IP Library › Granted Patent US 12,726,784
Granted Patent B2
US 12,726,784 · App. 18/485,065 · Granted Sep 1, 2026

Wireless multi-channel headphone systems and methods

Inventor: Steven Beckhardt (Boston, MA)
Assignee: Sonos, Inc.
H04S7/304H04R1/1041H04R3/02H04R3/12H04R5/033H04R5/04H04S3/008H04R2420/07H04S2400/01
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 12,726,784
App. No.
18/485,065
Granted
Sep 1, 2026
Kind
B2
Abstract

Some disclosed systems and methods include a media playback system that includes a network device and a wearable playback device. The media playback system receives, via a hardware interface of the network device, multichannel audio. The media playback system determines a first position of the wearable playback device. The media playback system generates, based on the received multichannel audio and the determined first position, first audio. The media playback system causes, via the wearable playback device, playback of the generated first audio.

Claims (60)

1 . A media playback system, comprising:

a network device that comprises a hardware interface, wherein the hardware interface facilitates operably coupling the network device to a display device, wherein the network device is separate from and moveable in relation to a position of the display device;

a wearable playback device;

one or more processors; and

memory storing instructions that, when executed by the one or more processors, cause the media playback system to perform operations comprising:

receiving, via the hardware interface of the network device, multichannel audio;

determining a first position of the wearable playback device, wherein determining the first position comprises:

determining a position of the wearable playback device with respect to a position of the network device;

approximating, based on the position of the network device, the position of the display device; and

approximating, based on the position of the display device, a position of the wearable playback device with respect to the position of the display device, wherein the first position of the wearable playback device comprises the position of the wearable playback device with respect to the position of the display device;

generating, based on the received multichannel audio and the determined first position, first audio; and

causing, via the wearable playback device, playback of the generated first audio.

2 . The media playback system of claim 1 , wherein determining the first position comprises:

transmitting, via the network device, one or more acoustic signals from the network device; and

receiving, via the wearable playback device, at least one portion of the transmitted one or more acoustic signals.

3 . The media playback system of claim 2 , wherein determining the first position comprises:

determining, based on the transmitted one or more acoustic signals and the received at least one portion of the transmitted one or more acoustic signals, a time of flight between the transmitting of the one or more acoustic signals and the receiving of the at least one portion of the transmitted one or more acoustic signals.

4 . The media playback system of claim 3 , wherein determining the first position comprises determining, by the wearable playback device, the time of flight.

5 . The media playback system of claim 1 , wherein the wearable playback device is a first wearable playback device, wherein the media playback system further comprises a second wearable playback device, and wherein the operations further comprise:

determining a second position of the second wearable playback device;

generating, based on the received multichannel audio and the determined second position, second audio;

transmitting, via the network device to the second wearable playback device, the generated second audio; and

playing back, via the second wearable playback device, the generated second audio in substantial synchrony with playback of the generated first audio via the first wearable playback device.

6 . The media playback system of claim 5 , wherein the operations further comprise:

after determining the second position, determining a third position of the second wearable playback device, wherein the third position is the same as the first position of the first wearable playback device; and

playing back, via the second wearable device, the generated first audio.

7 . The media playback system of claim 1 , wherein the generated first audio corresponds to generated first wearable audio, wherein the media playback system further comprises an out-loud playback device, and wherein the operations further comprise:

operating in a first operating mode, wherein the first operating mode includes:

generating, based on the received multichannel audio, out-loud audio; and

causing, via the out-loud playback device, playback of the generated out-loud audio; and

operating in a second operating mode, wherein the second operating mode includes:

muting the out-loud playback device; and

playing back the generated first wearable audio via the wearable playback device.

8 . The media playback system of claim 7 , wherein the first operating mode comprises transmitting, via a first communication protocol, the generated out-loud audio to the out-loud playback device, and wherein the second operating mode comprises transmitting via a second communication protocol, the generated first wearable audio to the wearable playback device.

