Topic: Communications
Which of the following is not true?
- A. MPEG-4 is a source coding technique
- B. Channel coding gives coding gain at the expense of bandwidth
- C. Source coding/decoding is done to remove errors
- D. Concatenated coding gives usually good performance
Answer: C. Source coding/decoding is done to remove errors
Explanation: Source coding/decoding is used to efficiently use the number of message bits while channel coding is used to remove the errors in transmission.