Math & Numbers

Calculate the elastic potential energy and force of a spring in compression or extension. U = ½·k·x², F = k·x. Solve energy from displacement, or displacement from energy.

Math & Numbers

Calculate the stiffness (spring rate) of a cylindrical helical compression/extension spring. k = G·d⁴ / (8·D³·n) in N/mm. Includes shear-modulus presets for common spring materials.

Media

Split a long sermon or lecture at reliable silences and optional timestamped topic, applause, or music hints.

Media

Estimate speech clarity from level, noise separation, reverberant tails, high-frequency presence, clipping, and speech-band energy.

Health

Calculate sweat rate, net fluid loss, and a recommended hourly drinking range from pre/post body weight, fluid intake, urine volume, and session duration.

Media

Validate an audiobook chapter or full file against ACX/Audible submission requirements: RMS, peak, noise floor, duration, format, and chapters.

Media

Add the required lead-in, lead-out silence, and room tone between audiobook chapters for ACX-compliant submission.

Media

Generate sentence or word-level timestamp cues from a narration audio and its script, for karaoke-style reading and language learning.

Media

Estimate how long a script will take to read aloud, with optional calibration from a recorded sample.

Media

Match loudness between a host and a guest track (or any two voice takes) while preserving natural dynamics.

Media

Insert ad-insertion markers into a podcast episode: audible beep tones, ID3 chapter markers, and metadata tags for programmatic ad insertion.

Media

Automatically duck a music bed under voice/dialogue using sidechain compression, with fade-in/out templates for intros and outros.