Auphonic

Auphonic is an automatic audio post-production web service. It is designed for users producing podcasts, educational videos, audiobooks, and radio broadcasts. The service provides a set of tools to process audio, including noise and reverb reduction, an intelligent leveler to balance levels between speakers, music, and speech, and filtering with AutoEQ and broadband equalization (BWE) to address frequencies and issues like sibilance and plosives. It can automatically cut filler words, coughs, and silence in multiple languages. For multitrack projects, the service offers automatic ducking, noise gates, and mic bleed removal. Users can define target loudness, true peak limits, and MaxLRA for compliance with audio specifications. Auphonic includes multilingual speech-to-text with auto-generated shownotes and chapters, and supports video output with chapters and waveform audiograms. The service offers automated workflows and API integrations, including automatic content deployment to platforms like YouTube, Libsyn, and Soundcloud. It also provides watch folders, an API, a command-line interface (CLI), and a Zapier interface for integration into existing workflows. Auphonic offers a free tier covering two hours of audio per month.