audio g 711

and easy to process in real time.2. 1.1.2 what is G.711 encoding?A:G.711 suggests a typical compression codec method using PCM waveform encoding to achieve higher speech quality, but the data compression rate is low.G.711 it is recommended to describe the μ-law (A-Law) compression of PCM, as shown in:The sampling rate is 8 kHz, and the 12-bit linear A/D is trans

onCreate (Bundle savedInstanceState) {super. onCreate (savedInstanceState); setContentView (R. layout. activity_audio_browser);/*** creates a string array, indicating that when the query is run The columns returned from MediaStore. */String [] columns = {android. provider. mediaStore. audio. albums. _ ID, android. provider. mediaStore. audio. albums. ALBUM};/*** returns a list of all available ALBUM sets *

AAC Audio ConverterIntroduction: audio files in any format can be transcoded and compressed into AAC MPEG-4 (m4a) format. It can be applied to the app that needs to transmit sound files, so that it can compress a large volume of sound files (such as PCM) into a small AAC for transmission.Http://ios.itmdc.com/forum.php? Mod = viewthread tid = 44 fromuid = 15 GrooverIntroduction: Make drum music with variou

The first four articles, respectively, introduced the basic knowledge of audio development, how to capture a frame of audio, how to play a frame of audio, how to store and parse WAV file, it is suggested that interested small partners to read, this article focuses on how to encode and decode a frame of audio data.1. An

1 PCM InterfaceFor different digital audio subsystems, there are several microprocessor or interfaces used for digital conversion between DSP and audio devices. The simplest audio interface is the PCM (pulse Coding Modulation) interface, which consists of Clock Pulse (bclk), frame synchronous signal (FS), and receive data (DR) and data transmission (dx. On the ri

in the process of deepening understanding, as well as during the discussion with you after the article, worried that the successor according to this one year ago detours, Bill felt the need to make an update on the article, point out the detour to avoid misleading later. 1. The beginning of their own is the AECM, NS, VAD, AGC each module extracted separately use, now seems to be troublesome, and the effect is not very ideal. If everyone's project has no special requirements, large can be the en

Android game audio design, android game audioAudio Design for Android games 1. Basic Knowledge: A. setVolumeControlStream (AudioManager. STREAM_MUSIC );Http://developer.android.com/training/managing-audio/volume-playback.htmlHttp://developer.android.com/reference/android/app/Activity.html#setVolumeControlStream) Public final void setVolumeControlStream (int streamType)Added in API level 1 Suggests an

Title: Audio-convert-mod: Audio conversion in Linux. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. Audio-convert-mod: completes Audio conversion in Linux in three steps If you nee

The HTML5 provides the standard for playing audio.One, the audio on the WebUntil now, there is still no standard for playing audio on a Web page.Today, most audio is played through plugins (such as Flash). However, not all browsers have the same plugin.HTML5 provides a standard way to include audio through the sound el

Currently, there is no standard way to play audio files on a Web page, most audio files are played using plug-ins, and many browsers use different plugins. The advent of HTML5 provides us with a standard way to play audio files from the Web, where users no longer upgrade their browser to playback plugins such as Adobe Flash, Apple QuickTime, and can listen to any

HTML5 video and audio audio detailed Some new features have emerged in HTML5: Canvas elementVideo and audio audio elements;Support for local offline storage (localstorage,sessionstorage);New special content elements: article, footer, header, nav, section;New form controls: Calendar, date, time, email, url, search.Tak

First, click "OK" to turn it off, and then go to the Adobe audition main interface. Second, then point to the Adobe Audition interface Menu "Edit", in the pop-up menu, select "Audio Hardware Device", as shown in the following figure. Third, in the Audio Hardware Settings Pop-up dialog box, click Control Panel, as shown in the figure. Four, here you need to check the DirectSound input port o

HTML audio and video, HTML audio and videoDirectory [1] media format audio format video format [2] element plug-in element HTML5 element [3] HTML audio [4] Before HTML video Multimedia elements (such as videos and audios) are stored in media files. The most common method to determine the media type is to view the file

Introduction to audio file preprocessing using the audio CocosDenshion engine in Cocos2d-x,The Cocos2d-x provides an audio CocosDenshion engine that can be used independently of the Cocos2d-x. The CocosDenshion engine essentially encapsulates the OpenAL audio processing library.The specific API used is SimpleAudioEngin

One of Android audio playback, android audio playbackSoundPool IntroductionIn addition to playing audio using MediaPlayer, Android also provides SoundPool for playing sound effects. SoundPool uses the sound effect pool to manage multiple short-term sound effects. For example, it can load 20 sound effects at the beginning, in the future, play the video by the soun

IPhoneAudio 101 for Development (part 3 ):ProgramAudio Playback Translator: Xia laiyou Disclaimer (read only !) : The original translations of all tutorials provided by this blog are from the Internet and are only for learning and communication purposes. Do not conduct commercial communications. At the same time, do not remove this statement when reprinting. In the event of any dispute, it has nothing to do with the owner of this blog and the person who published the translation. Thank yo

There are many audio output channels, such as Speaker, headset, and Bluetooth a2dp. The audio output channel may be switched during calls or playing music. For example, when a wired headset is inserted to play music, the sound is sent from the headset. When the headset is pulled out, the audio output channel switches. If the player does not process the

Html5 audio and html5 audio Currently, the audio element supports three audio formats: IE 9 + Firefox 3.5 Opera 10.5 Google Chrome 3.0 Safari 3.0 Ogg Vorbis √ √ √ MP3 √ √ √ Wav √ √ √ Eg. Attribute Va

How does Win10 completely delete the thunder audio and video library ?, Win10 Delete thunder audio and video After installing thunder audio and video, a thunder audio and video library folder will appear in the computer folder, which is created to update the audio and video

IOS_33 _ audio conversion and ios_33 audio conversionAudio Conversion ToolNormal use of .wavor audio format audio filesWe recommend that you use. CafFormat, which can be easily converted using the afconvert tool.. Caf CoreAudio FormatOpen the terminal and enter avconvert.Then, enter the following command on the termina