How to set AVAudioUnitEQ equalizer presets gain values for 10 frequency bands in iOS Swift
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1
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I could add an audio setup to change equalizer by changing slider values by
let FREQUENCY: [Float] = [31, 62, 125, 250, 500, 1000, 2000, 4000, 8000, 16000]
//let FREQUENCY: [Float] = [60, 230, 910, 3600, 14000]
self.audioEngine = AVAudioEngine.init()
self.audioPlayerNode = AVAudioPlayerNode.init()
self.audioUnitEQ = AVAudioUnitEQ(numberOfBands: 10)
self.audioEngine.attach(self.audioPlayerNode)
self.audioEngine.attach(self.audioUnitEQ)
for i in 0...9 {
self.audioUnitEQ.bands[i].filterType = .parametric
self.audioUnitEQ.bands[i].frequency = FREQUENCY[i]
self.audioUnitEQ.bands[i].bandwidth = 0.5 // half an octave
let eq = self.value(forKey: String(format: "eq%d", i)) as! UISlider
self.audioUnitEQ.bands[i].gain = eq.value
self.audioUnitEQ.bands[i].bypass = false
}
But Is there any method to change gain values or set equalizer presets like Accoustics, Rock etc. How to set their gain values for those presets
ios swift avplayer equalizer preset
asked Nov 19 at 8:20
Dinesh Kumar
658
add a comment |
up vote
1
down vote
favorite
I could add an audio setup to change equalizer by changing slider values by
let FREQUENCY: [Float] = [31, 62, 125, 250, 500, 1000, 2000, 4000, 8000, 16000]
//let FREQUENCY: [Float] = [60, 230, 910, 3600, 14000]
self.audioEngine = AVAudioEngine.init()
self.audioPlayerNode = AVAudioPlayerNode.init()
self.audioUnitEQ = AVAudioUnitEQ(numberOfBands: 10)
self.audioEngine.attach(self.audioPlayerNode)
self.audioEngine.attach(self.audioUnitEQ)
for i in 0...9 {
self.audioUnitEQ.bands[i].filterType = .parametric
self.audioUnitEQ.bands[i].frequency = FREQUENCY[i]
self.audioUnitEQ.bands[i].bandwidth = 0.5 // half an octave
let eq = self.value(forKey: String(format: "eq%d", i)) as! UISlider
self.audioUnitEQ.bands[i].gain = eq.value
self.audioUnitEQ.bands[i].bypass = false
}
But Is there any method to change gain values or set equalizer presets like Accoustics, Rock etc. How to set their gain values for those presets
ios swift avplayer equalizer preset
asked Nov 19 at 8:20
Dinesh Kumar
658
add a comment |
up vote
1
down vote
favorite
up vote
1
down vote
favorite
I could add an audio setup to change equalizer by changing slider values by
let FREQUENCY: [Float] = [31, 62, 125, 250, 500, 1000, 2000, 4000, 8000, 16000]
//let FREQUENCY: [Float] = [60, 230, 910, 3600, 14000]
self.audioEngine = AVAudioEngine.init()
self.audioPlayerNode = AVAudioPlayerNode.init()
self.audioUnitEQ = AVAudioUnitEQ(numberOfBands: 10)
self.audioEngine.attach(self.audioPlayerNode)
self.audioEngine.attach(self.audioUnitEQ)
for i in 0...9 {
self.audioUnitEQ.bands[i].filterType = .parametric
self.audioUnitEQ.bands[i].frequency = FREQUENCY[i]
self.audioUnitEQ.bands[i].bandwidth = 0.5 // half an octave
let eq = self.value(forKey: String(format: "eq%d", i)) as! UISlider
self.audioUnitEQ.bands[i].gain = eq.value
self.audioUnitEQ.bands[i].bypass = false
}
But Is there any method to change gain values or set equalizer presets like Accoustics, Rock etc. How to set their gain values for those presets
ios swift avplayer equalizer preset
asked Nov 19 at 8:20
Dinesh Kumar
658
I could add an audio setup to change equalizer by changing slider values by
let FREQUENCY: [Float] = [31, 62, 125, 250, 500, 1000, 2000, 4000, 8000, 16000]
//let FREQUENCY: [Float] = [60, 230, 910, 3600, 14000]
self.audioEngine = AVAudioEngine.init()
self.audioPlayerNode = AVAudioPlayerNode.init()
self.audioUnitEQ = AVAudioUnitEQ(numberOfBands: 10)
self.audioEngine.attach(self.audioPlayerNode)
self.audioEngine.attach(self.audioUnitEQ)
for i in 0...9 {
self.audioUnitEQ.bands[i].filterType = .parametric
self.audioUnitEQ.bands[i].frequency = FREQUENCY[i]
self.audioUnitEQ.bands[i].bandwidth = 0.5 // half an octave
let eq = self.value(forKey: String(format: "eq%d", i)) as! UISlider
self.audioUnitEQ.bands[i].gain = eq.value
self.audioUnitEQ.bands[i].bypass = false
}
But Is there any method to change gain values or set equalizer presets like Accoustics, Rock etc. How to set their gain values for those presets
ios swift avplayer equalizer preset
ios swift avplayer equalizer preset
asked Nov 19 at 8:20
Dinesh Kumar
658
asked Nov 19 at 8:20
Dinesh Kumar
658
edited Nov 19 at 10:08
asked Nov 19 at 8:20
Dinesh Kumar
658
asked Nov 19 at 8:20
Dinesh Kumar
658
asked Nov 19 at 8:20
Dinesh Kumar
658
658
add a comment |
add a comment |
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