Patent ID: 11937045
Assignee: nan
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H  G | IPC H

Claim 0:
1. An audio image control method for controlling localization of an audio image in a space between a headphone/speaker and an auricle of a user using the headphone/speaker, the audio image control method comprising:
surrounding the auricle by an earpad of the headphone/speaker;
radiating a sound from a diaphragm as an acoustic radiation surface of the headphone/speaker;
insulating a rearward sound radiated toward the auricle from the diaphragm at a rear of the auricle and reflecting, by a rear insulating plate, the rearward sound back toward a front of the auricle, wherein
the front of the auricle is defined as a side with a face of the user, and
the rear insulating plate is disposed within an inner periphery of the earpad at a first position between the rear of the auricle and the diaphragm, inclined with respect to the diaphragm, and configured to reflect the rearward sound toward the front of the auricle; and

reflecting, by a reflecting plate, the reflected rearward sound reflected by the rear insulating plate to an external acoustic meatus of the auricle, wherein
the reflecting plate is disposed within the inner periphery of the earpad at a second position between the front of the auricle and the diaphragm, and configured to reflect the reflected rearward sound reflected by the rear insulating plate to the external acoustic meatus.