我正在開發一個將播放特定音頻的Android應用程序。該音頻由代碼生成。我的問題是我需要的採樣率高達100KHz,但我收到如下錯誤信息。誰能知道如何設置採樣率爲100KHz與AudioTrack
。謝謝。如何在Android中使用AudioTrack將採樣率設置爲100KHz?
PS:據我所知,只有AudioTrack
可以修改的音頻數據,這就是爲什麼我用AudioTrack
---------------代碼開始----- --------------
audioTrack = new AudioTrack(AudioManager.STREAM_MUSIC,
100000,
AudioFormat.ENCODING_PCM_16BIT,
(int)minSize,
AudioTrack.MODE_STREAM);
---------------日誌開始--------- -----------
> D/AndroidRuntime(7952): Shutting down VM E/AndroidRuntime(7952):
> FATAL EXCEPTION: main E/AndroidRuntime(7952):
> java.lang.RuntimeException: Unable to start activity
> ComponentInfo{com.examples.audiotracktest/com.examples.audiotracktest.AudioTrackTest}:
> java.lang.IllegalArgumentException: 100000Hz is not a supported sample
> rate. E/AndroidRuntime(7952): at
> android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1830)
> E/AndroidRuntime(7952): at
> android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1851)
> E/AndroidRuntime(7952): at
> android.app.ActivityThread.access$1500(ActivityThread.java:132)
> E/AndroidRuntime(7952): at
> android.app.ActivityThread$H.handleMessage(ActivityThread.java:1038)
> E/AndroidRuntime(7952): at
> android.os.Handler.dispatchMessage(Handler.java:99) E/AndroidRuntime(
> 7952): at android.os.Looper.loop(Looper.java:150) E/AndroidRuntime(
> 7952): at android.app.ActivityThread.main(ActivityThread.java:4293)
> E/AndroidRuntime(7952): at
> java.lang.reflect.Method.invokeNative(Native Method) E/AndroidRuntime(
> 7952): at java.lang.reflect.Method.invoke(Method.java:507)
> E/AndroidRuntime(7952): at
> com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:849)
> E/AndroidRuntime(7952): at
> com.android.internal.os.ZygoteInit.main(ZygoteInit.java:607)
> E/AndroidRuntime(7952): at dalvik.system.NativeStart.main(Native
> Method) E/AndroidRuntime(7952): Caused by:
> java.lang.IllegalArgumentException: 100000Hz is not a supported sample
> rate. E/AndroidRuntime(7952): at
> android.media.AudioTrack.audioParamCheck(AudioTrack.java:369)
> E/AndroidRuntime(7952): at
> android.media.AudioTrack.<init>(AudioTrack.java:312) E/AndroidRuntime(
> 7952): at android.media.AudioTrack.<init>(AudioTrack.java:265)
> E/AndroidRuntime(7952): at
> com.examples.audiotracktest.AndroidAudioDevice.<init>(AndroidAudioDevice.java:21)
> E/AndroidRuntime(7952): at
> com.examples.audiotracktest.AudioThread.<init>(AudioThread.java:11)
> E/AndroidRuntime(7952): at
> com.examples.audiotracktest.AudioTrackTest.onCreate(AudioTrackTest.java:29)
> E/AndroidRuntime(7952): at
> android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1072)
> E/AndroidRuntime(7952): at
> android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1794)
> E/AndroidRuntime(7952): ... 11 more