~/talk

All your browsers are belong to me

Talkat JSConf EU 2011 · 2011-10-01..10-02· [security, web-platform, javascript]
slides:none on file

A browser-based polyphonic synth is built end-to-end in JavaScript: Web Audio-style sample generation in Firefox, event-based recording (store key events not audio), Node + Express backend, Faye pubsub and Redis for state; clock sync uses an NTP-like timestamp exchange and a server-central clock which yields hundreds of clients synced to ~1 ms in tests but still produces audible jitter and noise in large Wi‑Fi demos; the live demo mostly fails but isolated pockets succeed.

AI-written summary · about

  1. 0:00Start
  2. 0:29Audience Participation
  3. 1:08The Flaming Lips
  4. 1:26Flaming Lips
  5. 7:18How Do You Generate Sound in a Browser
  6. 8:17Amplitude Modulation
  7. 8:34Adsr Envelope
  8. 16:40Ntp the Network Time Protocol
  9. 25:01Questions
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