Patent ID: 11914157
Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
Field: Computer technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 8:
9. A method, comprising:
receiving input sound to be played from a head mounted display device;
determining, based on the input sound, an amplitude of a component of the input sound to be played by one of a set of speakers;
determining, based on the amplitude, an air column length for playback of the component;
selecting, based on the input sound and the air column length, a speaker of the set of speakers to emit the component;
controlling, based on the selected speakers and the air column lengths, an actuation state for each of a set of valves within speaker tubes to control a selected air column length of each of the selected speakers; and
causing the selected speakers to emit sound based on the input sound.