normalize audio

Author: little monk afa published in: Period 2008-03 of Microcomputer Preface "HD" is a complete system, not a single standard or product. In the HD era, both video and audio must meet the HD standard. What is high-definition audio? What are the benefits of high-definition audio compared with normal audio? Starting fro

(reprint) Common Audio Protocol IntroductionIntroduction and comparison of common audio protocols for conference TV white PaperFirst, the digital audio principle: The sound is actually a kind of energy wave, therefore also has the frequency and the amplitude characteristic, the frequency corresponds to the time axis, the amplitude corresponds to the level axis. U

To play and record audio on iOS devices, Apple recommends that we use the Avaudioplayer and Avaudiorecorder classes in the Avfoundation framework. Although the usage is simpler, it does not support streaming; This means that before playing the audio, you must wait until the entire audio load is complete before you can start playing the

how to make video and audio time-stampinghttp://blog.csdn.net/wfqxx/article/details/5497138 1. Video time stamp PTS = inc++ * (1000/fps); Where Inc is a static, initial value of 0, each time the timestamp Inc plus 1. In FFmpeg, the code in pkt.pts= m_nvideotimestamp++ * (M_vctx->time_base.num * 1000/m_vctx->time_base.den); 2. Audio time stamp PTS = inc++ * (frame_size * 1000/sample_rate) The code in FFmpeg

Real-time audio and video domain UDP is the king In the Internet, audio and video real-time interaction using the Transport Layer Scheme has TCP (such as: RTMP) and UDP (such as: RTP) two kinds. The TCP protocol can provide a relatively reliable guarantee for data transmission between two endpoints, which is achieved through a handshake mechanism. When the data is passed to the receiver, the receiver checks

Recently my wife gave me a death order, let me the computer's "broken speakers" to replace, she really can not endure to listen to music without surround sound, watching movies without overweight bass, play no game stereo sound, singing KTV simply do not sound ... Vulgar speech: "Head can be broken, blood flow, wife orders can not be lost." "Yes, this time must be excellent to complete the task of wife confessed!" Can change the speaker to spend money, if not change the speaker can also bring th

Turn from: http://blog.csdn.net/lixiaowei16/article/details/53407010 Audio and video synchronization is related to the most intuitive user experience of multimedia products, audio and video media data transmission and rendering playback of the most basic quality assurance. If the audio and video is not synchronized, it may cause delays, such as cotton, etc. ver

(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

This article mainly introduces the composition of AudioUnit This article is made up of your own understanding. If you have any errors, please contact our netizens for correction. Understand the architecture of Audio Unit Before we started, we realized audioUnit through an AudioUnit object, which is an Effect type AudioUnit of this type. This unit consists of many small scopes, scope has element, elementt has channel, stream format, and properties. Do

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