Performance detecting method, device and system and mobile terminal

The invention provides a performance detecting method, device and system and a mobile terminal. The performance detecting method comprises: transforming an inductance value generated by sound processing by a sound processing device into a frequency value by using a conversion circuit; and according to the frequency value, determining the performance of the sound processing device. Therefore, a problem of poor accuracy in performance detection of the sound processing device of the mobile terminal according to the related technologies is solved. 本发明提供了种性能检测方法、装置及系统和移动终端。该性能检测方法包括：利用转换电路将声音处理设备对声音处理时产生的电感量转换为频率值；根据频率值确定声音处理设备的性能。通过本发明，解决了相关技术中对移动终端的声音处理设备的性能检测的精度较差的问题。