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POGetting error "only supports bitsPerSample 8 or 16"
 

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  1. POGetting error "only supports bitsPerSample 8 or 16"
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    <p>I want to compare two audio file, so for this I'm using library <a href="https://code.google.com/p/musicg/" rel="nofollow">musicg</a>. but i'm getting an error "WaveHeader: only supports bitsPerSample 8 or 16"</p> <p>Code :</p> <pre><code>String root = getExternalFilesDir(null).toString(); Log.i(TAG, root); String bell1 = "bell1.wav"; String bell2 = "DOORBELL-3_SPLITTED.wav"; String fullPath1 = root + File.separator + bell1; String fullPath2 = root + File.separator + bell2; Log.i(TAG, "Full Path 1: " + fullPath1); Log.i(TAG, "Full Path 2: " + fullPath2); File f = new File(fullPath2); Log.i(TAG, "" + f.canRead()); Wave b1 = new Wave(fullPath1); Wave b2 = new Wave(fullPath2); </code></pre> <p>and i'm getting following error.</p> <p>StackTrace :</p> <pre><code>11-25 00:17:08.597: I/MainActivity(26472): /storage/sdcard0/Android/data/com.musicg.demo.android/files 11-25 00:17:08.597: I/MainActivity(26472): Full Path 1: /storage/sdcard0/Android/data/com.musicg.demo.android/files/bell1.wav 11-25 00:17:08.597: I/MainActivity(26472): Full Path 2: /storage/sdcard0/Android/data/com.musicg.demo.android/files/DOORBELL-3_SPLITTED.wav 11-25 00:17:08.597: I/MainActivity(26472): true 11-25 00:17:08.602: W/System.err(26472): WaveHeader: only supports bitsPerSample 8 or 16 11-25 00:17:08.602: W/System.err(26472): Invalid Wave Header 11-25 00:17:08.602: I/MainActivity(26472): Length : 0.25 11-25 00:17:08.602: I/MainActivity(26472): Size : 48001 11-25 00:17:08.602: I/MainActivity(26472): Length : NaN 11-25 00:17:08.602: D/AndroidRuntime(26472): Shutting down VM 11-25 00:17:08.602: W/dalvikvm(26472): threadid=1: thread exiting with uncaught exception (group=0x41e542a0) 11-25 00:17:08.612: E/AndroidRuntime(26472): FATAL EXCEPTION: main 11-25 00:17:08.612: E/AndroidRuntime(26472): java.lang.NullPointerException 11-25 00:17:08.612: E/AndroidRuntime(26472): at com.musicg.wave.Wave.size(Wave.java:255) 11-25 00:17:08.612: E/AndroidRuntime(26472): at com.musicg.demo.android.MainActivity$ClickEvent.onClick(MainActivity.java:139) 11-25 00:17:08.612: E/AndroidRuntime(26472): at android.view.View.performClick(View.java:4261) 11-25 00:17:08.612: E/AndroidRuntime(26472): at android.view.View$PerformClick.run(View.java:17356) 11-25 00:17:08.612: E/AndroidRuntime(26472): at android.os.Handler.handleCallback(Handler.java:615) 11-25 00:17:08.612: E/AndroidRuntime(26472): at android.os.Handler.dispatchMessage(Handler.java:92) 11-25 00:17:08.612: E/AndroidRuntime(26472): at android.os.Looper.loop(Looper.java:137) 11-25 00:17:08.612: E/AndroidRuntime(26472): at android.app.ActivityThread.main(ActivityThread.java:4921) 11-25 00:17:08.612: E/AndroidRuntime(26472): at java.lang.reflect.Method.invokeNative(Native Method) 11-25 00:17:08.612: E/AndroidRuntime(26472): at java.lang.reflect.Method.invoke(Method.java:511) 11-25 00:17:08.612: E/AndroidRuntime(26472): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1038) 11-25 00:17:08.612: E/AndroidRuntime(26472): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:805) 11-25 00:17:08.612: E/AndroidRuntime(26472): at dalvik.system.NativeStart.main(Native Method) </code></pre>
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    1. PTQuestion
    1. USHassan
    1. USArsalan
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      1. LTLinked
    1. This table or related slice is empty.
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    1. COWhat is there on line Wave.java:255 and MainActivity.java:139?
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      1. POGetting error "only supports bitsPerSample 8 or 16"
      1. USJoel Fernandes
    2. COI haven't looked at musicg source so I cannot be sure. But what I think is happening, is that musicg only supports bits per Sample size of 8 or 16. So when it reads the wave file, it parses the header and throws an error if the bitsPerSample is not 8 or 16. Might be worth trying another audio file which has one of these sample sizes. There's other libraries out there that may support different bitsPerSample or atleast parse the file and allow you to read this info to make sure this speculation is true (like for example libsndfile).
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      1. POGetting error "only supports bitsPerSample 8 or 16"
      1. USSun
    3. CO@Sun can you suggest a good library for offline audio sound detection in java.
      singulars
      1. POGetting error "only supports bitsPerSample 8 or 16"
      1. USArsalan
 

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