Auphonic

Auphonic is an automatic audio post-production service used by podcasters, broadcasters, sound designers, and video editors worldwide. Built on specialized audio signal processing and machine learning algorithms, Auphonic automates complex engineering tasks like multi-track leveling, noise removal, and broadcast loudness compliance.

### Core Architecture & Capabilities - **Intelligent Leveler**: Balances volume differences between multiple speakers, music tracks, and ambient audio segments. - **Broadcast Loudness Standards**: Automatically normalizes audio to international loudness standards (EBU R128, ITU-R BS.1770, ATSC A/85, Spotify, YouTube, Apple Podcasts). - **Noise & Hum Reduction**: Uses AI filtering to remove continuous background noise, microphone hiss, air conditioning hum, and low-frequency rumble. - **Multi-Track Auto-Ducking**: Automatically lowers background music levels when a host or guest begins speaking. - **Speech-to-Text & Chapter Marks**: Generates automated transcripts, show notes, and chapter markers in multiple languages.