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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.
Let f(x) = 2x^3-4 x+1 . Match output left number time output occurs input values x -3 3. Graph calculator windows county times.
A telephone in a police precinct is used for both emergency calls and personal calls. Personal calls are on a first-come, first-served basis and are made at a rate of one every 5
Background Protein therapeutics are a major component of the biotechnology industry, with sales estimated in the range of ~$99bn annually (2011) and steady market growth. Many phar
Using MATLAB, plot the response of a spring-mass system under a harmonic force for the following data. m=10 lb k = 2500 lb/ft F(t) = 80 cos 30 t lb x0 = 6 in ?0 = 0.15 ft/s
I need to develop models to vary aileron, rudder characteristics to generate good lift and not very low speeds so the aim is wing modification of an aircraft
deriving the mathematical modelling of coupled tank using simulink and finally get the reaction curve of coupled tank system
THE GAME OF LIFE The "Game of Life" is an example of a cellular automaton (CA) and was devised by John Conway in 1970. The "Game of Life" is played on a regular grid, with eac
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
i want to known the full details of the project
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