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Questions tagged [equalizer]

188 questions
19
votes
3 answers

How to create equalizer for android

I want to create simple equalizer for android. How can I do it? Try to find some methods in MediaPlayer class. But all my attempts failed.
MistaGreen
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17
votes
3 answers

Creating a 10-Band Equalizer Using Web Audio API

I'm trying to wrap my head around using the Web Audio API to recreate something like Winamp's 10-band equalizer. (source: head-fi.org) From what I can gather, I have to create 10 Biquad Filters, set their type to 2 (for a Bandpass filter) and set…
idbehold
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13
votes
1 answer

Equalizer not always supported, even when api >= 9?

before enabling equalizer capabilities, I check for api level to make sure it's equal or greater than 9. From the reports I'm getting from my users, it seems that some exceptions are thrown anyway : the code eq = new Equalizer(0,…
elgui
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11
votes
2 answers

How to implement an Equalizer

I know there are a lot of questions about equalizers in so, but I didn't get what I was looking. What I want to do is an equalizer for modifying audio samples in such a way like: equalizer.eqAudio(audiosamples, band, gain) I'm not sure if that is…
Adrián Pérez
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10
votes
2 answers

Web audio API equalizer

I have been looking around for creating an audio equalizer using the Web audio API: http://webaudio.github.io/web-audio-api/ I found a lot of threads about creating a visualizer, but that is of course not what I want to do. I simply want to be able…
Charles
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10
votes
3 answers

Equalizer - Effect library not loaded

I have almost the same issue as where described here, answer in this post doesn't help me, I release my equalizer immediately after setting band levels to it. It works perfect on my 4.0.4 device, it works great on friend's 2.3.5 device, it crashes…
pavelkorolevxyz
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9
votes
4 answers

How to open the built in Equalizer programmatically in Android?

I have seen many apps opening systems in built Equalizer (google play music, Spotify, Samsung stock music player). Directly, without having to write their own from scratch. How do these apps do that? I couldn't find a solution. } else if (id ==…
abbie
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8
votes
2 answers

How to add iPod EQ when playing audio with AVPlayer?

I am able to play songs from iPod library using AVPlayer class. Now what I want to do is to insert equalizer to the audio produced. Anybody has experienced in doing this?
Fedry Kemilau
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8
votes
1 answer

Android Equalizer for API Level < 9

I'm looking for a way to use an equalizer within my app which does not rely on the android.media.audiofx package especially android.media.audiofx. Equalizer class because these are only available for api level > 9. Does anybody know about native…
senola
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8
votes
4 answers

Android audio effect limits to 5 bands

I use Android Audio Effect/Equalizer API for my app. However, it limits to 5 bands. Is there any document/library that helps to tune more bands for a finer equalizer implementation?
Bao Le
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7
votes
2 answers

UnsupportedOperationException AudioEffect: invalid parameter operation

I'm getting an UnsupportedOperationException error on an equalizer on this line of code. bassBoost.setStrength((short) bassBoostPos); Here's the code equalizer = new Equalizer(0, 0); if (equalizer != null) { equalizer.setEnabled…
Julia
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7
votes
1 answer

How to add stereo,treble options in audio equalizer?

I am trying to a small audio songs equalizer. I want to add in it options of treble,stereo like it is in Poweramp player. I implemented equlizer with 5 bands successfully like this:- public class FragmentEqualizer extends Fragment { @Override …
Animesh Mangla
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6
votes
1 answer

Sound with equalizer

I am trying to create an equalizer using C#. Seen NAudio quite a lot; however I could not find any working equalizer to work with NAudio. Considering I'm a little bit lost; I came here to ask a way to create or implement an equalizer in C#. Note:…
user3351963
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6
votes
2 answers

Add iPod Equalizer effect using AVPlayer

We are developing a music app using AVPlayer, which is at the end stage. Everything was on track until we started working on iPod Equalizer applying effects to the currents song. We are able to fetch the built in Equalizers list when we apply the…
Anand
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5
votes
0 answers

Audio equalizer

I'm trying to make a simple 10-bands equalizer with python. I have written two functions in order to make this but I have a issue with gain. I want to set a gain for each band but it not works. Here there is an example. It is required a mono-channel…
Federico
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