Visual Generators

Voice Note Waveform

Import an authorized WAV recording, mark the exact spoken boundary, and generate a deterministic player or spectrogram reveal.

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Use only audio you recorded or are authorized to use. This tool does not record a microphone, upload audio, or infer a speaker's identity.

Audio reveal preview

Import or prepare an authorized WAV recording, then calculate the reveal.

Ready for an authorized WAV source.

Audio boundary and content

Keep the performer-owned source, transcript, target phrase, and exact target boundary together so edits become visibly stale.

Current source

fictional fixture

1. Source permissionImport a WAV file

Only uncompressed PCM or 32-bit float WAV files are decoded. The file stays in this browser session.

Sample rate: 16000 Hz
Frames: 32000
Duration: 2.000s

2. Spoken content

Transcript

Enter the exact local transcript. Keep it to the authorized performance source.

Target word or phrase

Occurrence

Target start (seconds)

Target end (seconds)

Boundaries are converted to integer sample positions before analysis; the marked interval must contain audible target material.

3. Review gatesI will use this only as a controlled theatrical reveal, not as evidence of surveillance or a real private message.I recorded this source or have permission to use it.I have checked the recording for private or identifying information before exporting it.I reviewed the transcript, target pronunciation, and exact boundary against the recording.

This local audio reveal needs JavaScript for WAV decoding, sample-derived analysis, stale-lock detection, and local exports.

Voice Note Waveform

Audio boundary and content

Accessibility

Text adjustments

Color adjustments

Content highlighting

Navigation and reading