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/frameworks/base/data/sounds/
DAllAudio.mk18 $(LOCAL_PATH)/Alarm_Beep_01.ogg:system/media/audio/alarms/Alarm_Beep_01.ogg \
19 $(LOCAL_PATH)/Alarm_Beep_02.ogg:system/media/audio/alarms/Alarm_Beep_02.ogg \
20 $(LOCAL_PATH)/Alarm_Beep_03.ogg:system/media/audio/alarms/Alarm_Beep_03.ogg \
21 $(LOCAL_PATH)/Alarm_Buzzer.ogg:system/media/audio/alarms/Alarm_Buzzer.ogg \
22 $(LOCAL_PATH)/Alarm_Classic.ogg:system/media/audio/alarms/Alarm_Classic.ogg \
23 $(LOCAL_PATH)/Alarm_Rooster_02.ogg:system/media/audio/alarms/Alarm_Rooster_02.ogg \
24 $(LOCAL_PATH)/alarms/ogg/Argon.ogg:system/media/audio/alarms/Argon.ogg \
25 $(LOCAL_PATH)/alarms/ogg/Barium.ogg:system/media/audio/alarms/Barium.ogg \
26 $(LOCAL_PATH)/alarms/ogg/Carbon.ogg:system/media/audio/alarms/Carbon.ogg \
27 $(LOCAL_PATH)/alarms/ogg/Cesium.ogg:system/media/audio/alarms/Cesium.ogg \
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DAudioPackage2.mk13 $(LOCAL_PATH)/F1_MissedCall.ogg:system/media/audio/notifications/F1_MissedCall.ogg \
14 $(LOCAL_PATH)/F1_New_MMS.ogg:system/media/audio/notifications/F1_New_MMS.ogg \
15 $(LOCAL_PATH)/F1_New_SMS.ogg:system/media/audio/notifications/F1_New_SMS.ogg \
16 $(LOCAL_PATH)/Alarm_Buzzer.ogg:system/media/audio/alarms/Alarm_Buzzer.ogg \
17 $(LOCAL_PATH)/Alarm_Beep_01.ogg:system/media/audio/alarms/Alarm_Beep_01.ogg \
18 $(LOCAL_PATH)/Alarm_Beep_02.ogg:system/media/audio/alarms/Alarm_Beep_02.ogg \
19 $(LOCAL_PATH)/Alarm_Classic.ogg:system/media/audio/alarms/Alarm_Classic.ogg \
20 $(LOCAL_PATH)/Alarm_Beep_03.ogg:system/media/audio/alarms/Alarm_Beep_03.ogg \
21 $(LOCAL_PATH)/Alarm_Rooster_02.ogg:system/media/audio/alarms/Alarm_Rooster_02.ogg \
22 $(LOCAL_PATH)/Ring_Classic_02.ogg:system/media/audio/ringtones/Ring_Classic_02.ogg \
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DAudioPackage4.mk13 $(LOCAL_PATH)/F1_MissedCall.ogg:system/media/audio/notifications/F1_MissedCall.ogg \
14 $(LOCAL_PATH)/F1_New_MMS.ogg:system/media/audio/notifications/F1_New_MMS.ogg \
15 $(LOCAL_PATH)/F1_New_SMS.ogg:system/media/audio/notifications/F1_New_SMS.ogg \
16 $(LOCAL_PATH)/Alarm_Buzzer.ogg:system/media/audio/alarms/Alarm_Buzzer.ogg \
17 $(LOCAL_PATH)/Alarm_Beep_01.ogg:system/media/audio/alarms/Alarm_Beep_01.ogg \
18 $(LOCAL_PATH)/Alarm_Beep_02.ogg:system/media/audio/alarms/Alarm_Beep_02.ogg \
19 $(LOCAL_PATH)/Alarm_Classic.ogg:system/media/audio/alarms/Alarm_Classic.ogg \
20 $(LOCAL_PATH)/Alarm_Beep_03.ogg:system/media/audio/alarms/Alarm_Beep_03.ogg \
21 $(LOCAL_PATH)/Alarm_Rooster_02.ogg:system/media/audio/alarms/Alarm_Rooster_02.ogg \
22 …$(LOCAL_PATH)/notifications/Beat_Box_Android.ogg:system/media/audio/notifications/Beat_Box_Android…
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DAudioPackage3.mk13 $(LOCAL_PATH)/F1_MissedCall.ogg:system/media/audio/notifications/F1_MissedCall.ogg \
14 $(LOCAL_PATH)/F1_New_MMS.ogg:system/media/audio/notifications/F1_New_MMS.ogg \
