Patent ID: 8954116
Filing Date: 2015-02-10
Classification: H04M

Abstract:
1. An electronic terminal, comprising: a ringtone sound source module configured to play a ringtone; a control module configured to control the ringtone sound source module to send out a specified sound signal and control switching of ringtone channels; wherein the specified sound signal comprises a test sound signal and a prompt ringtone signal; a plurality of sound channels configured to transmit sound signals to outside of the electronic terminal; a sound collection module configured to collect an exterior sound signal; a signal processing module configured to process the collected sound signal; and a ringtone channel switch system configured to control switching of the sound channels; wherein: the control module instructs the ringtone sound source module to play a test ringtone signal, and instructs the ringtone channel switch system to switch all sound channels one by one to output the test ringtone signal, and the sound collection module collects the exterior sound signal while each channel is outputting the test ringtone signal and feeds back the exterior sound signal to the signal processing module, and the signal processing module processes the intensity of the fed-back exterior sound signal to obtain a processing result, and the control module determines an output channel of the prompt ringtone signal according to the processing result, instructs the ringtone channel switch system to switch to the determined output channel, and instructs the ringtone sound source module to play the prompt ringtone signal.