AudioAvailableResearch

Everyday Audio

Kitchen, tool and machine sound events, recorded close and clean.

Hours: 240; of reviewed data
recordings: 16k; 16,200 in total
Countries: 18; contributor locations
Annotations: 3; labels per item
Open bounties: 2; feeding this set
License from: $6,000; Research

About this set.

Speech-free recordings of real activity for event detection and machine monitoring.

Use cases

Sound event detection
Anomaly detection

ambientmachinery

Annotation schema. One JSON record per item.

Field	Type	Description
Item
`id`uuid	uuid	Stable item ID, unchanged across refreshes
`contributor`string	string	Salted SHA-256 of the contributor wallet, never the address
`task`string	string	Bounty the item was captured against
`captured_at`ISO 8601	ISO 8601	Upload time, UTC
`country`ISO 3166-1	ISO 3166-1	Contributor country, two-letter code
Capture
`duration_sec`number	number	Recording length in seconds
`sample_rate_hz`integer	integer	44,100 or 48,000
`channels`integer	integer	1 (mono) or 2 (stereo)
Annotation
`annotations.events`string[]	string[]	Sound events present
`annotations.onsets`number[]	number[]	Event onsets in seconds
`annotations.device`string	string	Recording device class
Provenance
`consent`object	object	Consent version and time, recorded per item
`attestation`object	object	EAS attestation UID on OP Mainnet

Schema preview. What one record looks like.

everyday-audio/sample.json

{
  "id": "1b09ea01-0c56-482d-a291-023faf5e23f5",
  "contributor": "sha256:a1ea6a964e72c99c…0de80e95",
  "task": "kitchen-sounds",
  "captured_at": "2026-08-12T12:02:00Z",
  "country": "US",
  "duration_sec": 35.7,
  "sample_rate_hz": 48000,
  "channels": 1,
  "annotations": {
    "events": [
      "pan_sizzle",
      "tap_running",
      "cupboard_close"
    ],
    "onsets": [
      1.2,
      8.6,
      21.4
    ],
    "device": "phone"
  },
  "consent": {
    "recorded": true,
    "version": "2026-06",
    "at": "2026-08-12T12:02:00Z"
  },
  "attestation": {
    "chain_id": 10,
    "uid": "0x84361e2582c884c7cc7564a55efbb3ff8668497e6ca65c31e07755388e0b081f"
  }
}

Illustrative values in the delivered shape. Contributor wallets are hashed and never shipped.

Bounties feeding this set. Open now.

License tiers. Priced from this set's listed tier.

Research

Listed

Evaluate and publish. Not for products.

from$6,000

Non-commercial research and benchmarks
Full items, annotations and per-item JSON
Attestation UID for every item
12-month term, citation required

Commercial

Train models you ship.

from$15,000

Everything in Research
Train and deploy commercial models
Weights you train are yours to keep
Quarterly refreshes as the set grows

Exclusive

The set is yours alone for the term.

from$45,000

Everything in Commercial
Sole license for 24 months
Withdrawn from the public catalog
Custom bounties to extend it

This set is licensed at its listed tier or above. Final pricing depends on volume, refresh cadence and delivery.

Research from$6,000