15 $(LOCAL_PATH)/F1_New_SMS.ogg:system/media/audio/notifications/F1_New_SMS.ogg \
16 $(LOCAL_PATH)/Alarm_Buzzer.ogg:system/media/audio/alarms/Alarm_Buzzer.ogg \
17 $(LOCAL_PATH)/Alarm_Beep_01.ogg:system/media/audio/alarms/Alarm_Beep_01.ogg \
18 $(LOCAL_PATH)/Alarm_Beep_02.ogg:system/media/audio/alarms/Alarm_Beep_02.ogg \
19 $(LOCAL_PATH)/Alarm_Classic.ogg:system/media/audio/alarms/Alarm_Classic.ogg \
20 $(LOCAL_PATH)/Alarm_Beep_03.ogg:system/media/audio/alarms/Alarm_Beep_03.ogg \
21 $(LOCAL_PATH)/Alarm_Rooster_02.ogg:system/media/audio/alarms/Alarm_Rooster_02.ogg \
22 $(LOCAL_PATH)/Ring_Classic_02.ogg:system/media/audio/ringtones/Ring_Classic_02.ogg \
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DAudioPackage5.mk11 $(LOCAL_PATH)/Alarm_Buzzer.ogg:system/media/audio/alarms/Alarm_Buzzer.ogg \
12 $(LOCAL_PATH)/Alarm_Beep_01.ogg:system/media/audio/alarms/Alarm_Beep_01.ogg \
13 $(LOCAL_PATH)/Alarm_Beep_02.ogg:system/media/audio/alarms/Alarm_Beep_02.ogg \
14 $(LOCAL_PATH)/Alarm_Classic.ogg:system/media/audio/alarms/Alarm_Classic.ogg \
15 $(LOCAL_PATH)/Alarm_Beep_03.ogg:system/media/audio/alarms/Alarm_Beep_03.ogg \
16 $(LOCAL_PATH)/effects/Effect_Tick.ogg:system/media/audio/ui/Effect_Tick.ogg \
17 $(LOCAL_PATH)/effects/KeypressStandard.ogg:system/media/audio/ui/KeypressStandard.ogg \
18 $(LOCAL_PATH)/effects/KeypressSpacebar.ogg:system/media/audio/ui/KeypressSpacebar.ogg \
19 $(LOCAL_PATH)/effects/KeypressDelete.ogg:system/media/audio/ui/KeypressDelete.ogg \
20 $(LOCAL_PATH)/effects/KeypressInvalid.ogg:system/media/audio/ui/KeypressInvalid.ogg \
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DOriginalAudio.mk12 $(LOCAL_PATH)/F1_MissedCall.ogg:system/media/audio/notifications/F1_MissedCall.ogg \
13 $(LOCAL_PATH)/F1_New_MMS.ogg:system/media/audio/notifications/F1_New_MMS.ogg \
14 $(LOCAL_PATH)/F1_New_SMS.ogg:system/media/audio/notifications/F1_New_SMS.ogg \
15 $(LOCAL_PATH)/Alarm_Buzzer.ogg:system/media/audio/alarms/Alarm_Buzzer.ogg \
16 $(LOCAL_PATH)/Alarm_Beep_01.ogg:system/media/audio/alarms/Alarm_Beep_01.ogg \
17 $(LOCAL_PATH)/Alarm_Beep_02.ogg:system/media/audio/alarms/Alarm_Beep_02.ogg \
18 $(LOCAL_PATH)/Alarm_Classic.ogg:system/media/audio/alarms/Alarm_Classic.ogg \
19 $(LOCAL_PATH)/Alarm_Beep_03.ogg:system/media/audio/alarms/Alarm_Beep_03.ogg \
20 $(LOCAL_PATH)/Alarm_Rooster_02.ogg:system/media/audio/alarms/Alarm_Rooster_02.ogg \
21 $(LOCAL_PATH)/Ring_Classic_02.ogg:system/media/audio/ringtones/Ring_Classic_02.ogg \
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DAudioPackage8.mk11 $(LOCAL_PATH)/alarms/ogg/Cesium.ogg:system/media/audio/alarms/Cesium.ogg \
12 $(LOCAL_PATH)/alarms/ogg/Fermium.ogg:system/media/audio/alarms/Fermium.ogg \
13 $(LOCAL_PATH)/alarms/ogg/Hassium.ogg:system/media/audio/alarms/Hassium.ogg \
14 $(LOCAL_PATH)/alarms/ogg/Neptunium.ogg:system/media/audio/alarms/Neptunium.ogg \
