US 11,924,505 B2
Audio duplication and redirection system
Ravi Rajapakse, San Francisco, CA (US)
Assigned to Roku, Inc., San Jose, CA (US)
Filed by ROKU, INC., San Jose, CA (US)
Filed on May 5, 2022, as Appl. No. 17/737,217.
Application 17/737,217 is a continuation of application No. 16/610,265, granted, now 11,356,729, previously published as PCT/US2018/030801, filed on May 3, 2018.
Claims priority of provisional application 62/501,037, filed on May 3, 2017.
Prior Publication US 2022/0264174 A1, Aug. 18, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. H04N 21/436 (2011.01); H04N 21/439 (2011.01); H04N 21/472 (2011.01)
CPC H04N 21/436 (2013.01) [H04N 21/439 (2013.01); H04N 21/472 (2013.01)] 16 Claims
OG exemplary drawing
 
7. A system, comprising at least one processor configured to perform instructions, the instructions comprising:
determining that a media redirection hardware adapter is connected to an audio port of a host device, wherein the media redirection hardware adapter is configured to use power provided by the host device through the audio port, and wherein audio is received and transmitted exclusively through a wireless interface of the media redirection hardware adapter;
intercepting audio content from an audio source directed to the host device, wherein the audio content comprises a first set of one or more audio channels;
converting the audio content from a first proprietary audio content format of a first manufacturer to a second proprietary audio content format of a second manufacturer;
separating the converted audio content into a second set of two or more audio channels including both a first channel for a first speaker and a second channel for a second speaker, wherein the second set of two or more audio channels includes more audio channels than the first set of one or more audio channels;
determining positional audio, from the converted audio content, for both the first speaker with a first position in a location and the second speaker with a second position in the location; and
providing the positional audio, from the converted audio content, to the first speaker over the first channel and to the second speaker over the second channel.