9 . The media playback system of claim 8 , wherein the first communication protocol comprises a direct WIFI connection, and wherein the second communication protocol comprises a BLUETOOTH connection.

10 . The media playback system of claim 7 , wherein the operations further comprise transitioning from the first operating mode to the second operating mode in response to a message transmitted via the wearable playback device to the network device.

11 . The media playback system of claim 1 , wherein generating the first audio comprises:

mixing two or more channels of the received multichannel audio to generate first virtual surround audio data; and

generating, based on the determined first position, first audio object data.

12 . The media playback system of claim 11 , wherein causing playback of the generated first audio comprises transmitting, via the network device to the wearable playback device, the first virtual surround audio data and the first audio object data.

13 . The media playback system of claim 1 , wherein causing playback of the generated first audio via the wearable playback device comprises transmitting, based on the determined first position, the generated first audio according to a first data rate via the network device to the wearable playback device, and wherein the operations further comprise:

after determining the first position of the wearable playback device, determining a second position of the wearable playback device, wherein the second position is different from the first position; and

transmitting, based on the determined second position, the generated first audio according to a second data rate via the network device to the wearable playback device, wherein the second data rate is different from the first data rate.

14 . The media playback system of claim 1 , wherein causing playback of the generated first audio via the wearable playback device comprises playing back the generated first audio while the wearable playback device is at the first position.

15 . The media playback system of claim 1 , wherein the wearable playback device is separate from and wirelessly connected to the network device.

16 . Non-transitory computer-readable media having stored thereon instruction code executable by one or more processors of a media playback system for causing the media playback system to perform operations comprising:

receiving, via a hardware interface of a network device of the media playback system, multichannel audio, wherein the network device is separate from and moveable in relation to a position of a display device;

determining a first position of a wearable playback device of the media playback system, wherein determining the first position comprises:

determining a position of the wearable playback device with respect to a position of the network device;

approximating, based on the position of the network device, the position of the display device; and

approximating, based on the position of the display device, a position of the wearable playback device with respect to the position of the display device, wherein the first position of the wearable playback device comprises the position of the wearable playback device with respect to the position of the display device;

generating, based on the received multichannel audio and the determined first position, first audio; and

causing the wearable playback device to playback the generated first audio.

17 . The non-transitory computer-readable media of claim 16 , wherein determining the first position comprises:

transmitting, via the network device, one or more acoustic signals from the network device; and

receiving, via the wearable playback device, at least one portion of the transmitted one or more acoustic signals.

18 . The non-transitory computer-readable media of claim 17 , wherein determining the first position comprises:

determining, based on the transmitted one or more acoustic signals and the received at least one portion of the transmitted one or more acoustic signals, a time of flight between the transmitting of the one or more acoustic signals and the receiving of the at least one portion of the transmitted one or more acoustic signals.

19 . The non-transitory computer-readable media of claim 18 , wherein determining the first position comprises determining, by the wearable playback device, the time of flight.

20 . The non-transitory computer-readable media of claim 16 , wherein the wearable playback device is separate from and wirelessly connected to the network device.

