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Questions tagged [equalizer]

188 questions
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android equalizer crashes if library not loaded

I am trying to work with android Equalizer It works if my app has been started , but fails when another app uses equalizer the app would crash whenever my app tries to access the equalizer library Is there a way to know if equalizer is available…
1234567
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Assigning Equalizer to a single channel

Since I have some sort of hearing loss, affecting different frequencies on my ear, I was planning to develop an app that would have an equalizer on the two different channels (stereio) music usually plays on. However, I haven't been able to do do…
Tehort
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How to add presets and Equalizer on audio in iOS?

I am working on an app which uses AVAudioPlayer to play a audio file. That's working fine, but now I want to add Equalizer presets. Is there any library for presets in iOS?
RAHUL GERA
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VLCJ Equalizer work not correctly

i use VLCJ 3.0.1, Plattform 3.5.2 and JNA 3.5.2 under Ubuntu 14.10. I would like to create a simple Vlcj Mediaplayer with equalizer. The problem is, i can play the *.mp3, but when i enable the equalizer and change the gain from any band, i can hear…
user3245774
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can I use AVAudioPlayer to make an equalizer player?

I want to make an equalizer for music player,which can do some EQ setting like bass and treble,and I want to change the music effect by setting the frequency. 250Hz, 1000Hz, 16000Hz. (void)setEQ:(@"250Hz"); (void)setEQ:(@"1000Hz…
arrfu
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Matlab: Error when working with higher order QAM signal - Matrix dimension must agree

This problem seems to be trivial but I am left scratching my head when trying to resolve it. I am trying to apply Fractionally spaced equalizer with constant modulus technique for 64 QAM constellation. The program works for QPSK or 4 QAM but when I…
SKM
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Audio equalization

I'm developing audio player using FFmpeg and I want to add audio equaliqer to my app. I use FFmpeg to get audio samples and compute FFT, but when I try to apply one of IIR filters, I'm geting very noisy audio signal. This is my code: double Q =…
Evgeniy Kharchenko
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Equalizer function on resize

I've function JS for superimpose 2 blocs (without absolute position in CSS). So i add height + margin-bottom identical. My function work, but on resize, i don't understand why it does not work. The value don't change .. Do you have any idea ? var…
Stéphane R.
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IIR filter coefficients for the high center frequencies

I'm trying to create my own equalizer. I want to implement 10 IIR bandpass filters. I know the equations to calculate those but I read that for higher center frequencies (above 6000Hz) they should be calculated differently. Of course I have no idea…
Michał Cłapiński
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Accessing a running instance of a Class implementing mediaPlayer in another class to get the audioSessionID

I have a class called Player.java which implements MediaPlayer and creates a new instance of it to manage audio playback public class Player implements MediaPlayer.OnCompletionListener, MediaPlayer.OnPreparedListener,…
Neel
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android eqaulizer causes NoClassDefFoundError: android.media.audiofx.Visualizer error

android eqaulizer causes NoClassDefFoundError: android.media.audiofx.Visualizer error i am trying to make an android MediaPlayer with Visualization And Equalizer from the following tutorial the code that i am trying is…
1234567
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Foundation Zurb Equalizer Issue

I'm having trouble with Foundation Zurb's data equalizer plugin on a project I'm working on. The following code is what's in play:
Graham
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setBandLevel under Lollipop

Hey I made an equalizer app and now users are complaining about not being able to adjust bands when using Android 5.0. I don't think it's necessary to write down the whole MainActivity, touches are being received just like they would on other phones…
user2875404
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Is Equalizer.getNumberOfBands() always the same?

Im developing an audio app which should include an Equalizer. For that I want to save the presets for all albums. I just ask myself if Equalizer.getNumberOfBands() is always the same on a single device, so I can have presets generated without…
Paul Woitaschek
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Audio equalizer using FFmpeg or OpenAL

I'm developing audio player using FFmpeg and OpenAL libraries. I want to add audio equaliqer to my app, but I don't know how to do it. I tried to use OpenAL Equalizer effect extension, but I'm getting "Undefined value" error while initializing…
Evgeniy Kharchenko
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