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1. Snapshots per second 2. Measured in Hertz (Hz) |
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SAMPLED MORE THAN 2X PER CYCLE |
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SAMPLED EXACTLY 2X PER CYCLE |
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* SAMPLED LESS THAN 2X PER CYCLE (Aliasing occurs when sample rate is too low.) |
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makes high frequencies appear as low frequencies
Aliasing occurs above the Nyquist Frequency.
In order to eliminate aliasing, a low pass filter (LPF) is put before the A-to-D conversion stage at the Nyquist Frequency. |
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The sampling rate must be ≥ 2X the highest recorded frequency in order to avoid aliasing. |
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1. Number of bits stored per sample
2. Describes possible volume values
3. Bit = ON/OFF switch a. 1 = ON b. 0 = OFF |
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1. Volumes are adjusted up or down to the nearest volume value in digital audio. |
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