Assignments (2)
SECURITY INTEREST Recorded Jan 30, 2026
From: SONOS, INC.
To: JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 074533/0615 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 11, 2023
From: BECKHARDT, STEVEN
To: SONOS, INC.
Reel/Frame 065187/0967 →
Continuity (4)
Continuation 17516391 · Nov 1, 2021
Continuation 16415783 · May 17, 2019
Related Publication 20240137726A1 · Apr 25, 2024
Related Publication 20240236604A9 · Jul 11, 2024
References Cited (82)
US 5440644A · Farinelli et al. · 1995 [cited by applicant]
US 5761320A · Farinelli et al. · 1998 [cited by applicant]
US 5923902A · Inagaki · 1999 [cited by applicant]
US 6032202A · Lea et al. · 2000 [cited by applicant]
US 6256554B1 · DiLorenzo · 2001 [cited by applicant]
US 6404811B1 · Cvetko et al. · 2002 [cited by applicant]
US 6469633B1 · Wachter · 2002 [cited by applicant]
US 6522886B1 · Youngs et al. · 2003 [cited by applicant]
US 6611537B1 · Edens et al. · 2003 [cited by applicant]
US 6631410B1 · Kowalski et al. · 2003 [cited by applicant]
US 6757517B2 · Chang · 2004 [cited by applicant]
US 6778869B2 · Champion · 2004 [cited by applicant]
US 7130608B2 · Hollstrom et al. · 2006 [cited by applicant]
US 7130616B2 · Janik · 2006 [cited by applicant]
US 7143939B2 · Henzerling · 2006 [cited by applicant]
US 7236773B2 · Thomas · 2007 [cited by applicant]
US 7295548B2 · Blank et al. · 2007 [cited by applicant]
US 7391791B2 · Balassanian et al. · 2008 [cited by applicant]
US 7483538B2 · McCarty et al. · 2009 [cited by applicant]
US 7571014B1 · Lambourne et al. · 2009 [cited by applicant]
US 7630501B2 · Blank et al. · 2009 [cited by applicant]
US 7643894B2 · Braithwaite et al. · 2010 [cited by applicant]
US 7657910B1 · McAulay et al. · 2010 [cited by applicant]
US 7853341B2 · McCarty et al. · 2010 [cited by applicant]
US 7987294B2 · Bryce et al. · 2011 [cited by applicant]
US 8014423B2 · Thaler et al. · 2011 [cited by applicant]
US 8045952B2 · Qureshey et al. · 2011 [cited by applicant]
US 8103009B2 · McCarty et al. · 2012 [cited by applicant]
US 8234395B2 · Millington · 2012 [cited by applicant]
US 8483853B1 · Lambourne · 2013 [cited by applicant]
US 8660055B2 · Ueda et al. · 2014 [cited by applicant]
US 8942252B2 · Balassanian et al. · 2015 [cited by applicant]
US 9143595B1 · Dowd · 2015 [cited by applicant]
US 20010042107A1 · Palm · 2001 [cited by applicant]
US 20020022453A1 · Balog et al. · 2002 [cited by applicant]
US 20020026442A1 · Lipscomb et al. · 2002 [cited by applicant]
US 20020124097A1 · Isely et al. · 2002 [cited by applicant]
US 20030157951A1 · Hasty, Jr. · 2003 [cited by applicant]
US 20040024478A1 · Hans et al. · 2004 [cited by applicant]
US 20070142944A1 · Goldberg et al. · 2007 [cited by applicant]
US 20070253386A1 · Li et al. · 2007 [cited by applicant]
US 20080077261A1 · Baudino · 2008 [cited by examiner]
US 20090058611A1 · Kawamura · 2009 [cited by examiner]
US 20110150228A1 · Yoon et al. · 2011 [cited by applicant]
US 20120189140A1 · Hughes · 2012 [cited by applicant]
US 20150358754A1 · Koppens · 2015 [cited by examiner]
US 20160073215A1 · De Bruijn · 2016 [cited by examiner]
US 20160080886A1 · De Bruijn · 2016 [cited by examiner]
US 20160100253A1 · Yliaho · 2016 [cited by examiner]
US 20180279050A1 · Ryu · 2018 [cited by examiner]
US 20190014424A1 · Lesimple et al. · 2019 [cited by applicant]
US 20190174557A1 · Ueda et al. · 2019 [cited by applicant]
EP 1389853A1 · 2004 [cited by applicant]
JP 2008177893A · 2008 [cited by examiner]
WO 200153994 · 2001 [cited by applicant]
