audio digitization

Simple AS3 Video/Audio Media Player A video/audio player with simple style skin but full function youCan find for a video/audio player, which cocould be used either asStandalone video/audio player, or to be integrated into your originalProject. Key Features1. XML Driven, Dynamic Refresh with xml supported.2. Smooth

Mobile phone audio and video Development Kit, audio and video Development Kit Overview:The mobile video Development Kit is intended for integration or software developers. It is used for mobile video-related product development and system integration.The Development Kit provides functions such as audio and video collection, encoding, compression, and

Explanation of iOS network audio playback and ios audio playback In daily iOS development, we usually encounter media playback problems. XCode provides us with a powerful AVFoundation framework and MediaPlayer framework. AVAudioPlayer in the AVFoundation framework is mainly used to play local audio or network audio. H

-party recording software on a computer, you can select the recording format and sound source to truly implement custom recording. Generally, mobile phone and computer recording can only record sound in a fixed format;3. After the recording software is enabled, modify the sound format and change the sound source to "system sound only", and change the storage location accordingly, you can set it according to your convenience;4. There will be a floating window on the computer, opening the video to

. AudioEncoder. AMR_NB); // Audio Encoding Method Recorder. setOutputFile ("/mnt/sdcard/itcast. amr "); Recorder. prepare (); // expected preparation Recorder. start (); // starts to burn ... Recorder. stop (); stop burning Recorder. reset (); // reset Recorder. release (); // resources must be released after the data is burned. Android-multimedia (audio player) MediaPlayer mediaPlayer = new MediaPlayer ()

Detailed description of the mini-program audio component instance, the mini-program audio Audio Playback has been encapsulated well! You only need to set attributes! (Using method and data together) Main attributes: Wxml Js Page ({data: {// text: "this is a Page" action: {method: ''}, audioPlay: function () {this. setData ({action: {method: 'play'})}, audio

Today's colleague testing activities, background sound (multiple) Mac can not make a sound, a few phones have tried, no use. However, on the Android machine is not the problem, normal.The first thought is the JS conflict problem, the page all things to add processing (empty, one by one add in), in order to test convenience, on the page Add a button, click Play.Add to the end, there is no problem.Suddenly think of Baidu to find the answer to a statement: need to touch trigger. Anyway, it probably

(1) Application background(2) Principle of main noise reduction algorithm(3) algorithm flow(4) Algorithm implementation(5)------------AUTHOR:PKF-------------------time:2-6---------------------------qq:1327706646(1) Application backgroundBased on 8148 of audio ALSA acquisition, A8 encoded into g711 or DSP encoded into AAC, then RTP broadcast VLC play, sampling rate is 16000hz, 8bit, Europe and the United States Ulaw, Mono. Due to voltage or other cause

Many users upgrade to the WIN8 system, the operation interface and prior to the XP, Win7 very different, for some novice if there are some glitches, do not know how to solve the problem. For example, a recent user said Win8 prompted "audio device problem, there is one or more audio services are not running," How to solve this situation? The following small series to share some solutions for everyone, intere

Android audio recording and Android audio recordingMediaRecorder class detailsMobile phones generally have microphones and cameras, and Android systems can use these hardware to record audio and video.Android provides a MediaRecorder class to support audio and video recording. This class is also very simple to use. Let

Problem You want to have a method for playing sound quickly. Solution In xna3.0, you can directly load and play sounds from xNa without loading them using xact. Although this method removes some advanced xact functions, it makes playing sound very easy. Working Principle First, add a sound file to the project. The method is the same as adding an image to the project. For more information, see tutorial 3-1. The simplest solution is to drag a .wav file to the content folder of the solution. A

PCM file: Analog audio signal is directly formed by the analog-to-digital conversion (A/D transform) binary sequence, the file has no additional file header and file end flag. The Convert tool in Windows can convert PCM audio format files into Microsoft WAV format files. Digitizing the audio is actually about digitizing the sound. The most common way is to modula

Currently, the following device interfaces are supported in Android4.2 (defined in AudioFlinger. cpp ): * audio_interfaces[] = AUDIO_HARDWARE_MODULE_ID_PRIMARY, AUDIO_HARDWARE_MODULE_ID_A2DP, AUDIO_HARDWARE_MODULE_ID_USB, }; Constants in the array are also defined in/hardware/libhardware/include/audio. h: AUDIO_HARDWARE_MODULE_ID_PRIMARY "primary" AUDIO_HARDWARE_MODULE_ID_A2DP "a2dp" AUDIO_HARDWARE_MODULE_ID_USB "usb" During initiali

. Net simple recording and playback audio file code,. net recording audio code Features of this Code: DirectX is not required and applicable to C/S and B/S. Method: [Csharp]View plaincopy // MciSendStrin. It is an API command used to play multimedia files. It can play MPEG, AVI, WAV, MP3, and so on. The following describes how to use it: // The first parameter: The command string to be sent. The string

Use FFmpeg to audio format and sample rateImportOSImportstringImportsubprocess as SP#Full path of FFmpegFfmpeg_bin ="/users/karl/documents/python/audio/tool/ffmpeg"#Full path of SourceDirSourceDir ="/users/karl/documents/python/audio/"#Full path of TargetDirTargetDir ="/users/karl/documents/python/newdir/"#Sample FrequencySF = 11025#Extension Settingext ='mp3'def

First of all, this method is really very cow, it is better to ingenious: In this app to do foodie, because we need to add a button on the UITableViewCell, when you click on this button to start playing audio (while the button status changed to selected), these processing is OK, But now the problem is that when the audio playback is complete, a proxy method is triggered (that is, telling the

HTML5 audio, html5 audio format Case 1: Your browser does not support the audio tag(Supported by the browser)Note:(1) functions such as autoplay, controls, loop, and preload are similar to video functions. Here we will not explain much ^-^;

Js enables simple audio playback and js audio playback The effect is as follows: Because I don't need any other buttons, I didn't write it. The data is provided by the backend and a small column is created here.Background code Public ActionResult MusicPlayer (int musicId = 0) {MusicPlayerModel model = new MusicPlayerModel (); switch (musicId) {default: model. musicName = "Believe-animated one piece"; mod

IOS-audio and video, iOS-Audio VideoI. Video MPMoviePlayerController: Play local video resources NSString *path = [[NSBundle mainBundle]pathForResource:@"root" ofType:@"mp4"];NSURL *url = [NSURL fileURLWithPath:path];_playcontroller = [[MPMoviePlayerController alloc]initWithContentURL:url];_playcontroller.view.frame = CGRectMake(0, 100, 320, 300);[_playcontroller play];[self.view addSubview:_playcontroller.