Atari TIA Chip
token - tia
points - Chipist
file types -
description - accepted file format - .BIN
recommended player for playback - a 2600/7800 emulator
The TIA chip is responsible for both the audio and visual graphics of the Atari 2600. On the audio side, it has 2 oscillators with 16 different types of "waveform" each. Each oscillator has 5 bit pitch depth with 32 separate values. This results in some very out of tune tonal pitches. Also, each "waveform" is tuned differently, relative to the tuning values.
Sound programming guide via Paul Slocum here