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android - Cannot initialize a valid AudioRecord - Stack ...
https://stackoverflow.com/questions/37343620/cannot-initialize-a-valid-audiorecord
The solutions I've found for this problem have been to make sure the permission is correct and is in the right place ( check ), to make sure to call release () on all AudioRecord instances ( check ), to restart the phone ( check) and to use a method of finding a valid combination of sample rate, audio format and channel configuration ( check ).
Android AudioRecord initialization fails every time ...
https://www.tutorialguruji.com/android/android-audiorecord-initialization-fails-every-time/
I do the following to create the AudioRecord: bufferSize = AudioRecord.getMinBufferSize(8000, CHANNEL_IN_MONO, ENCODING_PCM_8BIT); audioRecorder = new AudioRecord(AudioSource.MIC, 8000, CHANNEL_IN_MONO, ENCODING_PCM_8BIT, 50*bufferSize); if (audioRecorder.getState() != …
AudioRecord - Android Developers
https://developer.android.com/reference/android/media/AudioRecord
AudioRecord | Android Developers. Language English Bahasa Indonesia Español – América Latina Português – Brasil 中文 – 简体 日本語 한국어. Documentation. Overview Guides Reference Samples Design & Quality. Platform. Android Studio. Google Play. Jetpack. Kotlin.
Android AudioRecord won't initialize
https://www.py4u.net/discuss/657360
I'm using the Android class AudioRecord, and when trying to instantiate AudioRecord I get three errors. AudioRecord: AudioFlinger could not create record track, status: - 1 AudioRecord-JNI: Error creating AudioRecord instance: initialization check failed with status - 1. android.media.AudioRecord: Error code - 20 when initializing native AudioRecord object.
Android 录音实现（AudioRecord） - 简书
https://www.jianshu.com/p/90c4071c7768
AudioRecord. 首先看看Android帮助文档中对该类的简单概述: AndioRecord 类的主要功能是让各种 Java 应用能够管理音频资源，以便它们通过此类能够录制平台的声音输入硬件所收集的声音。此功能的实现就是通过 "pulling 同步"（reading读取）AudioRecord 对象的声音数据来完成 ...
Crash when failed to initialize android jni dev - PJSIP
https://trac.pjsip.org/repos/ticket/1939
E/android.media.AudioRecord: Error code -20 when initializing native AudioRecord object. E/AudioRecord: AudioFlinger could not create record track, status: -1 E/AudioRecord-JNI: Error creating AudioRecord instance: initialization check failed with status -1. E/android.media.AudioRecord: Error code -20 when initializing native AudioRecord object. …
Recording .Wav with Android AudioRecorder | Newbedev
https://newbedev.com/recording-wav-with-android-audiorecorder
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Cannot initialize Visualizer engine, error: -3 · Issue #19 ...
https://github.com/gauravk95/audio-visualizer-android/issues/19
Getting “Cannot initialize Visualizer engine, error: -3” when trying to use Visualizer with ExoPlayer The text was updated successfully, but these errors were encountered: We are unable to convert the task to an issue at this time.
Recording Audio on Android with Examples - Dolby.io
https://dolby.io/blog/recording-audio-on-android-with-examples/
private void writeAudioData(String fileName) { // to be called in a Runnable for a Thread created after call to startRecording() byte[] data = new byte[BUFFER_SIZE_RECORDING/2]; // assign size so that bytes are read in in chunks inferior to AudioRecord internal buffer size FileOutputStream outputStream = null; try { outputStream = new FileOutputStream(fileName); …
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