Overview
Podcastle (recently rebranded as Async) is an AI-powered audio and video creation platform designed for podcasters, content creators, educators, and businesses. It simplifies the entire creation workflow—from high-quality studio recording and multitrack editing to AI noise cancellation, automated transcription, and voice cloning—allowing users to produce professional-grade media content directly from their browser.
Key Features
- AI Audio Enhancement: One-click background noise removal, automatic silence deletion, and audio leveling for studio-quality output.
- Multitrack Recording & Editing: Record high-definition audio and video remotely with guests and edit multitrack recordings effortlessly.
- Automated Transcription: Transcribe speech to text with high accuracy to enable text-based video and audio editing.
- AI Voice Models & Text-to-Speech: Generate human-like voiceovers or clone your own voice using low-latency AI speech technology.
- Royalty-Free Audio Library: Access thousands of royalty-free background tracks, sound effects, and music clips for podcasts and videos.
Use Cases
- Podcast Production: Record remote interviews, remove filler words automatically, and publish polished episodes faster.
- Video Content Creation: Create engaging video content and social clips using AI-assisted editing tools.
- Corporate & Educational Media: Produce consistent internal communications, video presentations, and training materials without traditional studio overhead.




