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Voice & Playback Safety

This is the public, versioned copy provided with Vocal Light.

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Vocal Light Voice and Playback Safety Notice

Effective date: September 5, 2026 Last updated: September 5, 2026 Version: voice-safety-2026-09-05-v20

Singing and range exploration

Choose notes and a practice duration that feel comfortable. Do not force your highest or lowest note, sing through pain, or repeat an uncomfortable note to satisfy the display. Avoid practice while hoarse, ill, strained, or unusually tired.

Stop immediately for pain, burning, loss of voice, hearing discomfort, ringing in the ears, dizziness, shortness of breath, faintness, or other unusual symptoms. Seek appropriate qualified advice for persistent or concerning symptoms.

The analyzer asks for a comfortable low and high note, not your absolute limits. It can misidentify a note or octave and cannot sense effort or discomfort. Review its result before saving it. Presets and saved ranges change the octave used for reference sounds; they do not establish your physical limits or a safe exercise.

Playback and volume

Start with the device volume low and adjust gradually. Loudness depends on your device, headphones or speakers, their settings, and listening duration. Volume percentages do not measure sound level at your ears.

  • iPhone displays the shared device volume. Vocal Light does not set or lower it.
  • Vocal Light Volume adjusts only this App’s reference sounds.
  • The App’s playback limits and stop controls reduce some risks but are not hearing protection. Excessive sound can cause temporary or permanent hearing injury.

For headphones, consider turning on Reduce Loud Audio in Settings > Sounds & Haptics > Headphone Safety. You manage that feature in iOS; Vocal Light does not enable or verify it.

Check where sound will play before starting and after reconnecting equipment. Connection detection can be wrong or delayed. Connecting equipment does not itself start playback. On a connection change or when iOS reports the App becoming inactive, Vocal Light is designed to stop its own sounds; this can be delayed or fail. It does not turn down another app or the shared device volume. Check and lower volume yourself before switching apps.

Music practice—not medical care

Vocal Light provides estimated musical feedback. It does not diagnose or treat voice or hearing conditions, provide a professional vocal assessment, or determine what is safe for you. Do not rely on its display or playback controls to continue through discomfort.

Do not use the App while driving, operating machinery, crossing traffic, or doing anything that requires undivided attention.

The Terms of Use and Liability Waiver explain the agreements and allocation of risk, subject to rights that cannot legally be waived.

Support

Email support@vocallight.com. Do not send voice recordings or sensitive health information by ordinary email.