公开(公告)号：US20210014615A1

公开(公告)日：2021-01-14

申请号：US16792825

申请日：2020-02-17

Applicant: Dolby Laboratories Licensing Corporation

Inventor： Remi S. AUDFRAY ,  Nicolas R. TSINGOS ,  Pradeep Kumar GOVINDARAJU

IPC: H04R5/04 ,  H04R5/033 ,  H04S7/00 ,  H04R3/12

Abstract: Some disclosed methods may involve receiving audio reproduction data and determining, based on the audio reproduction data, a sound source location at which a sound is to be rendered. A near-field gain and a far-field gain may be based, at least in part, on a sound source distance between the sound source location and a reproduction environment location. Room speaker feed signals may be based, at least in part, on room speaker positions, the sound source location and the far-field gain. Near-field speaker feed signals may be based, at least in part, on the near-field gain, the sound source location and a position of near-field speakers.

公开(公告)号：US20190230436A1

公开(公告)日：2019-07-25

申请号：US16337923

申请日：2017-09-28

Applicant: Dolby Laboratories Licensing Corporation

Inventor： Nicolas R. TSINGOS ,  Pradeep Kumar GOVINDARAJU

IPC: H04R3/00 ,  H04R1/40 ,  G10L25/18

CPC classification number: H04R3/005 ,  G01S5/20 ,  G10L25/18 ,  H04R1/406 ,  H04R2201/401 ,  H04R2430/21 ,  H04S2400/11 ,  H04S2400/15 ,  H04S2420/11

Abstract: The present document describes a method (700) for determining the position of at least one audio source (200). The method (700) includes capturing (701) first and second microphone signals at two or more microphone arrays (210, 220, 230), wherein the two or more microphone arrays (210, 220, 230) are placed at different positions. The two or more microphone arrays (210, 220, 230) each comprise at least a first microphone capsule to capture a first microphone signal and a second microphone capsule to capture a second microphone signal, wherein the first and second microphone capsules have differently oriented spatial directivities. Furthermore, the method (700) comprises determining (702), for each microphone array (210, 220, 230) and based on the respective first and second microphone signals, an incident direction (211, 221, 231) of at least one audio source (200) at the respective microphone array (210, 220, 230). In addition, the method (700) comprises determining (703) the position of the audio source (200) based on the incident directions (211, 221, 231) at the two or more microphone arrays (210, 220, 230).

公开(公告)号：US20190246209A1

公开(公告)日：2019-08-08

申请号：US16270544

申请日：2019-02-07

Applicant: Dolby Laboratories Licensing Corporation

Inventor： Remi S. AUDFRAY ,  Nicolas R. TSINGOS ,  Pradeep Kumar GOVINDARAJU

IPC: H04R5/04 ,  H04R3/12 ,  H04S7/00 ,  H04R5/033

Abstract: Some disclosed methods may involve receiving audio reproduction data and determining, based on the audio reproduction data, a sound source location at which a sound is to be rendered. A near-field gain and a far-field gain may be based, at least in part, on a sound source distance between the sound source location and a reproduction environment location. Room speaker feed signals may be based, at least in part, on room speaker positions, the sound source location and the far-field gain. Near-field speaker feed signals may be based, at least in part, on the near-field gain, the sound source location and a position of near-field speakers.