Patent ID: 11881201
Assignee: SONY GROUP CORPORATION
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 3:
4. A loudspeaker apparatus, comprising:
a tactile presentation unit configured to generate vibrations, wherein the vibrations generate a sound;
an audio output unit configured to reproduce a first audio signal;
a tactile control section configured to:
receive a tactile signal for tactile presentation; and
generate, based on the tactile signal for the tactile presentation, a tactile control signal to drive the tactile presentation unit;

a cancellation signal generation section configured to:
receive the tactile signal; and
generate a second audio signal based on the tactile signal, a frequency response characteristic of the audio output unit, a frequency response characteristic of the tactile presentation unit, and a transform function from the vibration generated at the tactile presentation unit into the sound, wherein
the second audio signal includes a plurality of sound components that is in an opposite phase to the sound; and

an audio control section configured to:
receive the first audio signal and the second audio signal; and
generate, based on the first audio signal and the second audio signal, an audio control signal to drive the audio output unit.