Audio Calc
audio-calc.x402tookit.com · 12 paid endpoints · listed 2026-11-02
Frequencies, cents and ratios of the 12 notes in equal, 5-limit just, Pythagorean or quarter-comma meantone tuning.
Paid endpoints
| Method | Endpoint | Price | Networks |
|---|---|---|---|
| GET | audio-calc.x402tookit.com/bit-depth Dynamic range, levels and smallest step for a PCM bit depth, theoretical SNR, and the bit depth needed for a dB range. | $0.02 | Polygon, Arbitrum, Base, Solana |
| GET | audio-calc.x402tookit.com/bitrate-size Audio file size from bitrate and duration, or the bitrate or duration it implies; PCM size from rate, depth and channels. | $0.02 | Polygon, Arbitrum, Base, Solana |
| GET | audio-calc.x402tookit.com/buffer-latency Audio buffer size to latency in ms (one way and round trip) at a sample rate, or the buffer needed for a latency target. | $0.02 | Polygon, Arbitrum, Base, Solana |
| GET | audio-calc.x402tookit.com/db-sum Add, average or subtract sound levels in dB: total of several sources, N identical sources, or background-corrected level. | $0.02 | Polygon, Arbitrum, Base, Solana |
| GET | audio-calc.x402tookit.com/dbfs Convert between linear amplitude and dBFS, and get the RMS level and crest factor of a sine, square, triangle or sawtooth. | $0.02 | Polygon, Arbitrum, Base, Solana |
| GET | audio-calc.x402tookit.com/interval-ratio Convert a frequency ratio (3:2) to cents and semitones or back, name just and Pythagorean intervals and commas, apply to Hz. | $0.02 | Polygon, Arbitrum, Base, Solana |
| GET | audio-calc.x402tookit.com/lufs-math Loudness maths: gain to a LUFS target or platform, resulting true peak vs ceiling, or combining segment loudness. | $0.02 | Polygon, Arbitrum, Base, Solana |
| GET | audio-calc.x402tookit.com/room-modes Room mode frequencies (axial, tangential, oblique) for a rectangular room, plus Schroeder frequency from RT60. | $0.02 | Polygon, Arbitrum, Base, Solana |
| GET | audio-calc.x402tookit.com/sample-rate Nyquist frequency for a sample rate, plus the alias frequency and samples per cycle of a tone, and the guard band above 20 kHz. | $0.02 | Polygon, Arbitrum, Base, Solana |
| GET | audio-calc.x402tookit.com/sound-wavelength Speed of sound in air at a temperature, wavelength and period for a frequency or the reverse, with delay per metre. | $0.02 | Polygon, Arbitrum, Base, Solana |
| GET | audio-calc.x402tookit.com/spl-distance Sound level at another distance (inverse-square law; line sources fall 3 dB per doubling), or the distance for a level. | $0.02 | Polygon, Arbitrum, Base, Solana |
| GET | audio-calc.x402tookit.com/tuning-temperament Frequencies, cents and ratios of the 12 notes in equal, 5-limit just, Pythagorean or quarter-comma meantone tuning. | $0.02 | Polygon, Arbitrum, Base, Solana |
Latest checks
| When | Endpoint | HTTP | ms | Result |
|---|---|---|---|---|
| Not checked yet. | ||||
Income on Base (7 days)
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