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[Linrad] Sound Card Terminology

I found the spec for my motherboard.  The audio is a Realtek ALC662.

>From the spec:

The HDA link is designed for sample rates of 48kHz. Variable sample
rates are delivered in multiple or sub-multiple rates of 48kHz. Two
sample blocks per frame result in a 96kHz delivery rate, one sample
block over two frames results in a 24kHz delivery rate. The HDA
specification states that the sample rate of the outbound stream be
synchronized by the controller, not by the codec. Each stream has its
own sample rate, independent of any other stream

What does this mean?  How do I get "two sample blocks per frame"?  A
table shows rates up to 192kHz.

I think I do not understand this.

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