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24. Learn Android multimedia from scratch-use mediaplayer to play audio

Mediaplayer class Static Constructor Method Name Description Public static mediaplayer create (context, Uri, surfaceholder holder) Specify to load the music file from the resource file corresponding to the resource ID,

Some audio knowledge is required for interviews

Sampling Rate sampling bit sampling rate: the number of sample samples collected in one second. The reciprocal of the sampling frequency in Hz is the sampling period or the sampling time, which is the time interval between sampling ~ 20 k is the

Aten Jinhua vs0201 2 port VGA video switch + audio Function

Aten Jinhua vs0201 2 port VGA video switch + audio Function Vs0201 2 port VGA video switch + audio function 650) This. width = 650; "src =" http://www.aten.com.cn/images/uploadImages/Professional-Audio-Video/Video-Switch/products/VS0201-%E8%A7%86%E9%

Android Audio Video In depth 18 ffmpeg play video, have sound (with source download)

Project AddressHttps://github.com/979451341/AudioVideoStudyCodeTwo/tree/master/FFmpegv%E6%92%AD%E6%94%BE%E8%A7%86%E9%A2%91%E6 %9c%89%e5%a3%b0%e9%9f%b3%ef%bc%8c%e6%9a%82%e5%81%9c%ef%bc%8c%e9%87%8a%e6%94%be%e3%80%81%e5%bf%ab%e8%bf%9b%e3% 80%81%e9%80%80

An example of PCM audio conversion and Mixing

During voice communication, you often encounter situations where you need to convert audio signals of a certain format into audio signals of another format and mix two or more audio signals. For more information, see the information found on the

Android Audio Video In-depth 12 ffmpeg video replacement sound (with source download)

Project address, for starhttps://github.com/979451341/AudioVideoStudyCodeTwo/tree/master/FFmpeg%E7%BB%99%E8%A7%86%E9%A2%91%E6%8D%A2%E5% A3%b0%e9%9f%b3A video has three streams, video streaming, audio streaming, subtitle streaming, I'll take the

Android audio and video goes deep into 18 FFmpeg to play videos with sound (source code download) and androidffmpeg

Android audio and video goes deep into 18 FFmpeg to play videos with sound (source code download) and androidffmpeg Project addressHttps://github.com/979451341/AudioVideoStudyCodeTwo/tree/master/FFmpegv%E6%92%AD%E6%94%BE%E8%A7%86%E9%A2%91%E6%9C%89%E5

Audio format details (mixed)

Several format details (mixed) Waveformatex Mediatype_audioFormat_waveformatex Clsid_audioinputdevicecategory Clsid_audioinputdevicecategory Typedef struct _ mediatype {Guid majortype;Guid subtype;Bool bfixedsizesamples;Bool

Android Audio Video In depth six using ffmpeg to play video (with source download)

The address of this project, ask Starhttps://github.com/979451341/Audio-and-video-learning-materials/tree/master/FFmpeg%E6%92%AD%E6%94%BE%E8%A7%86%E9%A2%91First FFmpeg is written in C, so we need the NDK technology, and then I use the NDK to use

Android Audio Video In depth six using ffmpeg to play video (with source download)

The address of this project, ask Starhttps://github.com/979451341/Audio-and-video-learning-materials/tree/master/FFmpeg%E6%92%AD%E6%94%BE%E8%A7%86%E9%A2%91First FFmpeg is written in C, so we need the NDK technology, and then I use the NDK to use

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