Deep Dive: Audio Bus Architecture
Centralising modem, line, backend, and peripheral audio in a single bus system, and why fewer hops beat fancy decoupling.
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audio
6 articles tagged with "audio"
Deep Dive: Building a Canada Goose Simulator
How a deadpan text adventure about mild chaos became the BBS system's most extensively tested game—79 tests, procedural honk audio, and a migration ending instead of game over.
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
When 300 baud isn't enough—simulating faster modem handshakes with phase modulation, training sweeps, and the controlled chaos of negotiation audio.
Deep Dive: Bell 103 Audio Modem and FSK Implementation
Implementing the 1962 modem standard that made 300 baud dialup possible—FSK modulation, Goertzel demodulation, and the two-band trick that keeps full‑duplex honest.