# waveAlign > Professional audio normalization software for DJs. Consistent loudness across your entire music library without compromising sound quality or metadata. waveAlign is a specialized tool that normalizes tracks to consistent perceived loudness using industry-standard LUFS (BS1770). Built for professional DJs who demand reliable, consistent performance from their music library. ## Product Information - [Homepage](https://wavealign.app): Complete product overview, features, and pricing - [Download](https://wavealign.app/download): Installers for macOS and Windows - [Privacy Policy](https://wavealign.app/privacy): Data handling and privacy practices - [Terms of Service](https://wavealign.app/terms): Usage terms and conditions ## Blog & Resources - [Blog](https://wavealign.app/blog): Latest updates, tutorials, and industry insights about audio normalization ### Featured Articles - [MP3Gain vs waveAlign](https://wavealign.app/blog/wavealign-vs-mp3gain): MP3Gain made lossless MP3 volume changes famous. See how it compares with waveAlign for DJs: loudness measurement, limiting, AAC and macOS. - [FLAC and Rekordbox: Why You Must Re-Analyse After Processing](https://wavealign.app/blog/flac-files-and-rekordbox): Processing .flac files may lead to issues when playing them back on CDJs. Here 's what you should know. - [MP3 Bitrate for DJs: Why 320 kbps Is the Only Safe Choice](https://wavealign.app/blog/mp3-bitrate-for-djs): What mp3 bitrate does to your tracks, and why 320 kbps is non-negotiable. - [E-8305 Unsupported File Format: Every Cause and How to Fix It](https://wavealign.app/blog/e-8305-unsupported-file-format-fix): Every cause of the Pioneer E-8305 error and the ffmpeg command to fix each one. - [Platinum Notes vs Wavealign](https://wavealign.app/blog/wavealign-vs-platinum-notes): Platinum Notes does many things; waveAlign only does one. See how the two DJ-tools compare and which is the right fit your you. - [rekordbox Auto Gain vs waveAlign](https://wavealign.app/blog/wavealign-vs-rekordbox-auto-gain): rekordbox Auto Gain evens loudness inside rekordbox, but not on CDJs, USB or standalone gear. See where it fails and how waveAlign fixes it. - [Pioneer Mixer Isolator vs EQ Mode: What's Actually Different](https://wavealign.app/blog/pioneer-mixer-isolator-vs-eq-mode): The technical difference between Pioneer's two EQ modes explained. - [How to Format Your USB for Rekordbox and CDJs (Mac & Windows)](https://wavealign.app/blog/how-to-format-usb-rekordbox): Wrong USB & your tracks won't load: Here's the right format for Mac and Windows. - [Best Audio Format for DJs: The Definitive Tier List](https://wavealign.app/blog/best-audio-format-for-djs-tier-list): Find out which DJ audio format wins on compatibility, quality, and workflow. - [The Xone Bass Boost: We Tested the Myth So You Don't Have To](https://wavealign.app/blog/xone-bass-boost): Tested: the Xone HPF resonance bass boost on the 92 and 96. - [How to set gain staging on Pioneer mixers?](https://wavealign.app/blog/pioneer-dj-mixer-gain-staging-headroom): We tested a Pioneer mixer to find the exact clipping threshold. - [What is loudness?](https://wavealign.app/blog/what-is-loudness): How do we perceive and measure sound? And how to utilize that knowledge as DJs?! - [How to play with waveAlign](https://wavealign.app/blog/how-to-play-with-wave-align): Learn about playing with a normalized track library. (Pro tip: it's great!) - [WaveAlign Quick Start Guide](https://wavealign.app/blog/wave-align-quick-start-guide): Normalize your DJ track library's audio easily with waveAlign. Learn the basics! - [The Loudness War: Does it still matter for DJs?](https://wavealign.app/blog/the-loudness-war-does-it-still-matter-for-djs): How an invisible audio war from decades past still sabotages DJ sets today ## Key Features & Benefits - **LUFS Normalization**: Uses broadcast industry standard (BS1770) for perceived loudness measurement - **Audio Format Support**: MP3, AAC/M4A, WAV, AIFF and FLAC - **DJ Software Integration**: Works seamlessly with rekordbox, Serato DJ Pro, Traktor Pro, Engine DJ, VirtualDJ - **Lossless Where Possible**: MP3 and AAC files that only need a gain change are adjusted in place without re-encoding - **Built-in Limiter**: Highly dynamic tracks are brought up to the same loudness instead of being left quieter - **Non-Destructive Processing**: Preserves original dynamics, transients, and metadata - **Metadata Preservation**: Cue points, tags, waveform grids, and BPM data remain intact - **Professional Performance**: Eliminates unexpected volume changes during live sets ## Technical Specifications - **Processing Standard**: LUFS (Loudness Units relative to Full Scale) measured to ITU-R BS.1770, using short-term (LUFS-S) analysis so drop-driven club tracks are matched on their loudest sustained section - **Audio Quality**: Preserves original dynamics; a transparent limiter is applied only where a track cannot otherwise reach the target loudness - **Batch Processing**: Efficiently process entire music libraries - **Compatibility**: All major DJ software platforms and audio formats ## Use Cases - **Live DJ Performance**: Consistent levels for seamless mixing without constant gain adjustments - **Radio & Podcast Production**: Professional broadcast loudness standards - **Music Library Management**: Standardized reference levels for better organization - **Audio Archival**: Consistent loudness standards for music collection management