15 $(LOCAL_PATH)/alarms/ogg/Nobelium.ogg:system/media/audio/alarms/Nobelium.ogg \
16 $(LOCAL_PATH)/alarms/ogg/Osmium.ogg:system/media/audio/alarms/Osmium.ogg \
17 $(LOCAL_PATH)/alarms/ogg/Plutonium.ogg:system/media/audio/alarms/Plutonium.ogg \
18 $(LOCAL_PATH)/alarms/ogg/Promethium.ogg:system/media/audio/alarms/Promethium.ogg \
19 $(LOCAL_PATH)/effects/ogg/Effect_Tick.ogg:system/media/audio/ui/Effect_Tick.ogg \
20 $(LOCAL_PATH)/effects/ogg/KeypressStandard.ogg:system/media/audio/ui/KeypressStandard.ogg \
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DAudioPackage10.mk11 $(LOCAL_PATH)/alarms/ogg/Argon.ogg:system/media/audio/alarms/Argon.ogg \
12 $(LOCAL_PATH)/alarms/ogg/Carbon.ogg:system/media/audio/alarms/Carbon.ogg \
13 $(LOCAL_PATH)/alarms/ogg/Helium.ogg:system/media/audio/alarms/Helium.ogg \
14 $(LOCAL_PATH)/alarms/ogg/Krypton.ogg:system/media/audio/alarms/Krypton.ogg \
15 $(LOCAL_PATH)/alarms/ogg/Neon.ogg:system/media/audio/alarms/Neon.ogg \
16 $(LOCAL_PATH)/alarms/ogg/Oxygen.ogg:system/media/audio/alarms/Oxygen.ogg \
17 $(LOCAL_PATH)/alarms/ogg/Osmium.ogg:system/media/audio/alarms/Osmium.ogg \
18 $(LOCAL_PATH)/alarms/ogg/Platinum.ogg:system/media/audio/alarms/Platinum.ogg \
19 $(LOCAL_PATH)/effects/ogg/Effect_Tick_48k.ogg:system/media/audio/ui/Effect_Tick.ogg \
20 $(LOCAL_PATH)/effects/ogg/KeypressStandard_48k.ogg:system/media/audio/ui/KeypressStandard.ogg \
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DAudioPackage11.mk11 $(LOCAL_PATH)/alarms/ogg/Argon.ogg:system/media/audio/alarms/Argon.ogg \
12 $(LOCAL_PATH)/alarms/ogg/Carbon.ogg:system/media/audio/alarms/Carbon.ogg \
13 $(LOCAL_PATH)/alarms/ogg/Helium.ogg:system/media/audio/alarms/Helium.ogg \
14 $(LOCAL_PATH)/alarms/ogg/Krypton.ogg:system/media/audio/alarms/Krypton.ogg \
15 $(LOCAL_PATH)/alarms/ogg/Neon.ogg:system/media/audio/alarms/Neon.ogg \
16 $(LOCAL_PATH)/alarms/ogg/Oxygen.ogg:system/media/audio/alarms/Oxygen.ogg \
17 $(LOCAL_PATH)/alarms/ogg/Osmium.ogg:system/media/audio/alarms/Osmium.ogg \
18 $(LOCAL_PATH)/alarms/ogg/Platinum.ogg:system/media/audio/alarms/Platinum.ogg \
19 $(LOCAL_PATH)/effects/ogg/Effect_Tick_48k.ogg:system/media/audio/ui/Effect_Tick.ogg \
20 $(LOCAL_PATH)/effects/ogg/KeypressStandard_48k.ogg:system/media/audio/ui/KeypressStandard.ogg \
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DAudioPackage7.mk11 $(LOCAL_PATH)/alarms/ogg/Cesium.ogg:system/media/audio/alarms/Cesium.ogg \
12 $(LOCAL_PATH)/alarms/ogg/Fermium.ogg:system/media/audio/alarms/Fermium.ogg \
13 $(LOCAL_PATH)/alarms/ogg/Hassium.ogg:system/media/audio/alarms/Hassium.ogg \
14 $(LOCAL_PATH)/alarms/ogg/Neptunium.ogg:system/media/audio/alarms/Neptunium.ogg \
15 $(LOCAL_PATH)/alarms/ogg/Nobelium.ogg:system/media/audio/alarms/Nobelium.ogg \
16 $(LOCAL_PATH)/alarms/ogg/Plutonium.ogg:system/media/audio/alarms/Plutonium.ogg \
17 $(LOCAL_PATH)/effects/ogg/Effect_Tick.ogg:system/media/audio/ui/Effect_Tick.ogg \
