CastPolish v1.3 — AI Noise Reduction, In-App Installer, and Processing Logs
v1.3 brings DeepFilterNet AI noise reduction, in-app install/update buttons, a double-click macOS installer, and a processing log file saved with every job.
podcast
CastPolish Update: Tiered Noise Reduction & App Bundle Fix
CastPolish now has a tiered noise reduction dropdown — Standard (afftdn), Dynamic (noisereduce), or none — that auto-populates based on installed packages. Plus a fix for the app bundle path bug that broke the app after moving it to /Applications.
Installing CastPolish on Windows and Linux
Step-by-step install guides for Windows (using winget) and Linux (Ubuntu, Fedora, Arch), plus optional launcher scripts for both platforms.
CastPolish Update: Light/Dark Mode, Transcribe-Only, and Speaker Diarization Setup
Two new features plus a complete step-by-step guide to setting up speaker diarization with pyannote.audio and HuggingFace.
CastPolish: Free, Open-Source Audio Processing for Your Podcast
A free, local alternative to Auphonic — loudness normalization, transcription, AI shownotes, and a native Mac app. Runs entirely on your machine.