The incoming raw echo signals must be compressed into a smaller dynamic range because:

The incoming raw echo signals must be compressed into a smaller dynamic range because:

• A. A Wide dynamic range results in increased display of electronic noise
• B. Wide dynamic range does not differentiate echoes arriving from different depths
• C. The display cannot accommodate the wide dynamic range
• D. The existing wide dynamic range significantly slows the frame rate

Answer: (D)

Wide dynamic range means echo amplitudes vary over a very large span, which requires more bits, more processing, and more data to handle per frame. To keep imaging real-time, the system compresses this range into a smaller set of levels, reducing the amount of data and the CPU/GPU work per frame. This makes processing faster and helps maintain a higher frame rate. So, compressing the dynamic range is done to avoid the heavy processing load that would slow frame rate, which is why this option is the best answer.

Wide dynamic range means echo amplitudes vary over a very large span, which requires more bits, more processing, and more data to handle per frame. To keep imaging real-time, the system compresses this range into a smaller set of levels, reducing the amount of data and the CPU/GPU work per frame. This makes processing faster and helps maintain a higher frame rate. So, compressing the dynamic range is done to avoid the heavy processing load that would slow frame rate, which is why this option is the best answer.