| Sub‑system | Function | Tech Stack | |------------|----------|------------| | | HTTP/2, gRPC, WebRTC, SRT endpoints; authentication via JWT/OAuth2. | Go + gRPC‑gateway, NGINX RTMP module | | Transcoder | Adaptive‑bitrate (ABR) ladder: 8K‑120 fps → 4K‑60 fps → 1080p‑30 fps. Uses “min‑full” mode: encode a lossless base layer + scalable enhancement layers . | FFmpeg‑NVENC/AMD VCE + SVT‑AV1, x265 with lossless‑core | | Clip Engine | Auto‑trim to 15.009 s (configurable). Handles overlapping events, multi‑camera stitching. | Rust + Tokio async; time‑code aware buffering | | AI Enrichment | Scene classification, OCR, face‑blur, automatic captions, key‑frame extraction. | TensorRT, OpenVINO, Whisper‑large | | Metadata Service | Generates JSON‑LD, MPEG‑DASH MPD, HLS playlist with full‑resolution track and min track. | Node.js + DynamoDB (or Cosmos) | | Archival Store | Immutable, encrypted, versioned. | AWS S3 Glacier Deep Archive / Azure Blob Immutable |
| Token | Meaning | |-------|---------| | | “Sonic‑One” – a reference to the single‑stream, low‑latency pipeline. | | 340 | Maximum throughput of 340 Mbps sustained raw video. | | rmj | “Real‑time Media Juggler” – the core processing engine. | | avhd | “Adaptive Video‑High‑Definition” – dynamic resolution scaling. | | today | Real‑time “live‑now” delivery. | | 015909 | Default clip length: 15 seconds (0 : 15 : 09 ≈ 15 s) – configurable in 0.1 s steps. | | min | Minimum‑size mode – aggressive compression while preserving full‑resolution detail. | | full | Full‑resolution output (up to 8K @ 120 fps). | sone340rmjavhdtoday015909 min full
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