SYSC 4405 Final: SYSC 4405 Final Exam Fall 2011

• School: Carleton University
• Department: Systems and Computer Engineering
• Course: SYSC 4405
• Professor: All

Document Summary

This exam has 3 pages and 16 questions. You have 180 minutes to complete this exam. This is a closed book exam; however, you are permitted to bring one 8. 5 11 sheet of notes. You are permitted to use a non-programmable calculator. Write your answers on an examination booklet. You may take this examination paper with you. An ideal low pass lter with cutoff frequency c has impulse response: hlp [n] = c. The fft requires n log2(n ) complex additions and 1 n + 1. Filter windows have the form: w[n] = a0 + a1cos( n l. Background: after graduation, you get a job working for an internet telephony company, producing a product designed to compete with skype. com. Like all internet telephony products, the user"s voice is recorded from a microphone, processed to remove noise, assembled into packets and then sent through the internet to the receiver.