Deep Dive: Audio Bus Architecture
Centralizing modem, line, backend, and peripheral audio in a single bus system, after a demo where the volume knob only worked on half the sounds.
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6 articles tagged with "audio"
Deep Dive: Building a Canada Goose Simulator
A deadpan text adventure about mild chaos, built on a time budget: 79 tests, procedural honk audio, and a migration ending instead of a game over screen.
CC-40 Completion and IVR Launch
Shipping the TI CC-40 backend with authentic CALL commands and audio, plus a full IVR phone tree system.
Storage Peripherals and Audio Realism
Floppy, hard drive, and cassette peripherals with Kansas City Standard encoding, plus a peripheral audio bus that makes the machine feel physical.
Deep Dive: Bell 212A and V.32bis Handshakes
Simulating Bell 212A and V.32bis handshakes: phase modulation, training sweeps, and why the negotiation audio has the shape it does.
Deep Dive: Bell 103 Audio Modem and FSK Implementation
Implementing the 1962 modem standard behind 300 baud dialup: FSK modulation, Goertzel demodulation, and the two-band split that makes full duplex work.