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Resound
The site lists a mailing address of PO Box 558, Pewee Valley, KY 40056.
What it is
Resound is an AI editing app for podcast creators that automates parts of audio cleanup. It identifies filler sounds such as umms, ahhs, ehhhs, and errs, and finds silences longer than three seconds. Users can review suggested edits and trim audio with click-and-drag controls. Enhance mixes and masters recordings by removing background noise, leveling, normalizing, and polishing audio for export. Single-track and multitrack uploads are supported, with WAV, MP3, or AAF exports as merged or individual tracks. The free plan provides 20 minutes of processed audio, one track per project, one-day storage, detection tools, trimming, and MP3 export. Paid plans start at $15 a month; Creator includes four hours of processing and two tracks per project. A 14-day trial offers one hour of AI processing and all features. Processing time is charged per project according to its longest file, and unused hours expire at the billing period’s end. Resound also provides an API returning edit predictions in JSON, though approval is required for access.
For and against
For
- Detects filler sounds and long silences
- Enhance removes noise and levels audio
- Supports single-track and multitrack uploads
- Exports WAV, MP3, and AAF
- 14-day trial includes all features
Against
- Free plan limits processing to 20 minutes
- Unused processing hours expire each billing period
- API access requires approval
- Paid plans start at $15 a month
The verdict
Resound combines automated podcast edits with controls for reviewing and trimming results. The free allowance, processing rules, export options, and API approval requirement are key planning details.
Who it suits
Resound suits podcast creators who want automated filler and silence detection alongside manual trimming and audio enhancement. Its API also targets editing, listening, recording, hosting, and e-learning applications.
Plans and prices
Free
20 mins processed audio · filler and silence detection · trim · MP3 export
Read 15 Oct 2026 · resound.fm
Creator
4 hrs processed audio · MP3/WAV/AAF/MP4 export · 2 tracks/project · 15-day storage
Read 15 Oct 2026 · resound.fm
Professional
10 hrs processed audio · MP3/WAV/AAF/MP4 export · 4 tracks/project · 30-day storage
Read 15 Oct 2026 · resound.fm
Studio
30 hrs processed audio · MP3/WAV/AAF/MP4 export · 4 tracks/project · 60-day storage
Read 15 Oct 2026 · resound.fm
Enterprise
50+ hrs processed audio · API access · onboarding call · priority support
Read 15 Oct 2026 · resound.fm
On the record
- API
- The API returns AI edit predictions in JSON and requires approval to obtain API access.resound.fm · read 2 Oct 2026
- API access process
- API users must request access, receive approval, generate an authentication key and then submit prediction requests.resound.fm · read 15 Oct 2026
- API audience
- The API is aimed at audio and video editing apps, listening apps, remote recording apps, podcast hosting sites, and e-learning platforms.resound.fm · read 2 Oct 2026
- API capability
- The public API accepts file URLs and callbacks and returns filler-sound and silence predictions as JSON.resound.fm · read 15 Oct 2026
- API examples
- The API page provides request examples for Python, JavaScript and cURL.resound.fm · read 15 Oct 2026
- API model claims
- Resound claims an 88% user acceptance rate for suggested edits and training on more than 200,000 examples.resound.fm · read 15 Oct 2026
- API use cases
- Resound markets the API for audio/video editors, listening apps, remote-recording apps, podcast hosts and e-learning platforms.resound.fm · read 15 Oct 2026
- Company history
- Resound says it was started as a new company in 2021 after the team built an internal podcast-editing tool in 2020.resound.fm · read 2 Oct 2026
- Company legal name
- The terms and privacy policy identify the provider as Resound, Corp.resound.fm · read 15 Oct 2026
- Company origin
- Keyhorse Capital reports that Jacob Bozarth started Resound in 2021 from an internal automation problem at Resonate Recordings.keyhorse.vc · read 15 Oct 2026
- Company profile
- LinkedIn lists Resound as a privately held software-development company with 2–10 employees and headquarters in Prospect, Kentucky.linkedin.com · read 15 Oct 2026
- Content rights
- Users retain ownership of uploaded content, while granting Resound a broad license to provide services and use anonymized or aggregated data for research and machine-learning training.resound.fm · read 15 Oct 2026
- Documentation and support
- The Help Center has getting-started, recording, FAQ, bug-reporting, export, missing-edits, Enhance-failure and storage articles.help.resound.fm · read 15 Oct 2026
- Enhance
- Enhance mixes and masters audio by reducing background noise, equalizing, smoothing dynamics and raising loudness to streaming standards.resound.fm · read 15 Oct 2026
- Export formats
- Exports can be merged files, individual files or both, in WAV, MP3 or AAF; paid plans also list MP4 export.resound.fm · read 15 Oct 2026
- File handling
- Users can upload single-track or multitrack audio and export WAV, MP3, or AAF files as merged or individual tracks.resound.fm · read 2 Oct 2026
- Filler detection
- Its machine-learning models identify filler sounds such as umms, ahhs, ehhhs and errs.resound.fm · read 15 Oct 2026
- Funding
- Resound announced a $1.35 million pre-seed round on July 21, 2022, backed by Render Capital, Keyhorse Capital, Lunsford Capital, Bluegrass Angels and others.resound.fm · read 15 Oct 2026
