Echo · Spike 1A rig

net … mic … mime … … PWA …

Event timeline

Last recording

— none yet —

Last STT result

— none yet —

Environment

MediaRecorder MIME matrix

Capability checks

Last error

— none —

Artifacts

Saves: env snapshot + full event timeline + all recording blobs (base64) + STT transcripts.

Worker /health

— no results yet —

What this measures (Spike 1B)

Round-trip latency from this device to worker.echo.pages.dev/health. Run on each network you'll use: home Wi-Fi, 4G hotspot. The 50-sample auto run produces a latency distribution (p50/p95/max + error count).