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0
votes
1answer
30 views

converting block diagrams with delays to equations

given this block diagram: can someone please clarify how to interpret the second delay (the one prior to $Y$)? to convert this block diagram into a simple equation, I interpret the diagram as: ...
1
vote
1answer
277 views

How to make this cool Audio Spectrum Visualizer

I want to make/create this spectrum visualization on a physical Led_Bar_Panel(s). Here's what I think I should do: Take sample's in real-time( Sampling freq = Fs KHz, only voice) Do a FFT( As far ...
0
votes
1answer
60 views

What plotting / visualization tools are useful in generating good plots? [closed]

It has been said a picture is worth a thousand words! There have been a large number of softwares to write dsp codes and analyze signals and algorithms. It will be good to share on data plotting ...
3
votes
2answers
85 views

What is state of the art in multivariate 2D image display?

If I have a 2D scalar image, it's trivial to display it with MATLAB or matplotlib type tools with the pixel values mapped via a color map, and there is any amount of literature (one example, another ...
2
votes
2answers
165 views

Audio descriptor of data

Is there a way to generate a waveform from data (any kind of data: integer, hexadecimal, string, char, binary), in a common audio player, without converting the data to an audio format? I'm looking ...
7
votes
1answer
2k views

Terminology: spectrum, spectrogram, spectrograph, sonogram, etc

In term of proper or accepted naming conventions of DSP graphics or instrumentation output, what is the difference between the words spectrum, spectrogram, spectrograph, and similar terms, and what ...