Audio Analysis Panel - Quantum Data Gen 2 980 User Manual

980 HDMI Protocol Analyzer User Guide
4.6

Audio Analysis Panel

The Audio (Data) Analysis panel enables you to assess the consistency of the audio metadata. The audio test is
a special test. It is executed from the Std Tests tab of the Capture Control panel.
The information included in the Audio Analysis listing is defined in the table below.
Field
Audio InfoFrame Sampling Freq (Fs)
Audio InfoFrame Sample Size
Audio InfoFrame Channel Count
Audio Packetization
Audio Clock Regeneration
Channel Status Block Audio [type]
Channel Status Block Sampling Freq
(Fs)
Channel Status Block Original
Sampling Freq (Fs)
Channel Status Channel Count
Calculated Sampling Freq (Fs)
Audio Clock Regeneration packet rate
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Function
The sampling frequency or rate provided in the audio infoframe.
The sample size that is provided in the audio infoframe.
The channel count that is provided in the audio infoframe.
The sample packets in the audio sample.
The CTS and N values in the ACR packet and the sampling
frequency or rate that is calculated using those CTS and N values.
The audio format read from the channel status bits.
The audio format provided in the audio sample packet headers.
The sampling frequency or rate that is provided in the channel
status bits.
The channel count that is provided in the channel status block.
The sampling frequency or rate that is calculated based on the
audio sample packets captured.
The rate at which the ACR packets are arriving. Both the values
captured and the expected rate based on the calculation with the
pixel rate and the sampling rate.
Rev. A1
December 19, 2012