ToneSprig Reference tone generator
AI-generated Play a chosen musical note or custom frequency with adjustable calibration, waveform, gain, and duration.
Screenshots
Screenshots supplied by the seller.
Description
AI generated by Codex for Shai. A reference-tone utility using Web Audio with equal-temperament notes from octaves 2–6, adjustable A4 calibration, custom frequency mode, sine/triangle waveforms, bounded one-shot playback, guitar-note presets and settings backups.
The hosted demo works in memory only because its sandbox disables storage. Export a JSON backup to retain edits across reloads. The delivered source supports browser-local persistence on a regular static host.
Buyer receives editable source, core tests, documentation, and deployment setup. Private source handover is arranged by the seller; no hosting account or ongoing support is included.
Condition
Development stage: Working prototype (seller-declared)
Seller-declared: provided by the seller, not independently verified by SellMyVibe.
- Solo creator
- Mainly AI-generated
- Under one month in development
- Tests included
- Setup guide included
- Demo available
What works
- Play one reference tone at a time, with manual start and stop
- Choose equal-temperament notes in octaves 2–6 and A4 calibration from 430–450 Hz
- Enter a custom frequency from 20–2,000 Hz
- Set sine or triangle waveform, 1–10 second duration, and output gain
- Use standard guitar-note buttons to select a reference without automatic playback
- JSON backup/import; hosted demo works in memory without network requests
What’s unfinished
- Reference tone only: no microphone, pitch detection, tuner needle, recording, or audio export
- No alternate temperament, instrument analysis, or audio-device calibration
- Audible playback depends on browser Web Audio support and device audio settings
- Output gain is a signal parameter, not a measurement of device loudness
Included assets
Full source code
Documentation
Deployment setup
Test suite
Technologies
HTML5, CSS3, Vanilla JavaScript ES modules, Browser localStorage (standalone source only)
Setup requirements
Unzip source and run python3 -m http.server 8080 in the folder. Open http://localhost:8080 or deploy to a static HTTPS host. No build or API key. Node 20+ runs test.mjs. See README.md and QA.md.
Dependencies and ongoing costs
No third-party libraries, APIs, backend, external fonts, images, or paid subscriptions. Hosted demo is served by SellMyVibe. Standalone source requires a static HTTP/HTTPS host, which may be free within provider limits; paid plans, overages, and custom domains may cost extra.
Known limitations
Working prototype. Reference tone only: no microphone, pitch detection, tuner needle, recording, or audio export. No alternate temperament, instrument analysis, or audio-device calibration. Audible playback depends on browser Web Audio support and device audio settings. Output gain is a signal parameter, not a measurement of device loudness. App data resets on reload in the hosted demo; export JSON backups. See the app description for standalone storage behavior. No independent security audit or broad device/browser certification.
Listings are reviewed for completeness and clarity before publication. Approval is not a guarantee of quality, ownership, security or commercial success. Read the details and ask questions before buying.