18 $(LOCAL_PATH)/effects/ogg/KeypressStandard_120.ogg:system/media/audio/ui/KeypressStandard.ogg \
19 $(LOCAL_PATH)/effects/ogg/KeypressSpacebar_120.ogg:system/media/audio/ui/KeypressSpacebar.ogg \
20 $(LOCAL_PATH)/effects/ogg/KeypressDelete_120.ogg:system/media/audio/ui/KeypressDelete.ogg \
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DAudioPackage7alt.mk11 $(LOCAL_PATH)/alarms/ogg-jp/Argon.ogg:system/media/audio/alarms/Argon.ogg \
12 $(LOCAL_PATH)/alarms/ogg-jp/Carbon.ogg:system/media/audio/alarms/Carbon.ogg \
13 $(LOCAL_PATH)/alarms/ogg-jp/Helium.ogg:system/media/audio/alarms/Helium.ogg \
14 $(LOCAL_PATH)/alarms/ogg-jp/Krypton.ogg:system/media/audio/alarms/Krypton.ogg \
15 $(LOCAL_PATH)/alarms/ogg-jp/Neon.ogg:system/media/audio/alarms/Neon.ogg \
16 $(LOCAL_PATH)/alarms/ogg-jp/Oxygen.ogg:system/media/audio/alarms/Oxygen.ogg \
17 $(LOCAL_PATH)/effects/ogg/Effect_Tick.ogg:system/media/audio/ui/Effect_Tick.ogg \
18 $(LOCAL_PATH)/effects/ogg/KeypressStandard_120.ogg:system/media/audio/ui/KeypressStandard.ogg \
19 $(LOCAL_PATH)/effects/ogg/KeypressSpacebar_120.ogg:system/media/audio/ui/KeypressSpacebar.ogg \
20 $(LOCAL_PATH)/effects/ogg/KeypressDelete_120.ogg:system/media/audio/ui/KeypressDelete.ogg \
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DAudioPackage9.mk11 $(LOCAL_PATH)/alarms/ogg/Argon.ogg:system/media/audio/alarms/Argon.ogg \
12 $(LOCAL_PATH)/alarms/ogg/Carbon.ogg:system/media/audio/alarms/Carbon.ogg \
13 $(LOCAL_PATH)/alarms/ogg/Helium.ogg:system/media/audio/alarms/Helium.ogg \
14 $(LOCAL_PATH)/alarms/ogg/Krypton.ogg:system/media/audio/alarms/Krypton.ogg \
15 $(LOCAL_PATH)/alarms/ogg/Neon.ogg:system/media/audio/alarms/Neon.ogg \
16 $(LOCAL_PATH)/alarms/ogg/Oxygen.ogg:system/media/audio/alarms/Oxygen.ogg \
17 $(LOCAL_PATH)/alarms/ogg/Osmium.ogg:system/media/audio/alarms/Osmium.ogg \
18 $(LOCAL_PATH)/alarms/ogg/Platinum.ogg:system/media/audio/alarms/Platinum.ogg \
19 $(LOCAL_PATH)/effects/ogg/Effect_Tick.ogg:system/media/audio/ui/Effect_Tick.ogg \
20 $(LOCAL_PATH)/effects/ogg/KeypressStandard.ogg:system/media/audio/ui/KeypressStandard.ogg \
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DAudioPackage6.mk11 $(LOCAL_PATH)/alarms/ogg/Barium.ogg:system/media/audio/alarms/Barium.ogg \
12 $(LOCAL_PATH)/alarms/ogg/Cesium.ogg:system/media/audio/alarms/Cesium.ogg \
13 $(LOCAL_PATH)/alarms/ogg/Plutonium.ogg:system/media/audio/alarms/Plutonium.ogg \
14 $(LOCAL_PATH)/alarms/ogg/Scandium.ogg:system/media/audio/alarms/Scandium.ogg \
15 $(LOCAL_PATH)/effects/ogg/Effect_Tick.ogg:system/media/audio/ui/Effect_Tick.ogg \
16 $(LOCAL_PATH)/effects/ogg/KeypressStandard.ogg:system/media/audio/ui/KeypressStandard.ogg \
17 $(LOCAL_PATH)/effects/ogg/KeypressSpacebar.ogg:system/media/audio/ui/KeypressSpacebar.ogg \
18 $(LOCAL_PATH)/effects/ogg/KeypressDelete.ogg:system/media/audio/ui/KeypressDelete.ogg \
19 $(LOCAL_PATH)/effects/ogg/KeypressInvalid.ogg:system/media/audio/ui/KeypressInvalid.ogg \
