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1. What is the cause of aliasing in digital media?

1. What is the cause of aliasing in digital media?

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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1. What is the cause of aliasing in digital media? 2. Say that you want to digitally record a sound that has a highest frequency component of 650 Hz. According to the Nyquist theorem, what sampling rate do you have to use to be sure that you don't get sound aliasing? 3. If you are recording an audio file and expect that the highest frequency in the file will be 10kHz,what is the minimum sampling rate you can use to ensure you won't get audio aliasing?
Transcribed Image Text:1. What is the cause of aliasing in digital media? 2. Say that you want to digitally record a sound that has a highest frequency component of 650 Hz. According to the Nyquist theorem, what sampling rate do you have to use to be sure that you don't get sound aliasing? 3. If you are recording an audio file and expect that the highest frequency in the file will be 10kHz,what is the minimum sampling rate you can use to ensure you won't get audio aliasing?
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