SIGNAL PROCESSING METHOD AND APPARATUS, AND ELECTRONIC DEVICE

Disclosed in the present application are a signal processing method and apparatus, and an electronic device, which belong to the technical field of electronic devices. The electronic device in the present application comprises: a signal modulation module for acquiring an audio signal to be output, and modulating said audio signal into an ultrasonic audio signal, wherein the ultrasonic audio signal is obtained on the basis of position information of a user relative to the electronic device, and the position information comprises at least one of an angle and a distance; and an ultrasonic audio playing module, wherein the ultrasonic audio playing module is connected to the signal modulation module and is used for playing the ultrasonic audio signal. L'invention concerne un procédé et un appareil de traitement de signal, et un dispositif électronique, qui appartiennent au domaine technique des dispositifs électroniques. Le dispositif électronique selon la présente invention comprend : un module de modulation de s