| 摘要 |
Devices and methods of generating an alert comprise receiving a broadcast radio transmission at a communication device, wherein the broadcast radio transmission comprises primary content and supplemental content having a relationship to the primary content. Further, the primary content comprises a first audio data, and the supplemental content comprises a non-audio data. The devices and methods further include detecting the receiving of the supplemental content, and generating an alert signal operable to activate an alerting device to output a non-visual notification. |
