Using the audiorecorder() function in MATLAB, make a recording of your voice. Use a sample rate of 8kHz, 16 bits per sample, and aim to record around 2 seconds worth.

Quantize the audio samples down from the original 16 bits by removing the least-significant bit (LSB) from the waveform, to make a 15 bit recording. Repeat for 14, 13, 12 bits, down to 1 bit.

Explain how you would do this in MATLAB, and implement your approach.

Listen to the recordings, and make a table with the number of bits and the corresponding quality assessment. This can simply be a subjective assessment; use terms such as 'no perceptual difference', 'minor noise present', 'quite noisy', 'poor quality' etc.

Calculate the signal-to-noise ratio in each case, and add that to your table. Explain how you calculated the SNR.

Posted Date: 2/28/2013 12:13:46 AM | Location : United States

Ask an Expert

Related Discussions:- Quantize the audio samples, Assignment Help, Ask Question on Quantize the audio samples, Get Answer, Expert's Help, Quantize the audio samples Discussions

Write discussion on Quantize the audio samples
Your posts are moderated

Write your message here..

Related Questions

Neural networks, Good day! I am new to neural networks and also in Matlab n... Good day! I am new to neural networks and also in Matlab nnet toolbox. Basically, I want to implement a backpropagation feedforward supervised neural network for prdacting Quality

Image Aquisition, I want to use a camera to detect objects by interfacing i... I want to use a camera to detect objects by interfacing it with matlab ,i need any sourses to help me

Network simulations and inferring network connectivity, The objective of th... The objective of this problem is to simulate reaction networks for different connectivity. Another objective is to guess the network connectivity from given experimental data. Matl

Clipper and clamper, how to make clipper and clamper in matlab simulation how to make clipper and clamper in matlab simulation

Round Trip Time out latency computation using stochastic,

LOW PASS IIR FILTER, HOW TO IMPLEMENT THE LOW PASS IIR FILTER HOW TO IMPLEMENT THE LOW PASS IIR FILTER

Use matlab to find vrms of the pulse train, Q. A periodic sequence of expon... Q. A periodic sequence of exponential wave forms forms a pulse train whose first cycle is represented by v(t) = [u(t) - u(t - T 0 )]vAe -t/TC Use MATLAB to find Vrms of the

Drowsiness detection, sample code sample code

Clipper clamper, how to do clipper and clamper in simulink how to do clipper and clamper in simulink

Find functions fiatan and atan, The phase, θ, of a complex number z, is of... The phase, θ, of a complex number z, is of course determined as follows knowing its real and imaginary parts: θ = tan -1 imag(z)/real(z) (1) Your first task is to create a f