Open-source audio transcoding proxy. A signed URL describes the variant: format, bitrate, trim, loudness, waveform peaks. Rendered on demand, then cached.https://audioproxy.dev/https://audioproxy.dev/blog/audio-previews-in-rails-without-a-job-queue/https://audioproxy.dev/blog/audio-previews-in-rails-without-a-job-queue/Turning ActiveStorage attachments into signed, on-demand audio variants: setup, the view helpers, waveform peaks, expiring links, and what the first request actually costs.Fri, 18 Sep 2026 00:00:00 GMThttps://audioproxy.dev/blog/audioproxy-simple-audio-variants/https://audioproxy.dev/blog/audioproxy-simple-audio-variants/Your app has audio and now it needs variants: previews, waveforms, transcodes. The usual answer is a media pipeline. There is another one.Fri, 11 Sep 2026 00:00:00 GMT