AVPro Edge is releasing what it calls a critical extender kit tool for AV installers that can extract the audio signal from within the eARC channel of HDMI 2.1 and transmit the data up to 100 meters over category cable to a centralized audio distribution system.
The extender kit, whose official name is the AC-AEX-DEARC-KIT, is a transmitter-receiver duo, designed for audio signal codec transfer (no video data is processed) from a television to a centralized system distribution location, using the eARC feature in HDMI 2.1.
Matt Murray, chief technology officver at AVPro Edge, says the company’s engineers have created a solution that maintains bit-for-bit, accurately regulated data clocking for as many as 32 uncompressed audio channels over long distances.
“Now, integrators can effortlessly distribute uncompromised audio fidelity to any zone over category cable runs of up to 100 meters,” Murray says in a statement.
The AC-AEX-DEARC-KIT has nearly 30 times the audio bandwidth capacity of optical connections and delivers onboard TV App high-bitrate lossless codecs, or ATSC 3.0 NextGen TV Dolby AC-4 tuner audio, to an AVR or Preamp-processor. The kit also may be used to transmit TOSLINK or L/R analog audio through multi-use ports.
According to AVPro Edge, the high protocol overhead for eARC, nearly 37 megabits per second, provides a bandwidth rate equal to eight channels of 192 kHz, 24-bit uncompressed PCM audio. 3D immersive audio codecs such as Dolby Atmos and DTS:X are precisely transported by the AC-AEX-DEARC-KIT using Category cable (Cat 6A recommended) for distances as great as 100m/328ft.
Using AVPro Edge’s AP-LINK technology, the AC-AEX-DEARC-KIT extender kit monitors and maintains precision audio-with-image synchronization at the display, ensuring an artifact-free presentation for all audio content, the company says.
The AC-AEX-DEARC-KIT accurately manages the one megabit-per-second bidirectional data signal that is modulated on top of the eARC audio signal, responsible for synchronizing lip-sync correction data, while also handling transmission of the regularly timed “heartbeat” signal to the television that controls the muting of built-in TV speakers, according to AVPro Edge.
The AC-AEX-DEARC-KIT will be on display at AVPro Edge’s booth, #3212, at CEDIA Expo 2023 in Denver, Colo. on Sept. 7-9.
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