CPC G06F 3/165 (2013.01) [G06F 3/167 (2013.01); G10L 25/21 (2013.01); G10L 25/51 (2013.01); H04R 1/025 (2013.01); H04R 1/04 (2013.01); H04R 1/2876 (2013.01); H04R 1/406 (2013.01); H04R 3/005 (2013.01); H04R 3/04 (2013.01)] | 18 Claims |
1. Electrical equipment comprising:
a housing having a hole formed therein;
a microphone positioned inside the housing and in the proximity of the hole;
a loudspeaker;
emitter means arranged to emit an emitted detection sound signal via the loudspeaker;
processor means arranged to acquire a received detection sound signal via the microphone, to detect in real time from the received detection sound signal whether a user's finger is or is not positioned on or in the immediate proximity of the hole, and if a finger is positioned on or in the immediate proximity of the hole to cause a predetermined action to be performed,
wherein the processor means are arranged to implement a bandpass filter around a frequency of the emitted detection sound signal.
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