# Yamaha YMZ280B (PCMD8) 8-channel PCM/ADPCM sample-based sound chip designed for use with arcade machines. it lived throughout mid to late 90s. it has 16-level stereo panning, up to 16-bit PCM and up to 16MB of external PCM data. ## effects none so far. ## info this chip uses the [YMZ280B](../4-instrument/ymz280b.md) instrument editor.