HDMI eARC Receiver IP

Design IP

Overview

SmartDV’s HDMI eARC (Enhanced Audio Return Channel) Receiver IP is a high-performance solution designed to meet the latest HDMI 2.1 specifications for advanced digital audio transmission. It enables robust, high-bandwidth, and uncompressed audio streaming between HDMI-connected devices, making it ideal for next-generation consumer electronics, home theater systems, and automotive infotainment applications.

Designed for flexibility, the IP core is highly configurable to meet specific design requirements, supporting both ASIC and FPGA implementations while optimizing for area, power, and performance. It supports features such as automatic mode detection, control channel handling, and compatibility with legacy ARC devices, ensuring seamless integration and exceptional audio fidelity.

Benefits

Enhanced Audio Return Channel (eARC) Support – Fully compliant with HDMI 2.1 eARC specification, enabling reliable, high-bitrate audio return for next-generation audio systems
Comprehensive Audio Format Reception – Supports encrypted or unencrypted 2-channel and multi-channel L-PCM, IEC 61937, and One-Bit Audio formats for broad compatibility
Advanced Signal Processing – Implements biphase-mark decoding, falling-edge demodulation, and ECC-based error correction for robust and accurate data recovery
Flexible Output Architecture – Supports single-ended, non-differential split outputs for easy system integration
Rich Metadata and Control Support – Handles ACP, ISRC1, and ISRC2 U-bit message structures to maintain full content protection and identification flow
Intelligent eARC Data Channel Management – Supports discovery, disconnect, heartbeat, status bits, audio-latency control, and capabilities data structure handling over the Common Mode Data Channel
Optimized for SoC Integration – Designed for seamless connection with audio subsystems via standard I²S, SPDIF, and AXI-Stream interfaces

Compliance and Compatibility

Fully compliant with HDMI 2.1 eARC and IEC 60958/61937 standards
Supports HDCP and CEC/HEAC communication where applicable
Compatible with all major EDA synthesis, simulation, and linting flows

Related Products

HDMI eARC Transmitter IP

HDMI Sink IP

HDMI Source IP

HDMI VIP