# Tagged Questions

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1k views

### Are there any mathematical advantages for higher sampling rates?

Given that most people can't hear so many frequencies above 20kHz anyways, I've never understood the exact arguments for using sampling rates above 48kHz. At 48kHz, I understand that it is easier to ...
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### Why must a sample rate by at least twice a frequency in order to reproduce that frequency accurately?

I read this: To reproduce a given frequency, the sample rate must be at least twice that frequency. Why is this so?
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### Why does AAC have two Sampling rates?

I am working on a project that reads the meta data of video files with MediaInfo and processes the results. While testing my code with some sample files I noticed that the audio track of a .mkv file ...
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### how to measure bitrate of video over time

Given an encoded video file with non-constant bitrate, how would one analyze the bitrate over time? So far I found one old program that produces a bitrate plot, but none that can give the raw data of ...
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### Video from still images - Zooming

I am completing a school project on distributed computing. I have been granted access to a Blue Gene super computer to run an algorithm to create static Mandelbrot set images. I have the algorithm ...
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### What Happens to Frequencies Above the Nyquist Limit?

If I record a sound at a rate of 8,000 samples per second, I know that the highest frequency that can be reproduced from the sound is 4000Hz. What I want to know is: If the sound contains frequencies ...