公开(公告)号：US11234078B1

公开(公告)日：2022-01-25

申请号：US16912461

申请日：2020-06-25

Applicant: Apple Inc.

Inventor： Robert D. Silfvast ,  Tushar Gupta ,  Jahan C. Minoo ,  Nicholas C. Soldner ,  Daniel Javaheri-Zadeh

IPC: H04R5/033 ,  H04R5/04 ,  H04R1/10 ,  H04S1/00 ,  H04B5/00 ,  H04W4/80 ,  G02B27/01 ,  H04B10/114

Abstract: A system that includes an audio source device configured to obtain audio data of at least one audio channel of a piece of program content. The audio source device has an optical transmitter for transmitting the audio data as an optical signal and a radio frequency (RF) transceiver. The system also includes a wireless earphone that has an optical receiver for receiving the audio data as the optical signal, a RF transceiver for transmitting feedback data indicating a reception quality of the received optical signal at the wireless earphone as a wireless RF signal, and a speaker for outputting the audio data contained within the optical signal and/or the data packets as sound.