Embeds audio watermarks into the audio stream, using Kantar Media’s SNAP technology, see kantarmedia.com for details. Norsk supports both online and offline licensing models, and the relevant license information is provided to Norsk through the AudioWatermarkConfiguration message. At runtime, notifications are returned through the stream of AudioWatermarkEvent messages, which includes Kantar event information and, for offline licenses, a notification of the number of days remaining. Note that audio watermarking introduces around 50-60ms of delay to the audio stream; Norsk will ensure that all related media streams (e.g. video) are kept in sync.