公开(公告)号：US10887717B2

公开(公告)日：2021-01-05

申请号：US16509257

申请日：2019-07-11

Applicant: Sony Interactive Entertainment Inc.

Inventor： Scott Wardle ,  Robert Pullman

IPC: H04S7/00 ,  H04R5/02 ,  H04R5/04

Abstract: A method for simulation of movement of a sound source comprising convolving a source wave form with at least an Head Related Transfer Function (HRTF) to generate a point sound source at a simulated first distance from the listener, generating a spherical harmonic representation of the source waveform at a simulated second distance from the listener, crossfading the sound level of the point sound source and the spherical harmonic representation of the source waveform at a simulated second distance from the listener and driving a speaker with the cross-faded spherical harmonic representation of the source waveform and the point sound source.

公开(公告)号：US20200021939A1

公开(公告)日：2020-01-16

申请号：US16509257

申请日：2019-07-11

Applicant: Sony Interactive Entertainment Inc.

Inventor： Jeppe Oland ,  Robert Pullman

IPC: H04S7/00 ,  H04R5/02 ,  H04R5/04

Abstract: A method for simulation of movement of a sound source comprising convolving a source wave form with at least an Head Related Transfer Function (HRTF) to generate a point sound source at a simulated first distance from the listener, generating a spherical harmonic representation of the source waveform at a simulated second distance from the listener, crossfading the sound level of the point sound source and the spherical harmonic representation of the source waveform at a simulated second distance from the listener and driving a speaker with the cross-faded spherical harmonic representation of the source waveform and the point sound source.

公开(公告)号：US11388540B2

公开(公告)日：2022-07-12

申请号：US17140961

申请日：2021-01-04

Applicant: Sony Interactive Entertainment Inc.

Inventor： Scott Wardle ,  Robert Pullman

IPC: H04S7/00 ,  H04R5/02 ,  H04R5/04

Abstract: Movement of a sound source toward or away from a listener may be simulated by crossfading a sound level of a point sound source signal representation of a source waveform and a spherical harmonic representation of the source waveform as a simulated distance of a listener from a sound source changes to generate a cross-faded waveform. A speaker may be driven with the cross-faded waveform.

公开(公告)号：US20210127222A1

公开(公告)日：2021-04-29

申请号：US17140961

申请日：2021-01-04

Applicant: Sony Interactive Entertainment Inc.

Inventor： Scott Wardle ,  Robert Pullman

IPC: H04S7/00 ,  H04R5/02 ,  H04R5/04

Abstract: Movement of a sound source toward or away from a listener may be simulated by crossfading a sound level of a point sound source signal representation of a source waveform and a spherical harmonic representation of the source waveform as a simulated distance of a listener from a sound source changes to generate a cross-faded waveform. A speaker may be driven with the cross-faded waveform.