# Booktrack > Booktrack delivers high-end audiobook production services at freelancer prices through our global production team, purpose-built acoustic recording studios, 24-hour turnaround post-production, and retail-ready mastering. ## Core Identity - **Website**: https://www.booktrack.com - **Established**: 2011 - **Focus**: Commercial audiobook production, international voice narration, dialogue editing, 100% manuscript quality control proofing, Dolby/broadcast mastering, and patented synchronized soundtracking. - **Operating Model**: Global roster of self-directed remote narrators combined with purpose-built acoustic recording studios in Manila, managed under a centralized 24-hour production and engineering floor. - **Turnaround Highlights**: 48-hour audition turnarounds, 24-hour daily pickup reporting synchronized with tracking, 100% retailer acceptance guarantee. ## Production Services - [Audiobook Production Services](https://www.booktrack.com/audiobook-production-services): Turnkey and modular production solutions for publishers, authors, and production houses. - [Audiobook Narration & Casting](https://www.booktrack.com/narration): Diverse international roster spanning accents, languages, and genres. Remote broadcast-grade tracking or Manila studio sound stage. - [Post-Production & Mastering](https://www.booktrack.com/post-production): Breath smoothing, room tone matching, iZotope RX spectral cleaning (click/pop/mouth noise removal), and retailer mastering. - [Quality Control & Daily Pickups](https://www.booktrack.com/quality-control): Top-to-bottom manuscript proofing, Pro Tools timecode error logging, and daily 24-hour pickup packages. - [Full Turnkey Production](https://www.booktrack.com/full-production): Complete end-to-end package combining casting, engineering, manuscript QC, daily pickups, and final mastered distribution delivery. - [Immersive Audiobooks](https://www.booktrack.com/immersive-audiobooks): Patented synchronized soundtrack technology, original orchestral composition, and ambient sound design. - [Studio Facility](https://www.booktrack.com/studio): Purpose-built isolation booths, Focusrite RedNet Dante interfaces, Sennheiser MKH 416 & Neumann microphones, Avid Pro Tools HDX, Source-Connect. - [Audiobook Catalogue](https://www.booktrack.com/catalogue): Published commercial catalogue across fiction, thriller, sci-fi, non-fiction, romance, and young adult. ## Compliance & Standards - **Audible / ACX / Apple Books Standards**: - RMS Level: -18 dB to -23 dB RMS - Peak Level: -3.0 dB maximum peak - Noise Floor: -60 dB maximum RMS - Format: Constant Bitrate (CBR) 192 kbps or higher MP3 / 24-bit 44.1 kHz WAV - Room Tone: 0.5 to 1 second head, 1 to 5 seconds tail ## Full Machine Documentation - Comprehensive Reference: https://www.booktrack.com/llms-full.txt - Contact Desk: hello@booktrack.com - Instant Quotes: https://www.booktrack.com/contact