Electronic device and method for triggering function of electronic device

An electronic device comprising:

• a sound collecting unit;
• a storage unit to store reference signals, the reference signals comprising a first reference alternating portion, a reference direct portion, and a second reference alternating portion in sequence;
• and
• a processor to determine whether continuous sound signals collected by the sound collecting unit comprises a first alternating portion, a direct portion, and a second alternating portion in sequence, determine whether a first difference between durations of the reference direct portion and the direct portion falls within a first preset time range, whether a second difference between durations of the first reference alternating portion and the first alternating portion falls within a second preset time range, and whether a third difference between durations of the second reference alternating portion and the second alternating portion falls within the second preset time range, and trigger a function of the electronic device when the first difference falls within the first preset time range, and the second difference and the third difference falls within the second preset time range.

A method for triggering a function of an electronic device, the electronic device comprising a sound collecting unit, the method comprising:

• determining whether continuous sound signals collected by the sound collecting unit comprises a first alternating portion, a direct portion, and a second alternating portion in sequence;
• determining whether a first duration of the direction signals portion falls within a first preset time range, and whether a second duration of each of the first alternating portion and the second alternating portions falls within a second preset time range;
• and
• triggering a function of the electronic device when the first duration falls within the first preset time range and the second duration falls within the second preset time range.