The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 10, 2024

Filed:

Apr. 26, 2022
Applicant:

Realtek Semiconductor Corp., Hsinchu, TW;

Inventors:

Chun-Chieh Chan, Hsinchu, TW;

Hung-Shao Chen, Hsinchu, TW;

Chia-Hao Chang, Hsinchu, TW;

Tzu-Hsin Fan, Hsinchu, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 21/4363 (2011.01); H04N 21/438 (2011.01); H04N 21/439 (2011.01); H04N 21/4402 (2011.01);
U.S. Cl.
CPC ...
H04N 21/43635 (2013.01); H04N 21/438 (2013.01); H04N 21/4394 (2013.01); H04N 21/4398 (2013.01); H04N 21/4402 (2013.01);
Abstract

A multimedia system and a protocol converter are provided. The multimedia system includes a sink device, e.g., a television, various audiovisual devices connected to the sink device, and the protocol converter. The protocol converter is connected to the sink device, and processes the audio and video signals inputted from a specific audiovisual source and outputted to the sink device to be played. The audio signals can be processed and played by an audio playback device directly connected with the protocol converter. Furthermore, the protocol converter can process the audio signals being returned from the sink device of the multimedia system via an audio return channel or an enhanced audio return channel. Finally, the received audio signals are converted and outputted to one of various audio output interfaces supported by the protocol converter.


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