# TravSonic

> Human-driven audiobook post-production — narration editing, proofing & QC, and mastering to ACX/Audible spec, billed per finished hour.

Source: https://selfpublishingdirectory.com/audiobook/travsonic
Website: https://travsonic.com
Category: Audiobook Production (https://selfpublishingdirectory.com/audiobook)
Pricing: paid — $150
AI-powered: no
Tags: proofing, qc, post-production, mastering, editing, acx, per-finished-hour
Last verified: 2026-07-01
Best For: Authors and narrators who want a single vendor to edit, proof, and master finished narration to ACX/Audible technical spec
Narration Type: human, ai
Royalty Rate: 
Service Type: proofing-qc

TravSonic is an audiobook post-production studio that bundles narration editing, human proof-listening and QC, and mastering into a single per-finished-hour service. It takes raw or rough-cut narration and delivers files that meet ACX and Audible technical requirements.

- **Best for:** Authors and independent narrators who want one vendor to handle editing, proofing, and mastering rather than stitching together separate freelancers
- **Key features:** Word-for-word script verification, performance and structural review, audio-artifact cleanup, and a proprietary automated audit engine for profanity and metadata checks
- **Pricing:** From $149.99 per finished hour for the full editing-plus-proofing-plus-mastering package; optional add-ons ($45–$145) cover extras like music licensing and ACX upload assistance
- **Turnaround:** 4–20 business days depending on word count, starting once files are received and the project is confirmed
- **Why authors choose it:** Combines a human-driven deep-dive proof with technical compliance mastering, so the finished audio is submission-ready in one pass