Referring to "Figure" on Page 32 of Analog_Digital_Lec11_Ref, encode the signal, using a sampling frequency of 5 Hz. Compute the mean absolute quantization Error for the first 5 samples.
We want to digitize the human voice. (Notes: Human voice usually contains frequencies from 0 to 4000 Hz). What is the bit rate, assuming 8 bits per sample? Give your answer in kHz.
We have a singal with highest frequency of 4 kHz and the lowest frequnecy of 0 kHz. What is the minimum bandwidth required for the analog transmission channel (if we send the analog signal without converting to digital)? Give your answer in kHz.
We have sampled a low-pass signal with a bandwidth of 200 KHz using 1024 levels of quantization. Calculate the bit rate of the digitized signal. Giver your answer in Mbps.
Referring to "Quantization Tables" on Page 33 of Analog_Digital_Lec11_Ref,
More than 80% of the samples have values in the range of [0,2] and less than 20% of the samples have values in the range of [2,10]. If you want to minimize a mean square quantization error, which quantization table (A or B) will you choose?
Ref to "SAMPLING : EXERCISE (3)" in Page 11 of Analog_Digital_Lec11_Ref, what is the value of s[5]?
We have a singal with highest frequency of 4 kHz and the lowest frequnecy of 0 kHz. Using the channel given in Q3 and NRZ scheme for line coding, what is the maximum data rate we can acheive for this transmission?
A telephone subscriber line must have an SNR dB above 40. What is the minimum number of bits per sample required?
We want to transmit 1000 characters with each character encoded as 8 bits. Find the number of transmitted bits for asynchronous transmission assuming that we use 1 start bit and 1 stop bit.
We have a singal with highest frequency of 4 kHz and the lowest frequnecy of 0 kHz. What is the minimum sampling rate for this signal? Give your answers in kilo-samples per second.
We want to transmit 1000 characters with each character encoded as 8 bits. Find the number of transmitted bits for synchronous transmission.
We want to transmit 1000 characters with each character encoded as 8 bits. What is the redundancy percent for asynchronous transmission assuming that we use 1 start bit and 1 stop bit.
We have sampled a low-pass signal with a bandwidth of 200 KHz using 1024 levels of quantization. Calculate the SNRdB of the digitized signal.
Categorize the properties into paralle, Asynchronous , Synchronous and Isochronous Transmission.
We have a singal with highest frequency of 4 kHz and the lowest frequnecy of 0 kHz. We digitize the signal and send 8 bits per sample. Assuming we use NRZ scheme for the line coding, what is the minimum bandwidth required for the transmission channel that can pass the given digitized signal? Give your answer in kHz.
We have sampled a low-pass signal with a bandwidth of 200 KHz using 1024 levels of quantization. Calculate the PCM Bandwidth of the digitized signal. Give your answer in MHz.