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How can I pass an audio file as input instead of recorded voice to Google search voice?


How can I pass an audio file as input instead of recorded voice to Google search voice?

By : santonil2003
Date : November 24 2020, 05:47 AM
it fixes the issue You cannot pass an audio file through the Android speech recognition API (as of Android v4.3).
code :


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How to get the recorded voice in the form of a file recorded using ACTION_RECOGNIZE_SPEECH android

How to get the recorded voice in the form of a file recorded using ACTION_RECOGNIZE_SPEECH android


By : user2643787
Date : March 29 2020, 07:55 AM
fixed the issue. Will look into that further I made this work using tutorial at http://www.ibm.com/developerworks/opensource/library/os-android-sensor/index.html.
Audio Signal when Voice Search Dialog is Ready to Accept Input?

Audio Signal when Voice Search Dialog is Ready to Accept Input?


By : Игорь Никулин
Date : March 29 2020, 07:55 AM
it fixes the issue Ok this will complicate your program, however, if you really want that signal consider implementing the speech recognition by an object instead of calling the intent or making your own activity.
(warning: much of this is speculation including the order of calls)
Audio recorded from microphone is muted during the voice call

Audio recorded from microphone is muted during the voice call


By : Mishal
Date : March 29 2020, 07:55 AM
wish helps you I would not call this normal, but you're entering platform-specific behavior here. Recording with AudioSource.MIC during a voice call will work on some devices, but not on others.
Just to name a few reasons that I've run into myself for why this functionality might've been disabled:
Can't play audio recorded from voice using AVCaptureAudioDataOutputSampleDelegate

Can't play audio recorded from voice using AVCaptureAudioDataOutputSampleDelegate


By : Max Platt
Date : March 29 2020, 07:55 AM
around this issue You were very close! You were capturing audio in the didOutputSampleBuffer callback, but that's a high frequency callback so you were creating a lot of AVAudioPlayers and passing them raw LPCM data, while they only know how to parse CoreAudio file types and then they were going out of scope anyway.
You can very easily play the buffers you're capturing with AVCaptureSession using AVAudioEngine's AVAudioPlayerNode, but at that point you may as well use AVAudioEngine to record from the microphone too:
code :
import UIKit
import AVFoundation

class ViewController: UIViewController {
    var engine = AVAudioEngine()

    override func viewDidLoad() {
        super.viewDidLoad()

        let input = engine.inputNode!
        let player = AVAudioPlayerNode()
        engine.attach(player)

        let bus = 0
        let inputFormat = input.inputFormat(forBus: bus)
        engine.connect(player, to: engine.mainMixerNode, format: inputFormat)

        input.installTap(onBus: bus, bufferSize: 512, format: inputFormat) { (buffer, time) -> Void in
            player.scheduleBuffer(buffer)
        }

        try! engine.start()
        player.play()
    }
}
How to change a recorded voice to a man's voice in Core Audio (Audio Unit/ Remote IO) for iPhone

How to change a recorded voice to a man's voice in Core Audio (Audio Unit/ Remote IO) for iPhone


By : user3912117
Date : March 29 2020, 07:55 AM
will be helpful for those in need What you are trying to do here is not that simple. Basically, you would have to implement a vocoder ("voice-coder") to change a voice. The Wikipedia links should help you there.
Then, you still have manipulate those samples in CoreAudio. You can do this using Audio Queue Services but that not exactly an easy-to-use API. It might actually be less trouble to use one of the simpler CoreAudio APIs and wrap your vocoder in an Audio Unit.
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