Sound speed, wavelength, Doppler shift, decibel addition, distance attenuation a
Sound speed, wavelength, Doppler shift, decibel addition, distance attenuation and echo distance
Answeringour last check, 2026-10-26
1 of 1checks answered this week
315 msmedian answer time
$0.01listed price per call
$0.01price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://saylorinnovations.com/api/physics/waves-sound
| Category | Everything else |
|---|---|
| Provider host | saylorinnovations.com |
| Networks | eip155:137, eip155:42161, eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-26 | valid payment request | 402 | $0.01 | 315 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"frequency_hz": "440",
"level_db_at_distance": "90",
"levels_db": "85,85,80",
"new_distance_m": "16",
"reference_distance_m": "1",
"source_speed_ms": "30",
"temperature_c": "20",
"thunder_seconds": "8"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"frequency_hz": {
"description": "optional frequency in Hz (query)",
"type": "string"
},
"level_db_at_distance": {
"description": "optional sound level in dB at the reference distance (query)",
"type": "string"
},
"levels_db": {
"description": "optional sound levels of several sources in dB separated by commas to combine (query)",
"type": "string"
},
"new_distance_m": {
"description": "optional new distance for the level (query)",
"type": "string"
},
"reference_distance_m": {
"description": "optional reference distance, default 1 (query)",
"type": "string"
},
"source_speed_ms": {
"description": "optional speed of the source toward the observer in m/s, negative if moving away (query)",
"type": "string"
},
"temperature_c": {
"description": "optional air temperature, default 20 (query)",
"type": "string"
},
"thunder_seconds": {
"description": "optional seconds between lightning and thunder (query)",
"type": "string"
}
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"const": "json",
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}