0.5 0.5 0.2 0.2 10. 0.1 10. • 0.1 20 OFF Vldiv ms/div oscilloscope
The period of this signal is about ____ ms (milliseconds). Use this picture for 2 additional questions below.
The oscilloscope range selector determines the scale on the screen.
That means number of Volts per line for amplitude vertical (V/div) and the number of milliseconds per line for time horizontally (ms/div).
Select the FM Radio Quality recording format on the picture below and calculate the size of a 30 seconds uncompressed audio file (like a WAV file) in kB (kilo Bytes).
This is a ____ mega pixels picture.
The size of this video file is ______ MB
Note: This Details tab is from Windows properties of a video file. The Data Rate is for video only. The Bit rate is for audio only. The Total bitrate = audio + video. The format of Length is HH:MM:SS. Therefore you need the Total bitrate and the Length of the video and finally convert it to MB.
| The frame rate is: | 15 Hz |
| The spatial resolution of each frame is: | 428 x 240 pixels |
| The brightness resolution per pixel is: | 24 bits |
| Minimum sound frequency is: | 50 Hz |
| Maximum sound frequency is: | 18 kHz |
| The sample size is: | 16 bits |
Select sampling frequency based on Nyquist theorem.
Calculate the size of the resulting video with stereo audio file in MB (Mega Bytes), that is 10 seconds long, and no compression used.
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