secret audio recorder android

This article focuses on how to capture a single frame of audio data on the Android platform. Before reading this article, it is recommended to read my previous article, "Android Audio Development (1): Fundamentals", because in the audio development process, often involves th

Two audio recording methods for Android In mobile APP development, every time an APP is designed for multimedia development, many programmers will suffer, and the project development progress will slow down And the APP testing will increase. Multimedia Development in Android includes audio playback,

The video recording function is coming soon. In AndroidSDKThere are related classes: Android. Media. mediarecorder, of course, because the simulator does not provide the necessary hardware facilities, it cannot be implemented during the learning process. Media can play files from anywhere: an actual file resource, a file in the system, or an available network link.The following describes howTo play an available media

During the first Android development, I realized such profound version differences for the first time. My audiorecordCodeThe test was successful at Samsung s5670. Xiaomi, duowei d210t test failed. The error message is as follows: 04-01 12:58:44. 368: E/audiorecord (19808): cocould not get audio input for record source 1 04-01 12:58:44. 368: E/audiorecord-JNI (19808): Error creating audiorec

This article is the seventh article in my "Android Audio development" series, the previous article generally describes the basic overview of the Android OpenSL ES API, which tells you what the framework has, what you can do, and what you can't do. This article focuses on some of the key design and concepts of the OPENSL ES framework and its API interfaces, so tha

Long time not updated blog, from the company resigned years ago, this six months, has been to do some outsourcing app to feed themselves! is also to achieve their own years ago set goals! But also think that can not always do outsourcing it, so decided to do some of their own feel interesting app, hang to the App Store and App Store, as long as there are 1-2k or 1-2w active users, they are satisfied!Recently thinking to make a voice feed system, difficult, in fact, is in the

to prepare are set parameters. You can also set other parameters to view the differences. Prepare means that the recording device starts to prepare to capture the data of the input device and encode the data. This means that everything is ready, just wait for the first moment. For the specific code of prepare, see: /** * Prepares the recorder to begin capturing and encoding data. This method * must be called after setting up the desired

Steps to record audio:1. Create a Recording object2. Specify the recording device (initialization status)3. Set the bitrate of recorded audio4. Set the encoding format for recording audio5, set the location of recording audio storage6. Prepare for recording (ready status)7. Start recording8. Stop Recording9. Releasing ResourcesPermission to record a soundState diagram for recording audiopublic class Mediare

Android multimedia audio and video recording MediaRecorderOverview: MediaRecorder status chart:Initial: Initial state. When a MediaRecorder object is created using the new () method or the reset () method is called, The MediaRecZ prepare? Http://www.bkjia.com/kf/ware/vc/ "target =" _ blank "class =" keylink "> vcmRlcrbUz/examples/templates + SW5pdGlhbGl6ZWSjutLRs/templates + templates/ release/bOxLz + relea

is based on the current time to create a recording file, save to the intended directory, with the Mediarecorder class to start recording. Start recording public void Start_record () {if (! Environment.getexternalstoragestate (). Equals (Android.os.Environment.MEDIA_MOUNTED)) {show_status ("SD card does not exist, please insert SD card !"); } else{try {//Get the current time Cur_date = new Date (System.currenttimemillis ()); Str_file = Formatter.format (cur_date); Crea

This is how Android supports video formats: Android can decode JPG files. Video encoding and decoding in H.263 format, Only videos in h264 format can be decoded. Is the life cycle of the mediarecorder class A common case of using mediarecorder to record audio works as follows: Mediarecorder