CS 111 - 11/6/14 Exam 2 - Thursday, 11/13/14 during Lecture 20 multiple choice questions 2 write method questions For Extra Credit - write a potential multiple choice question in the appropriate Blackboard Discussion section Sound Manipulation - sound is a wave over time - we record the amplitude of the sound wave in a range from -32768 to +32767 The value of 0 is the typical "at rest" value How many sample per second do we need? To cover the normal range of human hearing we need about 22000 samples per second We will typical use 22050 samples per second in our sound files