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Questions tagged [equalizer]

188 questions
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Get audioSessionId of song running in background

In a Project.,when i equalize like equalizer = new Equalizer(0, mediaPlayer.getAudioSessionId()); Equalizer is working fine. but when i don't have sessionId. Is there any global sessionId(0 is according to me) . because when i initialize…
Zar E Ahmer
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How to implement Equalizer in android

I have to implement an Equalizer in android and i also find source code here But i have no idea about NumberOfBands and BandLevelRange(What are they?) and how can i handle them. the given code i have shown you is from the source code i mentioned. …
Xar-e-ahmer Khan
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1 answer

How to capture output stream of audio in Android?

I am a newbie in development and I trying to create an equalizer on Android platform. How I can capture output audio stream on android? I just need to take audio information that goes out from my application. (I already searched…
Bel
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5 answers

Create a Flash Equalizer (modify output sound)

Hi it'd like to know if it's at all possible create a "parametric" equalizer in flash. Not just the usual graphic effects but a tool to modify the output of the sound that pass trough the application. Any reference, tips idea welcomed. Thanks
Terataz
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1 answer

How do i draw an accurate parametric eq curve given gain, freq, and q?

After a lot of googling I still can't find an equation to give me the path I need. I am creating a gui for a parametric eq and just can't get the curve drawing to look or feel accurate. Although I know most eq plugins are just eye candy giving a…
Jon Rose
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3 answers

Parameters to improve a music frequency analyzer

I'm using a FFT on audio data to output an analyzer, like you'd see in Winamp or Windows Media Player. However the output doesn't look that great. I'm plotting using a logarithmic scale and I average the linear results from the FFT into the…
Prismatic
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How to draw "bell-curves" in Flutter

I'm making an equalizer graph with a Flutter. But with the "Custom Paint" class drawPath, Bezier Curve (quadratic BezierTo), I kept failing to create a graph that looked exactly like the picture. When I searched, I saw that I had to use something…
starry
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How to modify FFT result to equalize a music sample

I need to equalize a music sample by modifying the FFT result. I know how to obtain the frequencies of each of the output imaginary numbers, the problem is modifying this values to obtain an "equalizer effect". I need to know how to scale this…
Alejandro Barreiro
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Caused by: java.lang.RuntimeException: Cannot initialize effect engine for type: 0bed4300-ddd6-11db-8f34-0002a5d5c51b Error: -3

I am testing equalizer in my Android Version 7.1.1 but it shows a Runtime Exception but It's perfectly working on below version 7.0. When I try to initialize equalizer : private static UUID EQUALIZER_UUID; mp = MediaPlayer.create(this,…
Rohit Gurjar
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1 answer

how to set audio virtualizer properly

I am trying to make an android equalizer but I am not able to use the virtualizer properly .Not Visualizer this is some piece of my code the app is not getting crashed but it is just not working vr = new Virtualizer(0,…
Neelay Srivastava
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How to apply android system equalizer settings on MediaPlayer object?

I'm a newbie in programming and android development. So I have a problem: all music players, such as Apple Music, Sony's Music app and other ones use system audio effects (from settings app), but my app doesn't. I don't know how to apply system…
Ivan Root
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1 answer

Equalizer getBandLevel(i) returns value 0

Im looping all my presets and want to use them after that. Now the first getBandLevel method Im calling is returning me an acceptable value but all the other method calls in the loop returns me 0. Where could I be wrong ? Here is my code with the…
Ahmet K
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Android Equalizer custom presets aren't applying

Im trying to change the current presets but somehow Im failing.Im able to make a spinner with all the Preset names. But when I try to apply them only the first seekbar (60HZ) changes (also the sound doesnt sound like it applied the right…
Ahmet K
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3 answers

TextView not showing full text in Relative Layout

I want to change text of Textview dynamically, but it does not show full text.instead it shw one or two character less than it or sometimes show "...." atlast. This is a layout for an custom equalizer. This is my xml file.
Animesh Mangla
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1 answer

How to get the default Equalizer to work with my current Audio Session ID

I want to make the users default equalizer work with my app, but I can't seem to get my app audio session to connect with the equalizer even though I am passing it my Audio Session ID etc. Here is my code: Intent i = new…
Jack
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