How many audio channels can the High-Definition Multimedia Interface (HDMI) support?

High-Definition Multimedia Interface (HDMI) is a widely used interface designed to transmit high-definition video and audio. One of its key features is its ability to support multiple audio channels, which is particularly beneficial for home theater systems and professional audio environments. The correct answer, which states that HDMI can support eight audio channels, highlights this capability effectively.

HDMI supports multi-channel audio formats, including surround sound systems, where having multiple channels allows for a more immersive audio experience. This is particularly useful in configurations such as 7.1 surround sound, which consists of seven audio channels and one low-frequency effects (subwoofer) channel. Hence, the standard maximum of eight channels effectively accommodates this and other similar setups.

The variety of supported audio formats, ranging from stereo to multi-channel surround sound, is an essential aspect of HDMI's functionality. It ensures that users can enjoy high-quality audio that matches the capabilities of their video displays and audio-receiving equipment.