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

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Detect likely speech-range activity and export speech/non-speech ranges as JSON, CSV, SRT markers, or an FFmpeg cut list.

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

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

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

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

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

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Compare multiple recorded takes by noise, clipping, tempo, duration and consistency, then rank them to pick the best.

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Extract the background ambience/room tone from a fragment and generate a seamless loop of any target length.

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Detect breaths in speech and naturally crossfade to reduce, remove, or keep them.

Finance

Calculate the true Annual Percentage Rate (APR) of a loan when upfront fees are involved. The nominal interest rate sets the monthly payment, but fees reduce the net cash received, raising the effective APR. Uses Newton's method to solve the annuity present-value equation. Shows APR, nominal rate, monthly payment, and the APR premium.

Media

Analyze voice issues and suggest a processing chain, with a before/after preview of the cleaned audio.