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Chapter 24 HDMI Tx 24.1 Overview

    https://rockchip.fr/RK312X TRM/chapter-24-hdmi-tx.pdf#:~:text=Audio%20Clock%20Regeneration.%20The%20HDMI%20Transmitter%20determine%20the,using%20a%20clock%20divider%20and%20a%20clock%20multiplier.
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hdmi/audio_clock_regeneration_packet.sv at master · hdl ...

    https://github.com/hdl-util/hdmi/blob/master/src/audio_clock_regeneration_packet.sv
    // "An HDMI Sink shall ignore bytes HB1 and HB2 of the Audio Clock Regeneration Packet header." `ifdef MODEL_TECH: assign header = {8'd0, 8'd0, 8'd1}; `else: assign header = {8'dX, 8'dX, 8'd1}; `endif // "The four Subpackets each contain the same Audio Clock regeneration Subpacket." genvar i; generate: for (i = 0; i < 4; i ++) begin: same_packet

An audio clock regenerator with a wide dividing ratio for …

    https://ieeexplore.ieee.org/document/6271676
    The source device sends N (Dividing ratio of video clock to TMDS clock) and CTS (Cycle Time Stamp) values to the sink device for regenerating the audio clock. By processing the integer and fractional part of the N and CTS values separately at two different Σ-Δ modulators, the proposed circuit covers a very wide range of the dividing ratio as HDMI standard and occupies …

US8441575B2 - Audio clock regenerator with precise ...

    https://patents.google.com/patent/US8441575B2/en
    An audio clock regenerator for an HDMI (High-Definition Multimedia Interface) sink device receiving a video clock, and initial parameters including a cycle time …

An audio clock regenerator with a wide dividing ratio for …

    https://www.semanticscholar.org/paper/An-audio-clock-regenerator-with-a-wide-dividing-for-Oh-Kim/9b9037c276adbc9c647b13dcc8d58bc4f1971ee0
    An audio clock regenerator with a wide dividing ratio for HDMI. This paper presents a clock regenerator using two 2nd order Σ-Δ (sigma-delta) modulators for wide range of dividing ratio as HDMI standard. The proposed circuit adopts a fractional-N frequency synthesis architecture for PLL-based clock regeneration.

An audio clock regenerator with a wide dividing ratio for …

    https://www.researchgate.net/publication/261267958_An_audio_clock_regenerator_with_a_wide_dividing_ratio_for_HDMI
    This paper presents a clock regenerator using two 2nd order Σ-Δ (sigma-delta) modulators for wide range of dividing ratio as HDMI standard. The proposed circuit adopts a fractional-N …

Audio Clock Recovery Unit v1.0 LogiCORE IP Product …

    https://www.xilinx.com/support/documentation/ip_documentation/audio_clock_recovery_unit/v1_0/pg335-acr-unit.pdf
    The Audio Clock Recovery Unit core can be used in HDMI and DisplayPort systems to implement complete audio solution. The recovered audio sampling clock can be used to generate a clock to drive I2S or SPDIF. The application of the ACR unit is shown in the following figure: Figur e 1: Application of the ACR Unit. ACR External PLL (ex Si5328) Ref_clk Aud_mclk Audio Sampling …

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