Public by default
Sound passports, methods, corrections, and recall notices are available without a manufacturer login.
Listen at home
Laboratory measurements become meaningful only when repeated under ordinary domestic conditions.
Safety before curiosity
No acoustic classification requires opening a housing, approaching a blade, or leaning into steam.
A short institutional history
First kettle census
Seventeen whistles entered on index cards.Chrome period
Reflection added as an acoustic variable.Crumb baseline
Toast residue formally separated from motor tone.Digital beige
Beep classes outnumber bells for the first time.Public register
Household corrections join declared records.Revision 11-B
Wet lamps and biscuit rotation receive codes.Directorates and peculiar responsibilities
Ordinary Resonance
Maintains notes, waveforms, and the room-class vocabulary.
Field Listening
Coordinates 733 public listeners and four annexes.
Counterfeit Silence
Investigates quiet claims that do not survive an ordinary kitchen.
Labels and Appeals
Issues seals, publishes dissent, and hears flat/sharp disputes.Governance and accountability
Record authority
The Register may classify and publish appliance sound behavior, correct its own records, and issue acoustic label notices. It does not certify electrical safety, repair appliances, or mediate arguments with neighbors.
Industry declarations are marked separately until independent observation confirms them.
| Public output | Cadence | Owner |
|---|---|---|
| Register extract | Quarterly | Data Office |
| Recall list | Monthly | Safety Desk |
| Method revisions | As heard | Laboratory |
| Appeal decisions | After sufficient tea | Label Board |