2014/10/16 上午 08:10:18

android Programming Glossary: audiobuffer

How to record audio/voice in background contineously in android?

http://stackoverflow.com/questions/10025824/how-to-record-audio-voice-in-background-contineously-in-android

INITIALIZING READY RECORDING ERROR STOPPED private byte audioBuffer null private int source MediaRecorder.AudioSource.MIC private.. AudioRecord source sampleRate nChannels encoder bufferSize audioBuffer new byte 2048 audioRecorder.setRecordPositionUpdateListener.. Here You can read your Audio Buffers audioRecorder.read audioBuffer 0 2048 t.setPriority Thread.MAX_PRIORITY t.start else Log.e..

Android audio FFT to retrieve specific frequency magnitude using audiorecord

http://stackoverflow.com/questions/5774104/android-audio-fft-to-retrieve-specific-frequency-magnitude-using-audiorecord

format bufferSize The audio is then read in short audioBuffer new short bufferSize audioInput.startRecording audioInput.read.. short bufferSize audioInput.startRecording audioInput.read audioBuffer 0 bufferSize Performing an FFT is where I become stuck as I..

Voice Detection in Android Application

http://stackoverflow.com/questions/7955041/voice-detection-in-android-application

audioRecorder.startRecording int numberOfReadBytes 0 byte audioBuffer new byte bufferSizeInBytes boolean recording false float tempFloatBuffer.. 0.0f short sample 0 numberOfReadBytes audioRecorder.read audioBuffer 0 bufferSizeInBytes Analyze Sound. for int i 0 i bufferSizeInBytes.. Sound. for int i 0 i bufferSizeInBytes i 2 sample short audioBuffer i audioBuffer i 1 8 totalAbsValue Math.abs sample numberOfReadBytes..

Android: Listener to record sound if any sound occurs

http://stackoverflow.com/questions/9323452/android-listener-to-record-sound-if-any-sound-occurs

How to record audio/voice in background contineously in android?

http://stackoverflow.com/questions/10025824/how-to-record-audio-voice-in-background-contineously-in-android

android.util.Log public class AudioRecorder public enum State INITIALIZING READY RECORDING ERROR STOPPED private byte audioBuffer null private int source MediaRecorder.AudioSource.MIC private int sampleRate 0 private int encoder 0 private int nChannels.. size to Integer.toString bufferSize audioRecorder new AudioRecord source sampleRate nChannels encoder bufferSize audioBuffer new byte 2048 audioRecorder.setRecordPositionUpdateListener updateListener audioRecorder.setPositionNotificationPeriod framePeriod.. state State.RECORDING t new Thread public void run Here You can read your Audio Buffers audioRecorder.read audioBuffer 0 2048 t.setPriority Thread.MAX_PRIORITY t.start else Log.e AudioRecorder.class.getName start called on illegal state..

Android audio FFT to retrieve specific frequency magnitude using audiorecord

http://stackoverflow.com/questions/5774104/android-audio-fft-to-retrieve-specific-frequency-magnitude-using-audiorecord

audioInput new AudioRecord AudioSource.MIC sampleSize channel_config format bufferSize The audio is then read in short audioBuffer new short bufferSize audioInput.startRecording audioInput.read audioBuffer 0 bufferSize Performing an FFT is where I become.. bufferSize The audio is then read in short audioBuffer new short bufferSize audioInput.startRecording audioInput.read audioBuffer 0 bufferSize Performing an FFT is where I become stuck as I have very little experience in this area. I have been trying..

Voice Detection in Android Application

http://stackoverflow.com/questions/7955041/voice-detection-in-android-application

bufferSizeInBytes Start Recording. audioRecorder.startRecording int numberOfReadBytes 0 byte audioBuffer new byte bufferSizeInBytes boolean recording false float tempFloatBuffer new float 3 int tempIndex 0 int totalReadBytes.. data come from microphone. while true float totalAbsValue 0.0f short sample 0 numberOfReadBytes audioRecorder.read audioBuffer 0 bufferSizeInBytes Analyze Sound. for int i 0 i bufferSizeInBytes i 2 sample short audioBuffer i audioBuffer i 1 8 totalAbsValue.. audioRecorder.read audioBuffer 0 bufferSizeInBytes Analyze Sound. for int i 0 i bufferSizeInBytes i 2 sample short audioBuffer i audioBuffer i 1 8 totalAbsValue Math.abs sample numberOfReadBytes 2 Analyze temp buffer. tempFloatBuffer tempIndex 3..

Android: Listener to record sound if any sound occurs

http://stackoverflow.com/questions/9323452/android-listener-to-record-sound-if-any-sound-occurs

RECORDER_AUDIO_ENCODING bufferSizeInBytes Start Recording. audioRecorder.startRecording int numberOfReadBytes 0 byte audioBuffer new byte bufferSizeInBytes boolean recording false float tempFloatBuffer new float 3 int tempIndex 0 int totalReadBytes.. data come from microphone. while true float totalAbsValue 0.0f short sample 0 numberOfReadBytes audioRecorder.read audioBuffer 0 bufferSizeInBytes Analyze Sound. for int i 0 i bufferSizeInBytes i 2 sample short audioBuffer i audioBuffer i 1 8 totalAbsValue.. audioRecorder.read audioBuffer 0 bufferSizeInBytes Analyze Sound. for int i 0 i bufferSizeInBytes i 2 sample short audioBuffer i audioBuffer i 1 8 totalAbsValue Math.abs sample numberOfReadBytes 2 Analyze temp buffer. tempFloatBuffer tempIndex 3..