| 摘要 |
Apparatus for producing sound and vibration is disclosed. The apparatus comprises an outer body having a surface for positioning against a child. It further comprises a vibration unit which is configured to vibrate in response to an electric signal and a control circuit configured to process an audio input signal to generate a first signal for supplying to an audio output device. The control circuit is also configured to generate a second signal for supplying to the vibration unit. The control circuit is configured to supply said first signal in synchronisation with said second signal in response to said audio input signal. |
