Stack Overflow
Stack Overflow

Questions tagged [visualizer]

255 questions
3
votes
0 answers

Getting "Cannot initialize Visualizer engine, error: -3" when trying to use Visualizer with ExoPlayer

I am using ExoPlayer to play audio from a URL. I need to use a visualizer and picked the following library to do that: https://github.com/gauravk95/audio-visualizer-android Problem is, when I use it with ExoPlayer (and not MediaPlayer), I am getting…
Abhishek Sharma
  • 609
  • 1
  • 11
  • 22
3
votes
1 answer

How can i create audio visualizer in android studio?

I am creating sound recording app, and i need to create audio visualizer. I looked at this similar question, but there was only outdated libraries and i looked at several other questions, but i could not find the answer. Do you know about any open…
FireTr3e
  • 77
  • 7
3
votes
1 answer

Android Visualizer FFT Data is Dependent on Volume

I'm writing a plugin for a Unity application that uses the Android Visualizer class. I'm using the getFft() function and the code provided there to get the FFT magnitudes. The values returned are dependent on volume - much higher values with higher…
Big Money
  • 9,139
  • 6
  • 26
  • 37
3
votes
0 answers

Visual Studio NatvisFile add leading zeros to DisplayString

I want to adjust my Visualizer in Visual Studio 2017 via the Nativis file. There is an own class date, which should be displayed more nicely in the debugger. "{1900 + ts.tm_year}-{1 +…
Bowers
  • 836
  • 8
  • 20
3
votes
1 answer

Iphone read audio from built in apps

I'm trying to implement audio analysis to my app (ie for a visualizer or something). Using the Audio Queue framework, can I read the output of itunes playing in the background of the device into a AudioQueueLevelMeterState variable? Once I have…
user558076
  • 71
  • 1
  • 3
3
votes
1 answer

How do you get the audio byte[] from the synthesised speech created by the TextToSpeech engine?

I'm trying to get the audio byte[] that's created when the TextToSpeech engine synthesises text. I've tried creating a Visualiser and assigned a OnDataCaptureListener but the byte[] it provides is always the same, and therefore I don't believe the…
Micah Simmons
  • 2,078
  • 2
  • 20
  • 38
3
votes
0 answers

Record/capture system sound from visualizer

I'm trying to capture internal sound from visualizer. I couldn't notice how to capture sound from visualizer and save it to a file. I used onWaveFormDataCapture's waveform byte array in audioRecord.read and writeShort functions and app crashed. any…
portiexc
  • 43
  • 5
3
votes
2 answers

Debugger Visualizer not working? Have i incorrectly registered it?

I have created a debugger visualizer in VS2008. There are two classes i've made, in the same .dll :- BinaryDataDebuggerVisualizer ImageDebuggerVisualizer The image one works fine (eg. the magnify glass appears in debug mode) but not for the…
Pure.Krome
  • 84,693
  • 113
  • 396
  • 647
3
votes
2 answers

How to get each frequency of recording sound using MediaRecorder?

VisualizerView works with a file via linking but It's not the same for MediaRecorder . MediaRecorder getMaxAmplitude() function returns only the highest value but I need to get a byte array for each frequency . Is there any way to do this ?
dodo
  • 141
  • 8
3
votes
0 answers

Visualize while recording using AudioRecord and Visualizer in Android Studio

I am creating an android application which records and saves a wave file and plays it back. I have a visualizer working when the .wav file is being played back. However, I would like the application to visualize while recording so the user is…
aFrei
  • 31
  • 1
  • 5
3
votes
0 answers

Android Visualizer waveform for Voice recording through MediaRecorder

I'm writing a simple Voice Recording app in Android and want to display a waveform based on the voice input. I have gone through the Visualizer class and got it to work with the playback of the voice recording (through MediaPlayer) …
AndroidDev
  • 5,193
  • 5
  • 37
  • 68
3
votes
1 answer

PCL: How can I update the normals's cloud in pcl::visualizer?

I have a thread that visualize a pointcloud while I'm working on it. I need to visualize also the normals, how can I update them? I cannot find anything like updateClouds for normal clouds. void pclVisualizerThread::operator()() { // prepare…
Michele mpp Marostica
  • 2,445
  • 4
  • 29
  • 45
3
votes
2 answers

Fatal signal 11 android Visualizer

I'm developing application that play a list of audio files after click of button play all, after playing each file I recreate a new VisualizerView from https://github.com/felixpalmer/android-visualizer Problem: some times I get this nasty Fatal…
Happy Dev
  • 573
  • 10
  • 17
3
votes
1 answer

How to develop a music visualizer using openFrameworks

I'm going to using openFrameworks to develop a music visualizer--music drive graphics. I can use Opengl to do the graphics. But the problem is the audio processing part. I have no experience in this field. I once thought I could extract music…
Scarlet Blue
  • 31
  • 2
2
votes
2 answers

.NET datarow visualizer?

Are there any datarow visualizers which work in VS 2008? I have tried a couple (DotNetDan & Captator) and they both give cast exceptions. It seems these were developed for VS 2005. I know I can put a datarow in a datatable and view it through a…
Abdu
  • 16,129
  • 13
  • 59
  • 84
1 2 3
…
16 17