| 摘要 |
There is described a handheld device (100)comprising an acoustic receiver (110) and a user output (130), which in examples is generally shown having a baton or glowstick configuration. The receiver is configured to receive an acoustic signal, and the user output is configured to provide a visual output at the device in response to identifying one or more particular features, such as bass beats, in a received acoustic signal. In examples described, the output temporally corresponds, or matches, the occurrence of the one or more identified features in a signal. |
