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Audio Calc – Room Mode Frequencies
x402
Audio Calc – Room Mode Frequencies is a paid API for AI agents from audio-calc.x402tookit.com, paid per call via x402, $0.02/call, status unknown (last checked 2026-10-29).
Calculates axial, tangential, and oblique room mode frequencies for a rectangular room, plus the Schroeder frequency derived from RT60.
Price / call$0.02
Success—
StatusUnknown
How this service works
Room mode frequencies (axial, tangential, oblique) for a rectangular room, plus Schroeder frequency from RT60.
Output
Returns a list of room mode frequencies in Hz, each tagged with its type (axial, tangential, oblique) and order notation (e.g. '1,0,0'). Also includes room volume, per-dimension first axial frequencies, the Schroeder frequency (if RT60 was provided), a summary verdict on the room's modal distribution, and any warnings or degraded-result flags.
Example use cases
Home studio acoustic analysis
“My home studio is 5m long, 3.5m wide, and 2.4m high — can you list all the room modes up to 250 Hz and tell me which ones are axial, tangential, or oblique? I measured an RT60 of about 0.35 seconds.”
Listening room Schroeder frequency
“I'm setting up a dedicated listening room that's 7m by 5m by 3m. What's the Schroeder frequency if my RT60 is 0.5 seconds, and can you show me the first 20 modes?”
Comparing room dimensions for studio build
“I'm choosing between two room sizes for a new recording booth. The first option is 4.8m x 3.2m x 2.6m at 20°C — calculate its room modes up to 300 Hz so I can evaluate how the bass frequencies stack up.”
Technical details
Endpoint
GEThttps://audio-calc.x402tookit.com/room-modes?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to compute the acoustic resonant frequencies of a rectangular room for studio design, acoustic treatment planning, or listening room evaluation. It is purpose-built for audio/acoustic engineering use cases and returns mode type classifications and Schroeder frequency in a single call, making it more convenient than a general physics calculator.
Side effects
- Missing required dimensions (length, width, height) returns a validation error
- Non-physical values (zero or negative dimensions) return an error
- RT60 not provided means Schroeder frequency will be null/omitted
- maxHz outside the 20–1000 range or count outside 1–100 returns a validation error
- Very small rooms may have extremely sparse mode lists below the requested maxHz
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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