<uses-featureandroid:name="android.hardware.audio.low_latency"android:required="true"/> 1. 然后,在应用中创建AudioTrack对象时,需要使用特定的构造函数来启用低延迟特性,示例如下: intbufferSize=AudioTrack.getMinBufferSize(sampleRate,channelConfig,audioFormat);AudioTrackaudioTrack=newAudioTrack(AudioManager.STREAM...
如果你的设备支持CDD定义的低延时(low latency)audio,把对应的xml功能文件拷贝到你的设备。比如 在device/company_name/device_name/device.mk添加 PRODUCT_COPY_FILES := ... PRODUCT_COPY_FILES += \ frameworks/native/data/etc/android.hardware.audio.low_latency.xml:system/etc/permissions/android.hardware....
android.hardware.audio.low_latency:应用使用设备的低延迟时间音频管道,该管道可以减少处理声音输入或输出时的滞后和延迟。 android.hardware.audio.output:应用使用设备的音响设备、音频耳机插孔、蓝牙流式传输能力或类似机制传输声音。 android.hardware.audio.pro:应用使用设备的高端音频功能和性能能力。 android.hardware....
Feature for #getSystemAvailableFeatures and #hasSystemFeature: The device's audio pipeline is low-latency, more suitable for audio applications sensitive to delays or lag in sound input or output. [Android.Runtime.Register("FEATURE_AUDIO_LOW_LATENCY")] public const string FeatureAudioLowLatency; ...
android.hardware.audio.low_latency indicates a continuous output latency of 45 ms or less. android.hardware.audio.pro indicates a continuous round-trip latency of 20 ms or less.How does the Superpowered iOS and Android audio latency test app work?
android.hardware.microphone. Mono/Stereo(no multichannel). Sampleratesupto48 Audio kHz(butupto44.1 kHzisrecommended ondeviceswith44.1 REQUIREDkHzoutput,asthe48 FLACFLAC(.flac)only (Android3.1+)to44.1kHz downsamplerdoes notludealow- passfilter).16-bit recommended;no ditherappliedfor24- bit. Mono/...
frameworks/native/data/etc/android.software.midi.xml:system/etc/permissions/android.software.midi.xml # Audio low latency feature PRODUCT_COPY_FILES += \ frameworks/native/data/etc/android.hardware.audio.low_latency.xml:system/etc/permissions/android.hardware.audio.low_latency.xml # Pro audio...
Android.Hardware.Camera2.Params Android.Hardware.Display Android.Hardware.Fingerprints Android.Hardware.Input Android.Hardware.Lights Android.Hardware.Location Android.Hardware.Usb Android.Health.Connect Android Health Connect 變更日誌 Android.Health.Connect.DataTypes Android 健康連接數據類型單位 (Android.Health...
Android.Hardware.Display Android.Hardware.Fingerprints Android.Hardware.Input Android.Hardware.Lights Android.Hardware.Location Android.Hardware.Usb Android.Health.Connect Android.Health.Connect.ChangeLog Android.Health.Connect.DataTypes Android.Health.Connect.DataTypes.Units Android.Icu.Lang Android.Icu.Math And...
The complex example app demonstrates full USB audio discovery, for the use case of sophisticated DAW and recording apps. It displays the various input and output options, audio paths and hardware controls of a USB audio device. Hardware controls can be manipulated and advanced thru audio paths ...