Related Products
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About
Not to be confused with Mixing where you make the decisions on volume, EQ, reverb, limiting, noise reduction, etc to create a stereo mix; Mastering is the final enhancement to your overall mix. For the same reason major artists, advertisers & TV networks do - to deliver an audio product that meets the technical requirements of the industry, and provides a more immersive audience experience. Upload your media file(s). We accept many audio and video formats. Choose how would you like to optimize your sound by selecting among various remastering profiles. Compare original and remastered sound simply by switching profiles during playback. Select the profile you liked the most, add it to the cart and proceed to checkout. Finally download your remastered media file or zipped folder if you processed multiple files at once. Publish your audio or video clips to the appropriate online or broadcast channels as usual.
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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.
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Audience
Audio and Video editing software for companies or individuals
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Audience
Audiobook narrators, indie authors narrating their own books, audiobook producers and post-production studios preparing files for Audible ACX
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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API
Offers API
Supported
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API
Offers API
Not Supported
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Screenshots and Videos |
Screenshots and VideosNo images available
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Pricing
$6,5 per month
Pay as you go, monthly subscription or yearly unlimited plan. Choose what works for you.
Free Version
Supported
Free Trial
Supported
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Pricing
$36 per finished hour
Free Version
Supported
Free Trial
Not Supported
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Reviews/
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Reviews/
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Training
Documentation
Supported
Webinars
Supported
Live Online
Supported
In Person
Supported
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Company InformationReMasterMedia
Founded: 2014
United States
www.remastermedia.com
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Company Informationchapterpass
Founded: 2026
Italy
chapterpass.com
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Alternatives |
Alternatives |
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Categories |
Categories |
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Audio Editing Features
Audio Effects
Supported
Batch Processing
Supported
Export Audio (Multiple File Types)
Supported
Record Live Audio
Not Supported
Record Multiple Simultaneous Tracks
Not Supported
Scrub, Search, Bookmark
Not Supported
Sound Editing Tools
Supported
Spectral Analysis / FFT
Not Supported
Speech Synthesis (TTS)
Not Supported
Swappable Patches
Not Supported
Virtual Instruments
Not Supported
Virtual Mixing
Not Supported
Voice Changer
Not Supported
Content Creation Features
Advertising Content Creation
Not Supported
Case Study Creation
Not Supported
Collaboration Tools
Not Supported
Content Calendar
Not Supported
Content Creator Marketplace
Not Supported
Content Curation
Not Supported
Content Planning
Not Supported
Content Topic Research
Not Supported
Create Reports
Not Supported
Marketing Content Creation
Supported
Quiz Creation
Not Supported
Sales Content Creation
Not Supported
Template Creation
Not Supported
User-Generated Content
Not Supported
Video Content Creation
Supported
Visual Content Creation
Not Supported
Written Content Creation
Not Supported
Podcast Features
Audio Editing Tools
Supported
Audio Recording
Not Supported
Audio to Text Transcription
Not Supported
Brand Safety
Not Supported
Create Cover Art
Not Supported
Distribution Tools
Not Supported
Import / Export
Supported
Live Broadcasting
Not Supported
Market Intelligence
Not Supported
Monetization / Advertising Management
Not Supported
Podcast Web Hosting
Not Supported
Reporting / Analytics
Not Supported
Sounds Effects / Music
Supported
Subscriber Management
Not Supported
Supports Multiple Hosts/Guests
Not Supported
Video Support
Not Supported
Video Editing Features
3D Video Editing
Not Supported
Audio Tools
Supported
Brand Overlay
Not Supported
Collaboration
Not Supported
Media Library
Not Supported
Social Sharing
Not Supported
Speed Adjustment
Not Supported
Split / Merge
Not Supported
Supports HD Resolution
Supported
Text Overlay
Not Supported
Video Capture
Not Supported
Video Stabilization
Not Supported
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Integrations
No info available.
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Integrations
No info available.
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