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Questions tagged [visualizer]

255 questions
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Visualizer onFftDataCapture - Does the byte[] index represent frequency?

I'm having understanding the Android Visualizer's onFftDataCapture((Visualizer visualizer, byte[] fft, int samplingRate) How do I know which frequency is represented by which byte in fft? For example, would the index be a…
Dan
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Unsuccessful attempt in adapting audio-visualizer into codepen...need advise

I tried to adopt this audio visualizer from https://github.com/wayou/audio-visualizer-with-controls onto codepen.io. These are the problems I encountered. 1- The visualizer (bar graph type display) is not working on the canvas field. 2 -There is no…
CGee
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Android Visualizer error only in Android 6.0

i've found one issue related with Visualizer that takes place only in Android 6.0 devices. Don't really know why it happens, so any kind of help would be appreciated. Here is the error stack: AudioEffect: set(): AudioFlinger could not create effect,…
Luciano Rodríguez
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Do i need to dispose of this Image instance?

I'm making a simple Image Debugger Visualizer. Code is below. I'm not sure if i need to manually dispose of the Image instance? Because i'm making a windows Form window and the PictureBox inside that contains my dynamic image .. do i need to add…
Pure.Krome
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How to scroll audio graph in EZAudio in iOS?

I am using EZAudio library to record/play audio and plotting a graph with it's Rolling plot type. I want to make it scrollable so that I can go to specific portion of recording. Right now it is appending the new recording at the end but it is also…
Amit Sanvedi
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Access Mac's live sound output data

I'm trying to create a program that accesses my Mac's live sound output data which is used to display a live graphic waveform of the current sound/song (AKA I play a song through youtube/itunes/etc and this program shows the waveform of the song…
tmarkey24
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How to draw Straight line by JUNG2?

After do a test by JUNG2, I found all edge line is bent, but not straight line...How to do a straight line for edge by Jung2? package pkg; import javax.swing.JFrame; import edu.uci.ics.jung.algorithms.layout.CircleLayout; import…
frank
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Enumerating and using wmp visualizers

I want to use the systems available windows media player visualizers in my app. Apperently visualizers expose an IWMPEffects interface to the world. My question is how do I enumerate and create instances to the available visualizers on my system?…
monoceres
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Are there any DOM tree visualizers like Firefox's (defunct) 'Arboreal'?

I beg pardon in advance if this is the wrong place to ask about tools, but I wasn't sure which other StackExchange site would be appropriate. I'm training some colleagues on HTML and basic CSS / jQuery selectors, and I feel it'd be very helpful for…
sacheie
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Android Visualizer Detect Beat? And Visualizer.setCaptureSize() not Working? Alternatives?

I am using The Visualizer to draw a Visualization of a Sound File that I am Playing. The sound wave is displaying, however I would like to make it less detailed, as it has an effect on my frame-rate. There is very limited documentation for this. So…
user3011902
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Jmeter - Spline Visualizer

What information does Spline Visualizer graph provide to the user? The generated Spline Visualizer got a huge spike at the start followed by Troughs. Kindly help me to understand what information does it provide.
user3107460
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Visualize a Jena ontology model in Java

I would like to visualize an Ontology model created through Jena in Java. Is there an API which can help me out in this task ? Or at least a tutorial on the matter? Thanks in advance.
PB_MLT
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how play and visualize audio streaming between browsers via peerconnection?

I am using webrtc for create peerconnection and stream audio between browsers, but how can I visualize and play the audio stream with a visualizer(for example wave form) to both the transmitting and the receiving? Someone knows some example? Thanks
user2654557
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Natvis Visual Studio 2012 Template class casting error

I am writing a natvis file for visual studio 2012 to help customize what is displayed while debugging. I'm trying to cast a void* to a template class & I'm seeing the following error: Fatal error: Element CDIB' is unexpected according to content…
Erin Bz
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DataTable descendant with DebuggerDisplay attribute loses DebuggerVisualizer

I have a descendant of DataTable that has the DebuggerDisplay attribute defined. The default visualizer for DataTable is removed when I add the DebuggerDisplay attribute. If I remove the DebuggerDisplay attribute, the DataTable visualizer returns. I…
Steve
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