20 $(LOCAL_PATH)/effects/ogg/KeypressReturn.ogg:system/media/audio/ui/KeypressReturn.ogg \
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DAudioPackage12_48.mk20 $(LOCAL_PATH)/alarms/ogg/$(fn).ogg:system/media/audio/alarms/$(fn).ogg)
23 $(LOCAL_PATH)/notifications/ogg/$(fn)_48k.ogg:system/media/audio/notifications/$(fn).ogg)
26 $(LOCAL_PATH)/ringtones/ogg/$(fn)_48k.ogg:system/media/audio/ringtones/$(fn).ogg)
29 $(LOCAL_PATH)/effects/ogg/$(fn)_48k.ogg:system/media/audio/ui/$(fn).ogg)
31 $(LOCAL_PATH)/effects/material/ogg/$(fn)_48k.ogg:system/media/audio/ui/$(fn).ogg)
35 $(LOCAL_PATH)/effects/ogg/camera_focus.ogg:system/media/audio/ui/camera_focus.ogg \
36 $(LOCAL_PATH)/effects/ogg/Dock.ogg:system/media/audio/ui/Dock.ogg \
37 $(LOCAL_PATH)/effects/ogg/Undock.ogg:system/media/audio/ui/Undock.ogg
DAudioPackage13_48.mk20 $(LOCAL_PATH)/alarms/material/ogg/$(fn)_48k.ogg:system/media/audio/alarms/$(fn).ogg)
23 $(LOCAL_PATH)/notifications/material/ogg/$(fn)_48k.ogg:system/media/audio/notifications/$(fn).ogg)
26 $(LOCAL_PATH)/ringtones/material/ogg/$(fn)_48k.ogg:system/media/audio/ringtones/$(fn).ogg)
29 $(LOCAL_PATH)/effects/ogg/$(fn)_48k.ogg:system/media/audio/ui/$(fn).ogg)
31 $(LOCAL_PATH)/effects/material/ogg/$(fn)_48k.ogg:system/media/audio/ui/$(fn).ogg)
35 $(LOCAL_PATH)/effects/ogg/camera_focus.ogg:system/media/audio/ui/camera_focus.ogg \
36 $(LOCAL_PATH)/effects/ogg/Dock.ogg:system/media/audio/ui/Dock.ogg \
37 $(LOCAL_PATH)/effects/ogg/Undock.ogg:system/media/audio/ui/Undock.ogg
DAudioPackage12.mk19 $(LOCAL_PATH)/alarms/ogg/$(fn).ogg:system/media/audio/alarms/$(fn).ogg)
22 $(LOCAL_PATH)/notifications/ogg/$(fn).ogg:system/media/audio/notifications/$(fn).ogg)
25 $(LOCAL_PATH)/ringtones/ogg/$(fn).ogg:system/media/audio/ringtones/$(fn).ogg)
28 $(LOCAL_PATH)/effects/ogg/$(fn).ogg:system/media/audio/ui/$(fn).ogg)
30 $(LOCAL_PATH)/effects/material/ogg/$(fn).ogg:system/media/audio/ui/$(fn).ogg)
DAudioPackage13.mk20 $(LOCAL_PATH)/alarms/material/ogg/$(fn).ogg:system/media/audio/alarms/$(fn).ogg)
23 $(LOCAL_PATH)/notifications/material/ogg/$(fn).ogg:system/media/audio/notifications/$(fn).ogg)
26 $(LOCAL_PATH)/ringtones/material/ogg/$(fn).ogg:system/media/audio/ringtones/$(fn).ogg)
29 $(LOCAL_PATH)/effects/ogg/$(fn).ogg:system/media/audio/ui/$(fn).ogg)
31 $(LOCAL_PATH)/effects/material/ogg/$(fn).ogg:system/media/audio/ui/$(fn).ogg)
/frameworks/base/docs/html/training/managing-audio/
Daudio-focus.jd9 next.link=audio-output.html
34 <p>With multiple apps potentially playing audio it's important to think about how they should
35 interact. To avoid every music app playing at the same time, Android uses audio focus to moderate
36 audio playback&mdash;only apps that hold the audio focus should play audio.</p>
38 <p>Before your app starts playing audio it should request&mdash;and receive&mdash;the audio focus.
