webrtc audio

Transferred from: http://blog.csdn.net/neustar1/article/details/19480863Text describes the process of video processing. The two-way video session video signal flow process is shown in Figure 1.Figure 1 Video FlowTake the video session as an example, mainly divided into the following several threads:1) Video source generation thread: Camera production video screen, packaged into a video frame, at a certain frame rate delivery to the next module. ；2) Acquisition Thread: The Capturer is responsible

When the loudness of the voice to adjust the need for voice automatic gain (AGC) algorithm processing , voice chat will use this algorithm. The simplest hard gain processing is to multiply all audio samples by a gain factor, which is also equivalent to multiplying the gain factor at each frequency in the frequency domain, but because the perception of all frequencies of the human hearing is not linear, is followed by the equal loudness curve, resul

This section describes several python audio processing libraries and python audio processing libraries. 　　1. eyeD3 Search for python mp3 process directly on google. This third-party library is recommended. Let's take a look at the official introduction.About EyeD3 is a Python tool for working with audio files, specifically mp3 files containing ID3 metadata (I. e.

are two big advantages: the semantic side, and the ease with which you can expand, not just the audio/video devices.Now breathe a deep breath. This thing is fast!3rd round: WebRTCThe elements eventually disappeared like the dodo.Relying heavily on WebRTC (network instant Messaging), the pace of finding the right capture API in recent months has accelerated a lot. The specification is supervised by the

Doing H5 games will inevitably encounter the need to play background music or sound effects. The first response to this requirement was to use the audio tag in H5 to implement it, but in the process of implementation it was found that there were many problems.1. Only a single audio can be played (on some devices, including iOS). What do you mean? This means that if you play the sound effects while playing t

Hya. io-Web-based digital audio workstation and hya. io audio workstation Hya. io is based onWebAudio Application, supporting hardware MIDI through Web MIDI, audio synthesizer, audio sequence and a large number of plug-ins. You can add a plug-in to the work zone to connect it to the route

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

(Http://vod.sjtu.edu.cn/help/Article_Show.asp? ArticleID = 1065 articlepage = 1............Http://vod.sjtu.edu.cn/help/Article_Show.asp? ArticleID = 1065 articlepage = 8) [Author: cl1003 resending from winzheng.com] Goldwave is a set of audio editing, playing, recording, and conversion tools. It is small in size and has no weak functions. There are quite a few open audio files, including WAV, Ogg, VOC, IF

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

1. Preface backgroundBefore the advent of HTML5, Web page access to audio and video mainly through the Flash,activex plug-ins, as well as Microsoft later launched Silverlight to show, although Flash once swept the world, but with the continuous development of the Internet, into the mobile era, Flash Thunder gradually replaced by HTML5, the main reason is that flash often burst loopholes, security concerns, poor performance, the network browsing and eq

IOS 9 Audio app play audio playback control pause stop forward back settings iOS9 audio app playback controlyou can see that the Avaudioplayer class has a number of properties and methods in the "IOS 9 audio app plays audio iOS9 audio