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Commit a217f8f9 authored by Glenn Kasten's avatar Glenn Kasten
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Explain ENCODING_PCM_FLOAT 

Change-Id: Icf680f65f07023ca6e416a1ef6067132daf607b9
parent b2d29563

media/java/android/media/AudioDeviceInfo.java

+3 −2
Original line number Diff line number Diff line
@@ -221,8 +221,9 @@ public final class AudioDeviceInfo { 
     * @return An array of audio encodings (e.g. {@link AudioFormat#ENCODING_PCM_16BIT},

     * {@link AudioFormat#ENCODING_PCM_FLOAT}) supported by the audio device.

     * <code>ENCODING_PCM_FLOAT</code> indicates the device supports more

     * than 16 bits of integer precision.  Specifying <code>ENCODING_PCM_FLOAT</code>

     * with {@link AudioTrack} or {@link AudioRecord} can preserve at least 24 bits of

     * than 16 bits of integer precision.  As there is no AudioFormat constant

     * specifically defined for 24-bit PCM, the value <code>ENCODING_PCM_FLOAT</code>

     * indicates that {@link AudioTrack} or {@link AudioRecord} can preserve at least 24 bits of

     * integer precision to that device.

     *

     * @see AudioFormat