WO 2003093950A2 · 2003 [cited by applicant]
AudioTron Quick Start Guide, Version 1.0, Mar. 2001, 24 pages. [cited by applicant]
AudioTron Reference Manual, Version 3.0, May 2002, 70 pages. [cited by applicant]
AudioTron Setup Guide, Version 3.0, May 2002, 38 pages. [cited by applicant]
Bluetooth. “Specification of the Bluetooth System: The ad hoc SCATTERNET for affordable and highly functional wireless connectivity,” Core, Version 1.0 A, Jul. 26, 1999, 1068 pages. [cited by applicant]
Bluetooth. “Specification of the Bluetooth System: Wireless connections made easy,” Core, Version 1.0 B, Dec. 1, 1999, 1076 pages. [cited by applicant]
Dell, Inc. “Dell Digital Audio Receiver: Reference Guide,” Jun. 2000, 70 pages. [cited by applicant]
Dell, Inc. “Start Here,” Jun. 2000, 2 pages. [cited by applicant]
“Denon 2003-2004 Product Catalog,” Denon, 2003-2004, 44 pages. [cited by applicant]
Final Office Action mailed on Apr. 18, 2023, issued in connection with U.S. Appl. No. 17/516,391, filed Nov. 1, 2021, 23 pages. [cited by applicant]
Final Office Action mailed on May 25, 2021, issued in connection with U.S. Appl. No. 16/415,783, filed May 17, 2019, 27 pages. [cited by applicant]
Jo et al., “Synchronized One-to-many Media Streaming with Adaptive Playout Control,” Proceedings of SPIE, 2002, pp. 71-82, vol. 4861. [cited by applicant]
Jones, Stephen, “Dell Digital Audio Receiver: Digital upgrade for your analog stereo,” Analog Stereo, Jun. 24, 2000 http://www.reviewsonline.com/articles/961906864.htm retrieved Jun. 18, 2014, 2 pages. [cited by applicant]
Louderback, Jim, “Affordable Audio Receiver Furnishes Homes With MP3,” TechTV Vault. Jun. 28, 2000 retrieved Jul. 10, 2014, 2 pages. [cited by applicant]
Non-Final Office Action mailed on Dec. 3, 2020, issued in connection with U.S. Appl. No. 16/415,783, filed May 17, 2019, 18 pages. [cited by applicant]
Non-Final Office Action mailed on Nov. 7, 2022, issued in connection with U.S. Appl. No. 17/516,391, filed Nov. 1, 2021, 34 pages. [cited by applicant]
Notice of Allowance mailed Aug. 6, 2021, issued in connection with U.S. Appl. No. 16/415,783, filed May 17, 2019, 8 pages. [cited by applicant]
Notice of Allowance mailed on Sep. 7, 2023, issued in connection with U.S. Appl. No. 17/516,391, filed Nov. 1, 2021, 8 pages. [cited by applicant]
Palm, Inc., “Handbook for the Palm VII Handheld,” May 2000, 311 pages. [cited by applicant]
Restriction Requirement mailed on Mar. 20, 2020, issued in connection with U.S. Appl. No. 16/415,783, filed May 17, 2019, 9 pages. [cited by applicant]
Restriction Requirement mailed on Jul. 9, 2020, issued in connection with U.S. Appl. No. 16/415,783, filed May 17, 2019, 8 pages. [cited by applicant]
United States Patent and Trademark Office, U.S. Appl. No. 60/490,768, filed Jul. 28, 2003, entitled “Method for synchronizing audio playback between multiple networked devices,” 13 pages. [cited by applicant]
United States Patent and Trademark Office, U.S. Appl. No. 60/825,407, filed Sep. 12, 2006, entitled “Controlling and manipulating groupings in a multi-zone music or media system,” 82 pages. [cited by applicant]
UPnP; “Universal Plug and Play Device Architecture,” Jun. 8, 2000; version 1.0; Microsoft Corporation; pp. 1-54. [cited by applicant]
Yamaha DME 64 Owner's Manual; copyright 2004, 80 pages. [cited by applicant]
Yamaha DME Designer 3.5 setup manual guide; copyright 2004, 16 pages. [cited by applicant]
Yamaha DME Designer 3.5 User Manual; Copyright 2004, 507 pages. [cited by applicant]