Two prominent methods exist for transmitting digital audio signals: a serial audio interface and an enhanced audio return channel over a specific type of cable. The former offers a direct point-to-point connection optimized for high-resolution audio, bypassing some of the processing inherent in other digital interfaces. The latter, integrated into modern displays and audio receivers, leverages the ubiquitous high-definition multimedia interface cable to send audio upstream from the display to the receiver.
The serial audio interface aims to deliver pristine audio quality by minimizing jitter and signal degradation. Its direct connection provides a cleaner pathway for audio data, particularly beneficial for audiophiles and professional audio applications where accuracy is paramount. Conversely, the enhanced audio return channel offers convenience and streamlined connectivity, allowing a single connection between a television and a sound system for both audio and video signals. Its implementation simplifies setups and reduces cable clutter, a significant advantage for typical home theater configurations.
