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TOSLINK (Toshiba Link) [3] is a standardized [4] optical fiber connector system. [5] Generically known as optical audio, the most common use of the TOSLINK optical fiber connector is in consumer audio equipment in which the digital optical socket carries (transmits) a stream of digital audio signals from audio equipment (CD player, DVD player, Digital Audio Tape recorder, computer, video game ...
Return" refers to the case where the audio comes from the TV and can be sent "upstream" to the AV receiver using the HDMI cable connected to the AV receiver. [39] An example given on the HDMI website is that a TV that directly receives a terrestrial/satellite broadcast, or has a video source built in, sends the audio "upstream" to the AV receiver.
Here's how my setup went: I plugged in the sound bar and connected it to the TV's HDMI-ARC port. (ARC stands for "audio return channel," and among other things it allows your TV remote to control ...
S/PDIF can carry two channels of uncompressed PCM audio or compressed 5.1 surround sound; it cannot support lossless surround formats that require greater bandwidth. [ 4 ] S/PDIF is a data link layer protocol as well as a set of physical layer specifications for carrying digital audio signals over either optical or electrical cable.
In January 2018, CNET reported that Roku was debuting a new licensing program for smart audio devices such as smart speakers, sound bars and whole-home audio, while noting the "ease of use" and "superb streaming options" offered by Roku TVs. [7] According to CNBC in 2021, Roku was the U.S. market leader in streaming video distribution. [2]
The Roku OS is the most popular TV operating system in the U.S., reaching an estimated 90 million households as of 2025. [4] [5] [6] The Roku OS works as a streaming platform that hosts both "free" and paid streaming channels through its graphical user interface. [7] [8] It has been reported to be easy to use and powerful.
For digital audio, as long as a connection is successfully made using the cables the sound will remain faithful to the original signal because a digital signal can only be fully received or not received at all. Cables should meet the S/PDIF specification as defined by the international standard IEC 60958-3 for assured performance.
One of the most common problems was the return to VHF frequencies by stations that had used them when they were analog. Over 480 stations were broadcasting digitally on the VHF spectrum after the transition, up from only 216 on the frequencies before. Many antennas marketed for digital TV are designed for UHF, which most digital stations use ...