DO-RADIO Architecture

High-Reliability Indonesian & Malaysian Radio Streaming Pipeline

DO-RADIO Architecture High-Reliability Indonesian & Malaysian Radio Streaming Pipeline Mobile PWA / Web · Next.js 15 UI · Client Environment (Browser / Mobile PWA) · Standalone PWA Mobile PWA / Web Next.js 15 UI Standalone PWA Persistent Player · HTML5 Audio & State · Client Environment (Browser / Mobile PWA) · MediaSession Persistent Player HTML5 Audio & State MediaSession Web Audio Equalizer · BiquadFilter DSP · Client Environment (Browser / Mobile PWA) · DSP Presets Web Audio Equalizer BiquadFilter DSP DSP Presets Circuit Breaker · 300ms Debounce · Client Environment (Browser / Mobile PWA) · Zero UI Freeze Circuit Breaker 300ms Debounce Zero UI Freeze Stream Proxy Relay · /api/proxy · DO-RADIO Edge Service (Cloud Run / Next.js) · CORS & SSL Bypass Stream Proxy Relay /api/proxy CORS & SSL Bypass ICY Metadata Engine · /api/metadata · DO-RADIO Edge Service (Cloud Run / Next.js) · Live Song/Artist ICY Metadata Engine /api/metadata Live Song/Artist Stream Health Probe · /api/health/streams · DO-RADIO Edge Service (Cloud Run / Next.js) · Latency Monitor Stream Health Probe /api/health/streams Latency Monitor Indonesian Streams · Mustang / Jak / Prambors · Broadcaster CDNs (ID & MY) · Revma / MARI Indonesian Streams Mustang / Jak / Prambors Revma / MARI Malaysian Streams · ERA / Hitz / Suria / 988 · Broadcaster CDNs (ID & MY) · Astro / STW Malaysian Streams ERA / Hitz / Suria / 988 Astro / STW user control audio DSP safe retry HTTPS stream ICY fetch probe stream relay audio relay audio parse ICY Client Environment (Browser / Mobile PWA) DO-RADIO Edge Service (Cloud Run / Next.js) Broadcaster CDNs (ID & MY) Legend Frontend Backend Security External

Client Resilience

  • • Persistent audio playback decoupled from tab navigation
  • • Web Audio API equalizer with 4 acoustic DSP presets
  • • 300ms event loop debounce preventing browser freezes on network drops

Edge Relay & Optimization

  • • Server-side stream proxy eliminates CORS and mixed-content restrictions
  • • Custom SSL chain handling for legacy Icecast and Shoutcast servers
  • • Non-blocking ICY stream metadata extraction for live track and artist titles

Dual-Nation Streaming Network

  • • Curated Indonesian roster: Mustang 88 FM, Jak 101 FM, Prambors 102.2 FM, and more
  • • Curated Malaysian roster: ERA FM, Hitz FM, Suria FM, 988 FM, and more
  • • Dedicated to Kartika Priyambodo for reliable listening while in Kuala Lumpur