation

We aim for primary navigation, links, forms, and interactive controls to be usable without requiring a mouse.

Keyboard users should be able to move through relevant controls in a logical order and identify which element currently has focus.

Some complex interactive tools may still have controls or dynamic elements that are more difficult to operate entirely by keyboard. These are areas we want to continue improving.

If you encounter a keyboard barrier, please report it through our Contact page.

Screen Readers and Dynamic Results

Many VocalRangeTester.com tools update information in real time, including detected notes, frequencies, progress indicators, messages, and final results.

Dynamic interfaces can create accessibility challenges because information that changes visually may not always be announced automatically by a screen reader.

Some real-time pitch or status updates may therefore not yet provide an equivalent experience with every screen-reader and browser combination.

We aim to improve semantic labeling and communication of important dynamic results where practical.

Accessibility of Microphone-Based Tools

Some VocalRangeTester.com tools depend on live microphone input because their purpose is to analyze a voice or other audio signal.

A live voice-measurement feature inherently requires an audible input signal. This means the same interactive experience may not be available to users who cannot, do not wish to, or are unable to provide live vocal input.

Microphone permission can also present barriers depending on the device, browser, operating system, or assistive technology being used.

For more information about microphone-dependent features, see How It Works and our Troubleshooting Guide.

Alternatives to Live Voice Testing

Many concepts covered by VocalRangeTester.com can still be explored without using a microphone.

Useful alternatives include:

the Vocal Range Calculator for working from notes you already know;
What Is Vocal Range? for an explanation of vocal-range concepts;
the Vocal Range Chart for note and voice-category references;
Voice Types for educational information about vocal classification.

These resources do not require the same live microphone interaction as real-time pitch tools and may provide a more practical alternative for some users.

Audio and Visual Information

Some features may use sound, visual meters, charts, or changing indicators to communicate information.

Where practical, we aim to avoid making important information available through only one sensory format.

For example, when a reference tone is identified as a musical note, the note should also be represented through text or another visual indication rather than relying on sound alone.

We also aim to ensure that meaningful images and graphics have useful text alternatives where appropriate and that decorative images do not create unnecessary screen-reader noise.

Text, Zoom, and Responsive Layouts

We aim for site content to remain readable across common screen sizes and when users increase browser zoom.

Most articles are designed to reflow as the available screen width changes.

Some wide tables, charts, or complex tool interfaces may be more difficult to use at high zoom levels or on narrow screens. If a specific page requires excessive horizontal scrolling or becomes unusable when enlarged, we encourage you to report it.

Forms and Controls

Forms and tool controls should be understandable without relying only on their visual appearance.

We aim for:

visible labels or accessible names;
understandable instructions;
keyboard operation;
meaningful button text;
clear error messages;
logical focus behavior.

The Contact page is the main route for reporting form, tool, or accessibility problems.

Color and Contrast

We aim to use text, backgrounds, controls, and focus states with sufficient visual contrast for readability.

Because the site includes older content, plugins, and interactive interfaces, we do not claim that every color combination across every page has been independently verified against all WCAG contrast requirements.

If you encounter text or controls that are difficult to distinguish, please let us know.

Third-Party Content and Services

Some pages may include or link to third-party services, content, or interfaces that VocalRangeTester.com does not fully control.

Their accessibility may differ from ours.

A third-party accessibility issue does not prevent us from considering whether we can provide a better alternative, explanation, or link when practical.

Known Accessibility Limitations

Areas that may currently present accessibility challenges include:

real-time pitch or frequency values that are not consistently announced by screen readers;
complex visual controls that may require additional keyboard support;
dynamic charts or comparison interfaces;
microphone permission workflows controlled partly by browsers or operating systems;
some wide tables or tool layouts at high zoom levels;
older pages or components that may not fully reflect current accessibility goals.

This list may not identify every barrier on the site.

Accessibility Feedback

If you experience an accessibility problem, we would like to know about it.

Please use our Contact page and, where possible, include:

the page or tool URL;
what you were trying to do;
the accessibility barrier you encountered;
your browser and device;
the assistive technology you were using, if relevant;
any workaround that did or did not help.

This information can help us understand the issue and investigate practical improvements.

How We Review Accessibility

Accessibility is reviewed as part of ongoing website maintenance, tool updates, and reader feedback.

Unless explicitly stated otherwise, this Accessibility Statement should not be interpreted as certification from an independent accessibility auditor.

When significant accessibility barriers are identified, we aim to consider them alongside other usability, technical, and content improvements.

Changes to This Statement

We may update this Accessibility Statement when:

tools or layouts change;
accessibility improvements are introduced;
significant barriers are identified;
standards or guidance change;
additional clarification is needed.

The Last updated date at the top of this page indicates the current version.

Contact

If you need help accessing information on VocalRangeTester.com or want to report an accessibility problem, please use our Contact page.

If an interactive tool is difficult to use, you can also review the site’s educational articles and non-microphone resources as alternative ways to access related information.