Q3. [25] Look at the following code. It is the required script to record a 3 sec audio from the mic. Use the given code to record you saying Hello and a separate file to record your name.

Recording condition: Recording sample rate should not be more than 12 KHz.

	a=audiorecorder(Sapmling_rate,Bit_Depth,Channel; disp('My Name is ? '); recordblocking(a,3); disp('STOP'); name=getaudiodata(a);

• [1] Combine the two audio tracks so that we can hear: Hello, . . . < your name>.
• [1] Plot the time-domain of the final track.
• [1] Plot the magnitude spectrum of the final track. Use the my_fft() function available on the Blackboard. Set number of bins = number of samples & do not use a window.
• [0.5] What is the complete command (with parameters) to listen to the final track.