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About

Resound uses proprietary machine learning models to identify unwanted mistakes that distract listeners. Automatically find silences longer than 3 seconds in your audio to shorten your episode, improve the pace, and boost listener retention. Make your own edits with a simple click and drag, refining your content so it’s ready to publish to the world. Automatically mix and master your podcast to remove background noise, level, normalize, polish, and export at optimal loudness standards. Resound was built from the ground up to automate the mundane, allowing you to focus on your message, not your mess-ups. Drag and drop your unedited single-track or multitrack audio files into the upload circle; Resound accepts all major file formats. Sit back and let Resound’s proprietary machine learning go to work on your audio, identifying all the edits you should consider, and staying in control by reviewing each edit, selecting a cut to remove it, or leaving it alone.

About

Audible's ACX has eight technical checkpoints, and a file that misses one comes straight back. chapterpass masters each chapter file to spec: RMS loudness between -23 and -18 dBFS, peaks held below -3 dBFS, a noise floor under -60 dBFS RMS, room tone at the head and tail, and a 192 kbps CBR MP3 on the way out. Every output is verified against the full spec before download, and you see the measured value next to the requirement for each checkpoint. The processing runs in your browser through WebAssembly, so your audio never leaves your device. There is no account to create. Your first file is free, then $36 per finished hour, $27 from 5 hours, $18 from 10 hours, billed by the second. A free measurement page at /free-acx-check reads your loudness, peak, noise floor and silence padding against the spec without mastering anything. chapterpass masters the measurable technical specs. It does not edit your recording, remove noise, or fix narration.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Podcasters wanting an AI tool to automate their post-production process

Audience

Audiobook narrators, indie authors narrating their own books, audiobook producers and post-production studios preparing files for Audible ACX

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

No images available

Pricing

$12 per month
Free Version
Free Trial

Pricing

$36 per finished hour
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

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Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Resound
United States
www.resound.fm/

Company Information

chapterpass
Founded: 2026
Italy
chapterpass.com

Alternatives

Alternatives

Podcastle

Podcastle

The Business Rover
Loudness

Loudness

Loudness.fm
Elevate

Elevate

Newfangled Audio
ETA SPOT

ETA SPOT

ETA Transit

Categories

Categories

Integrations

No info available.

Integrations

No info available.
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