PixiJS Sound v6.0.1 — WebAudio API playback library with filters for PixiJS v8. Use when working with @pixi/sound, adding audio to PixiJS projects, playing sound effects, background music, audio sprites, or applying audio filters (reverb, distortion, equalizer, stereo pan, telephone, mono, stream). Covers SoundLibrary singleton, Sound/IMediaInstance lifecycle, sprite regions, per-instance control, global volume/mute/pause, PIXI.Assets integration, and WebAudio vs HTMLAudio legacy fallback.