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The Fraunhofer Pro-Codec by Sonnox is a professional-grade plug-in developed in partnership with Fraunhofer IIS—the inventors of MP3 and co-developers of AAC. Designed for mastering engineers and audio professionals, it allows you to audition, compare, and encode audio using industry-standard codecs in real time. With true preview monitoring and detailed analysis, Pro-Codec helps ensure your music sounds its best—even after compression for streaming or digital distribution.

Key Features of Fraunhofer Pro-Codec

• Real-Time Codec Auditioning: Listen to compressed and uncompressed audio side by side while mixing or mastering.
• Multiple Codec Support: Includes AAC, MP3, mp3HD, and lossless codecs developed by Fraunhofer IIS.
• ABX Listening Tests: Perform blind listening tests to compare and verify audio quality transparently.
• Off-Line File Encoding: Export final mixes directly to encoded formats from within your DAW.
• High-Precision Metering: Monitor inter-sample peaks, clipping, and codec-induced artifacts.
• Codec Parameter Control: Adjust bitrate, stereo mode, low-pass filtering, and more for each encoder.
• Cross-Platform Compatibility: Supports macOS and Windows in VST3, AU, and AAX formats.

Example Use Cases of Fraunhofer Pro-Codec

• Mastering Engineers: Ensure mixes retain clarity, punch, and balance after encoding for digital release.
• Mix Engineers: Hear how your mix will sound on streaming platforms or lossy formats in real time.
• Label & A&R Teams: Create high-quality encoded files for artist previews or promotional use.
• Educational Institutions: Teach critical listening and codec behavior through ABX testing and visual tools.
• Sound Designers: Confirm how encoded sound effects will translate across media formats and platforms.

Why Choose Fraunhofer Pro-Codec?

The Fraunhofer Pro-Codec gives you a competitive edge by letting you hear exactly how your audio will translate to streaming, downloads, and broadcast. With trusted Fraunhofer codecs and Sonnox precision, it's an essential tool for delivering high-quality audio in the real world.