39 Likewise, it should know how to listen for a loss of audio focus and respond appropriately when that
45 <p>Before your app starts playing any audio, it should hold the audio focus for the stream
51 permanent audio focus. Request transient focus when you expect to play audio for only a short time
52 (for example when playing navigation instructions). Request permanent audio focus when you
53 plan to play audio for the foreseeable future (for example, when playing music).</p>
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Dindex.jd2 page.tags=audio,media
28 <p>If your app plays audio, it’s important that your users can control the audio in a predictable
29 manner. To ensure a great user experience, it’s also important that your app manages the audio focus
30 to ensure multiple apps aren’t playing audio at the same time.</p>
32 <p>After this class, you will be able to build apps that respond to hardware audio key presses,
33 which request audio focus when playing audio, and which respond appropriately to changes in audio
52 <dt><b><a href="audio-focus.html">Managing Audio Focus</a></b></dt>
53 <dd>With multiple apps potentially playing audio it's important to think about how they should
54 interact. To avoid every music app playing at the same time, Android uses audio focus to moderate
55 audio playback. Learn how to request the audio focus, listen for a loss of audio focus, and how to
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/frameworks/base/docs/html/ndk/guides/audio/
Doutput-latency.jd17 … <li><a href="https://source.android.com/devices/audio/latency_app.html" class="external-link">
19 … <li><a href="https://source.android.com/devices/audio/latency_contrib.html" class="external-link">
21 … <li><a href="https://source.android.com/devices/audio/latency_measure.html" class="external-link">
23 <li><a href="https://source.android.com/devices/audio/warmup.html" class="external-link">
25 <li><a href="https://en.wikipedia.org/wiki/Latency_%28audio%29" class="external-link">
26 Latency (audio)</a></li>
47 <p>This page describes how to develop your audio app for low-latency output and how to avoid
52 <p>Low-latency audio is currently only supported when using Android's implementation of the
58 <li>Read the <a href="{@docRoot}ndk/guides/audio/opensl-for-android.html">OpenSL ES
65 types of latency related to audio apps:
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Dindex.jd7 This library allows you to use C or C++ to implement high-performance, low-latency audio, whether
8 you are writing a synthesizer, digital audio workstation, karaoke, game,
12 <a href="{@docRoot}ndk/guides/audio/basics.html">basic information</a> about the API, including
14 about the <a href="{@docRoot}ndk/guides/audio/opensl-for-android.html">Android-specific
17 <a href="{@docRoot}ndk/guides/audio/input-latency.html">input latency</a>
20 <a href="{@docRoot}ndk/guides/audio/output-latency.html">output latency</a>.
