Add, average or subtract sound levels in dB: total of several sources, N identic...
https://audio-calc.x402tookit.com/db-sumOverview
Add, average or subtract sound levels in dB: total of several sources, N identical sources, or background-corrected level.
Protocol
x402
Price
$0.02
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
uncategorized
Provider
Audio Calc
Source
bazaar
Indexed
2026-10-20 21:22:32
Health
Status
healthy
Latency (p50)
1136ms
Uptime (30d)
92.9%
Reliability Score
81.4/100
Last Checked
2026-10-28 06:36:25
Last Healthy
2026-10-28 06:36:25
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
—
Input Schema
{
"method": "GET",
"queryParams": {
"levels": "60,60,70"
},
"type": "http"
}
Output Schema
{
"example": {
"asOf": "2026-10-11T14:38:34.101Z",
"averageDb": 66.0206,
"count": 3,
"degraded": false,
"disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
"increaseDb": 0.791812,
"levelsDb": [
60,
60
],
"loudestDb": 70,
"mode": "add",
"notChecked": [
"coherent sources (identical signals in phase add 6 dB, not 3 dB, and can cancel)",
"frequency weighting: A-weighted and unweighted levels must not be mixed",
"…2 more"
],
"reasons": [
"Levels are converted to energy, summed, and converted back; the loudest source dominates.",
"Equal sources add 3 dB per doubling."
],
"source": "Energy summation of incoherent sound levels: L = 10 log10(sum of 10^(Li/10)), computed locally",
"summary": "Combined level 70.792 dB from 3 sources (loudest 70 dB, +0.792 dB).",
"totalDb": 70.791812,
"verdict": "COMPUTED"
},
"type": "json"
}