The ALC269Q-VC3-GR is a Cortina-made voice codec chip. It is used in a variety of voice-related applications and is equipped with several advanced features. It supports multiple communication standards including G.723.1, G.729A/B, G.726, G.711, and G.722C. The chip also includes an integrated acoustic echo canceller, a noise suppressor, and a high-performance DSP subsystem. Furthermore, the ALC269Q-VC3-GR also features integrated PCM interfaces, a MIC interface, and a variety of Serial Audio Interfaces.