audio-recording

问题 Is it possible while playing music from iPod library using MPMusicPlayerController, recording voice form mic on iPhone? If possible, any sample or code? 来源： https://stackoverflow.com/questions/13826065/iphone-record-audio-from-mic-while-playing-music-from-ipod-library-using-mpmusic

问题 Is it possible while playing music from iPod library using MPMusicPlayerController, recording voice form mic on iPhone? If possible, any sample or code? 来源： https://stackoverflow.com/questions/13826065/iphone-record-audio-from-mic-while-playing-music-from-ipod-library-using-mpmusic

问题 Is it possible while playing music from iPod library using MPMusicPlayerController, recording voice form mic on iPhone? If possible, any sample or code? 来源： https://stackoverflow.com/questions/13826065/iphone-record-audio-from-mic-while-playing-music-from-ipod-library-using-mpmusic

问题 Is it possible while playing music from iPod library using MPMusicPlayerController, recording voice form mic on iPhone? If possible, any sample or code? 来源： https://stackoverflow.com/questions/13826065/iphone-record-audio-from-mic-while-playing-music-from-ipod-library-using-mpmusic

问题 I have been trying to modify some code found at the bottom of this page in order to hijack system audio with Java. Here's the part that I modified in captureAudio(): Mixer mixer = AudioSystem.getMixer(mixerInfo[0]); // "Java Sound Audio Engine" final TargetDataLine line = (TargetDataLine) mixer.getLine(info); Now when I run this code, it throws this: Exception in thread "AWT-EventQueue-0" java.lang.IllegalArgumentException: Line unsupported: interface TargetDataLine supporting format PCM

问题 I have been trying to modify some code found at the bottom of this page in order to hijack system audio with Java. Here's the part that I modified in captureAudio(): Mixer mixer = AudioSystem.getMixer(mixerInfo[0]); // "Java Sound Audio Engine" final TargetDataLine line = (TargetDataLine) mixer.getLine(info); Now when I run this code, it throws this: Exception in thread "AWT-EventQueue-0" java.lang.IllegalArgumentException: Line unsupported: interface TargetDataLine supporting format PCM

问题 I am a new in this field, maybe what I ask it's impossible to implement. What I try to do is - recording an audio with n-channels to WAV file with n-channels. I use arecord utility: arecord --format=S16_LE --channels=8 --rate=16000 --file-type=wav myfile.wav In my input I see different channels: But in output of recording I see all channels are mixed: Is it possible to record WAV file without mixing channels? Is it possible to record each channel to separate channel? 来源： https://stackoverflow

问题 I am working with audio recording in windows 10 universal app, i found code here when i run that code it showing "No suitable transform was found to encode or decode the content" error, in phone any one please help me to resolve this issue. 回答1: when i run that code it showing "No suitable transform was found to encode or decode the content" error If you refer to MediaEncodingProfile.CreateMp3, you will see the following paragraph. Note While it is technically possible to call CreateMp3, you

问题 This question already has answers here : Closed 8 years ago . Possible Duplicate: Overlay images onto Camera preview SurfaceView Hi I want to create a custom camera preview widget and display current time on preview. how to add text on preview and Record Video. Please give me some idea? 回答1: This question has already been answered. Refer this thread: Overlay images onto Camera preview SurfaceView Here's a blog post with sample code: http://android-er.blogspot.in/2010/12/add-overlay-on-camera

问题 Adding microphone audio input to AVCaptureSession seems to disable UIImpactFeedbackGenerator . let audioDevice = AVCaptureDevice.defaultDevice(withMediaType: AVMediaTypeAudio) let audioDeviceInput = try AVCaptureDeviceInput(device: audioDevice) if self.session.canAddInput(audioDeviceInput) { self.session.addInput(audioDeviceInput) } Once the audio device is removed, feedback resumes. Is this normal behavior? Is there a way around this? I notice stock iOS Camera app in video mode and long