SPI Exam Dumps | What is the purpose of applying compression to the received signals?

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Question 95/99

What is the purpose of applying compression to the received signals?

A. Decrease the frame rate

B. Decrease the spatial pulse length

C. Reduce the field of view

D. Reduce the dynamic range

Correct Answer: D

Comprehensive and Detailed Explanation From Exact Extract:
The primary purpose of compression is to reduce the dynamic range of received echoes, making the image more visually interpretable by adjusting contrast without losing diagnostic information.
According to sonography instrumentation reference:
"Compression reduces the dynamic range of the signal amplitudes to fit within the display range of the monitor while preserving important differences in tissue echogenicity." Therefore, the correct answer is D: Reduce the dynamic range.
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