Rolando Purdy, articles - page 19

Audiowaveform Generating a colored waveform of an audio file?
Generating a colored waveform of an audio file?
What is Audiowaveform? What is Audiowaveform?audiowaveform is a C++ command-line application that can render audio waveforms as PNG images, allowing...
Filter Low-pass filter with varying cut-off frequency over time
Low-pass filter with varying cut-off frequency over time
What should the cut off frequency be for low pass filter?When order of Butterworth low pass filter increases the cut off frequency will be?What is th...
Zero What happens if I zero out the initial terms of the fft output and take inverse fft? [duplicate]
What happens if I zero out the initial terms of the fft output and take inverse fft? [duplicate]
Does zero padding affect FFT?What is the effect of zero padding?Why zero padding is needed in FFT?Why is FFT output mirrored? Does zero padding affe...
Frequency What is the Assumptions behind obtaining Better Frequency Resolution based on Transformation of the Random Variables?
What is the Assumptions behind obtaining Better Frequency Resolution based on Transformation of the Random Variables?
What affects frequency resolution?How can frequency resolution of FFT be improved?What is a good frequency resolution?How do you increase frequency r...
Frequency Frequency Axis of Discrete Fourier Transform (DFT) with Odd Number of Data Points
Frequency Axis of Discrete Fourier Transform (DFT) with Odd Number of Data Points
How do you calculate DFT frequency?How do you find the 8 point DFT of a sequence?What is the frequency range of a Fourier transform?What is the Y axi...
Resampling Why resampling change this FFT output?
Why resampling change this FFT output?
What does resampling signal do?What is resampling factor?What is resampling in interpolation?What is resampling in DSP? What does resampling signal ...
Signal Is the first derivative operation on a signal a causal system?
Is the first derivative operation on a signal a causal system?
Is derivative of a signal causal?How do you determine if a system is causal or not?Which one is an example of causal systems?Which of the following s...
Error Why is bit error rate = symbol error rate / number of bits per symbol in QPSK
Why is bit error rate = symbol error rate / number of bits per symbol in QPSK
What is bit error rate in QPSK?What is the relation between BER and symbol error rate?Is symbol error rate the same as bit error rate?Why is bit erro...
Silence Silence removal from the audio
Silence removal from the audio
What is silence removal? What is silence removal?Silence removal is a pre-processing technique used to remove silence (background noise) and unvoice...