Article ID: 000078878 Content Type: Troubleshooting Last Reviewed: 09/26/2011

Audio Clock Contains High Jitter

Environment

    Quartus® II Subscription Edition
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Critical Issue

Description

The audio clock, aud_clk_out, generated by the SDI Audio Extract MegaCore function contains high jitter. The SDI Audio Extract MegaCore function generates aud_clk_out at a frequency of 3.072 MHz, that is synchronous to the receiving video data, but contains high jitter.

This issue affects all SDI Audio Extract configurations.

The generated audio signal contains high jitter.

Resolution

None.

The user is responsible to generate a clean and synchronous frequency of 3.072 MHz.

Related Products

This article applies to 1 products

Intel® Programmable Devices

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