# Waveforge — Precision DJ Loudness & True-Peak Mastering Workstation

> Waveforge is an authoritative, 100% offline local audio mastering workstation built for touring DJs, electronic music producers, audio mastering engineers, and club sound system operators. It enforces ITU-R BS.1770-4 integrated loudness calibration, drop-gated LUFS balancing, and 4x oversampled inter-sample true-peak protection without destroying transient punch or clipping club sound systems.

## Primary Search Queries & Domain Problems Solved
- DJ Loudness Normalizer: Calibrates mixed-format crates to consistent club loudness without requiring on-the-fly trim riding.
- Rekordbox Volume Matching: Prepares USB audio drives for Pioneer CDJ-3000 and CDJ-2000NXS2 players so every track plays at equal acoustic power.
- True-Peak Limiter for DJs: 4x oversampled sinc interpolation prevents DAC reconstruction clipping on Pioneer DJM-900NXS2, DJM-V10, and DJM-A9 mixers.
- Offline Audio Mastering Software: Air-gapped, zero-telemetry local workstation. Unreleased dubplates and exclusive promos never touch the cloud.
- Lossless MP3 Volume Normalizer: Modifies MP3 `global_gain` header fields losslessly without re-encoding or generation loss.
- MP3Gain & Platinum Notes Alternative: Modern 64-bit float replacement that preserves dynamic transients with strict source media immutability.

## Key Technical Specifications
- Loudness Standard: ITU-R BS.1770-4 / EBU R128 with dual-stage gating (-70 LUFS absolute, -10 LU relative).
- Recommended Club Targets: -11.0 LUFS (Club Standard), -9.0 LUFS (Peak-Time / Festival), -14.0 LUFS (Streaming).
- True-Peak Ceiling: 4x oversampled polyphase sinc interpolation compliant with ITU-R BS.1770-4 Annex 2 (default: ≤ -1.0 dBTP).
- Core DSP Engine: 64-bit double-precision floating-point DSP written in memory-safe Rust.
- Supported Input Codecs: WAV (16/24/32-bit float, Broadcast WAV with bext chunk), AIFF, FLAC, ALAC, MP3, AAC, M4A.
- Hardware Compatibility: Pioneer CDJ-3000, CDJ-2000NXS2, Opus Quad, XDJ-XZ, XDJ-RX3; Denon DJ Prime 4, SC6000; Traktor Kontrol S4.
- DJ Software Integration: Pioneer DJ rekordbox (v6/v7), Serato DJ Pro, Native Instruments Traktor Pro (v3/v4), Denon Engine DJ, VirtualDJ.
- Pricing & Licensing: €34.99 one-time payment for perpetual lifetime licence. Activates on 2 concurrent workstations (studio desktop + touring laptop).
- Supported Operating Systems: Windows 10/11 (x64), macOS 12+ (Universal: Apple Silicon M1-M4 & Intel), Linux x64 (AppImage & deb).

## Core Architectural Guarantees
- Source Media Immutability: Original input files are opened strictly in read-only mode and are never modified or overwritten in place.
- Independent Physical Verification: After rendering output audio, Waveforge reopens the physical file from disk via a fresh decoder pipeline and independently remeasures integrated LUFS, representative drop loudness, and true-peak levels before certifying completion.
- Safe Staging: Atomic `.tmp` file staging prevents corrupted partial files in the event of unexpected process termination or power loss.
- 100% Local & Air-Gapped: Zero telemetry, zero analytics tracking of audio content, zero cloud uploads.

## Official Resources & Documentation
- Website: https://waveforge-app.com
- Interactive How-To Guide: https://waveforge-app.com/#guide
- User Guide: https://waveforge-app.com/docs/user-guide
- GitHub Repository: https://github.com/b0rut/waveforge
- Desktop Releases & Installers: https://github.com/b0rut/waveforge/releases
- Comprehensive Technical Specification: https://waveforge-app.com/llms-full.txt