22 <a href="{@docRoot}ndk/guides/audio/floating-point.html">floating-point</a>
23 numbers to represent your audio data, and it provides information that will help you choose the
24 optimal <a href="{@docRoot}ndk/guides/audio/sample-rates.html">sample rate</a>. This section
25 concludes with some supplemental <a href="{@docRoot}ndk/guides/audio/opensl-prog-notes.html">
Dinput-latency.jd17 <p>This page provides guidelines to help you reduce audio input latency when recording with a
31 <li>Many of the same requirements for low-latency audio output also apply to low-latency input,
33 <a href="{@docRoot}ndk/guides/audio/output-latency.html">Audio Output Latency</a>.</li>
38 <p>The following are some methods to help ensure low audio input latency:
41 <li>Suggest to your users, if your app relies on low-latency audio, that they use a headset
44 perform other steps to remove any unwanted signal processing from the audio path, such as by
48 <li>It's difficult to test audio input and output latency in isolation. The best solution to
49 determine the lowest possible audio input latency is to measure round-trip audio and divide
76 guarantee of the relative order of these callbacks or the synchronization of the audio clocks,
81 example, if the nominal sample rate is 48,000 Hz, it is normal for the audio clock to advance
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/frameworks/base/media/tests/MediaFrameworkTest/src/com/android/mediaframeworktest/
DMediaFrameworkTestRunner.java25 import com.android.mediaframeworktest.functional.audio.SimTonesTest;
26 import com.android.mediaframeworktest.functional.audio.MediaAudioTrackTest;
27 import com.android.mediaframeworktest.functional.audio.MediaAudioManagerTest;
28 import com.android.mediaframeworktest.functional.audio.MediaAudioEffectTest;
29 import com.android.mediaframeworktest.functional.audio.MediaBassBoostTest;
30 import com.android.mediaframeworktest.functional.audio.MediaEnvReverbTest;
31 import com.android.mediaframeworktest.functional.audio.MediaEqualizerTest;
32 import com.android.mediaframeworktest.functional.audio.MediaPresetReverbTest;
33 import com.android.mediaframeworktest.functional.audio.MediaVirtualizerTest;
34 import com.android.mediaframeworktest.functional.audio.MediaVisualizerTest;
/frameworks/av/media/libmediaplayerservice/nuplayer/
DNuPlayer.cpp117 FlushDecoderAction(FlushCommand audio, FlushCommand video) in FlushDecoderAction()
118 : mAudio(audio), in FlushDecoderAction()
940 bool audio = msg->what() == kWhatAudioNotify; in onMessageReceived() local
943 (audio? mAudioDecoderGeneration : mVideoDecoderGeneration); in onMessageReceived()
949 audio ? "audio" : "video", requesterGeneration, in onMessageReceived()
969 audio ? "audio" : "video", formatChange); in onMessageReceived()
974 audio ? FLUSH_CMD_SHUTDOWN : FLUSH_CMD_NONE, in onMessageReceived()
975 audio ? FLUSH_CMD_NONE : FLUSH_CMD_SHUTDOWN)); in onMessageReceived()
988 ALOGV("got %s decoder EOS", audio ? "audio" : "video"); in onMessageReceived()
991 audio ? "audio" : "video", in onMessageReceived()
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/frameworks/base/docs/html/guide/topics/media/
Daudio-capture.jd33 audio formats, so that you can easily integrate audio into your applications. You can record audio
36 <p>This document shows you how to write an application that captures audio from a device
37 microphone, save the audio and play it back.</p>
40 audio, but actual devices are likely to provide these capabilities.</p>
44 <p>Audio capture from the device is a bit more complicated than audio and video playback, but still
48 <li>Set the audio source using
58 <li>Set the audio encoder using
63 <li>To start audio capture, call
65 <li>To stop audio capture, call {@link android.media.MediaRecorder#stop MediaRecorder.stop()}.
72 <h3 id="example">Example: Record audio and play the recorded audio</h3>
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