android mediarecorder audio example

Audio Design for Android gamesAudio Design for Android games 1. Basic Knowledge: A. setVolumeControlStream (AudioManager. STREAM_MUSIC );T) Public final void setVolumeControlStream (int streamType)Added in API level 1 Suggests an audio stream whose volume shocould be changed by the hardware volume controls.The suggeste

RCV - SPK Speaker Common HP Ear belt microphone HP_NO_MIC Headset without microphone Common BT Bluetooth SPK_HP - RING_SPK - RING_HP - RING_HP_NO_MIC - RING_SPK_HP - For example, switch the output to the speaker. Root @ android:/# tinymix 0

Today, any smart phone can play audio. Of course, android-based devices are no exception. They allow you to create music players, audio books, podcasts, or any other applications that play around audio. In this article, we will discuss Android's functions in terms of format and decoder support, as well as several diffe

we can specify during the construction of the object. It indicates how long a Audiorecord object can record (that is, the volume of sound that can be recorded at one time) before it is read (synchronized) by the sound data. Sound data is read from the audio hardware, and the data size does not exceed the size of the entire recording data (which can be read multiple times), which is the data that initializes the buffer capacity each time it is read.2.

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

Whether it is text, image or sound, must be organized and stored in a certain format, so that the player will know how to parse this piece of data, for example, for the original image data, our common format is YUV, Bitmap, and for audio, the simplest common format is the WAV format.WAV format, like bitmap, are Microsoft developed a file format specification, they all have a similarity, is the whole file is

ObjectiveBefore writing the article "separate compilation using WEBRTC audio processing module-Android", I have been trying to compile the WEBRTC audio processing engine Voe the whole to use for his project, but limited to the poor technology, time is tight, so did not succeed. The AECM, AGC, NS, and VAD modules in the engine were compiled separately to make it w

In-depth analysis of Android audio AudioSystem and androidaudiosystem AudioSystem is an interface class provided by AudioPolicyService and AudioFlinger. One of Android Audio systems: How does AudioTrack exchange with AudioFlinger? In the Audio Subsystem of

Android Bottom -up headphone Plug and audio channel switching instanceBecause headphones are used as separate headsets, the events are reported separately. The detection of headphone jacks on the Android system layer is based on /sys/class/switch/h2w/state values (in 4.4.4_r2 For example in Wiredaccessorymanager.java).

Android audio play SoundPool usage and encapsulation, androidsoundpool Generally, MediaPlayer is used to play audio. the creation and destruction of MediaPlayer consume a lot of resources, if we want to play short-lived and frequently-played audio, MediaPlayer is not suitable. Let's talk about playing short-lived

Basic Android tutorial-10.3 AudioManager (audio manager)Basic Android tutorial-10.3 AudioManager (audio manager) Tags (separated by spaces): basic Android tutorial This section introduces: In the first section of multimedia, we wrote a Duang

First, Vitamio Introduction What is 1.1 Vitamio? Vitamio is the Android platform video audio playback component, supporting the playback of almost format video as well as the mainstream network video streaming (HTTP/RTSP/MMS, etc.), detailed Chinese introduction: here. Vitamio Official website: http://vitamio.org/ Vitamio Weibo: Http://weibo.com/vitamio Vplayer Official website: http://vplayer.net Vit

To play an audio file, you can use the built-in Music function to play the audio file) "function of the application-that is, use the built-in or installed music player to play the specified audio file. This example is relatively simple. The source code is provided below: Layout file activity_main:

http://blog.csdn.net/kangear/article/details/38139669[-] Compiling Tinyalsa companion Tools View the current system's sound card Tinymix Viewing the Reverb device Play WAV music with Tinyplay Tinycap use Since the standard ALSA is not used by default in Android, it uses Tinyalsa, so even command-line-based testing uses LIBTINYALSA. The Android system can be seen in real-time, s

Address: http://blog.csdn.net/qianjin0703/article/details/6387662 0. Special terms 1. Physical Structure 2. System Architecture This article uses the Freescale IMX platform codec alc5625 as an example. 0. Special terms ASLA-advanced sound Linux architecture OSS-previous Linux audio architecture, replaced by ASLA and compatible Codec-coder/Decoder I2S/PCM/ac97-codec and

0. Special terms 1. Physical Structure 2. System Architecture This article uses the Freescale IMX platform codec alc5625 as an example. 0. Special terms ASLA-advanced sound Linux architecture OSS-previous Linux audio architecture, replaced by ASLA and compatible Codec-coder/Decoder I2S/PCM/ac97-codec and audio communication protocol/interface/bus between CPU Da

Android development-control mobile audio This example uses MediaPlayer to play a piece of music and use AudioManager to control the mobile audio. For more information about AudioManager, see AudioManager for Android development. Program running: Instance code: Package com.

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

Android basic tutorial-9.2 MediaPlayer playing audio and video This section introduces: This section introduces MediaPlayer in Android multimedia. We can use this API to play audio and video.This class is an important component in the Androd Multimedia Framework. Through this class, we can obtain and decode it in the

down RCV － SPK Speaker Common Hp Headset with wheat Hp_no_mic Headset without wheat Common Bt Bluetooth Spk_hp － Ring_spk － Ring_hp － Ring_hp_no_mic － Ring_spk_hp － Example: Switching the out