Audio function: Gracenote

The CMU supports Gracenote. Gracenote can perform updates by connecting a USB in which update information has been saved to the USB port/SD card slot hub.
NOTE:
- Music recognition technology and related data are provided by Gracenote®. Gracenote is the industry standard for music recognition technology and related content delivery. For detailed information, refer to the Website (www.gracenote.com).