Several injection methods in a angularjs the use of construct injection or set value injection in spring requires some additional action, but it is very convenient to simply declare it in the angular where it is needed, like a reference to a module. There are several injection methods in ANGULARJS: Inferred injection: This injection method requires the same parameter name as the service name. If the code is compressed and so on, it will cause the injection to fail. AngularJs $
elements of the style, position problems, not good to see, not aligned?This problem often occurs, the same page different browser or the same browser different version or different settings will appear this problem, this is a headache browser compatibility problem, the test when the mainstream browser to try, and then adjust, usually develop good programming habits, Accumulate some of the same styles or functions different implementations of the browser, and then make a judgment in the code and
ANGULAR2 's dependency injection contains too much content, one of the key points is the injector, and the injector is very difficult to understand, today we do not delve into the contents of the injector, we can refer to the official documentation, we are today the level of the injector.
That is, the container in whi
An inferred injection
This injection method requires that the parameter name be the same as the service name. If the code is compressed and so on, it can cause the injection to fail.
App.controller ("MyCtrl1", Function ($scope, Hello1,hello2) {
$scope. Hello = function () {
Hello1.hello ();
Hello2.hello ();
}
);
Tagged injection
This injection way, you need to set a dependent array, the array is dependent on the service name, in the function parameters, you
Audio Processing (I) audio files, audio processing audio files
Audio files
Audio files are data files stored after digital conversion of sounds. To understand audio data, you must first
Audio Stream (proportion of redundant data):
Let's take a brief look at the structure of the ADTS header:
1) The ADTS header is at the beginning of each AAC frame and is typically 7 bytes long (or 9 bytes, not seen).
2) The length of each AAC frame is fixed to 1024 sample (can be 1024*n, have not seen n>1 case).
3) Most of the information in the ADTS header is useless, only the sample rate (4bit), the number of channels (3bit) and the frame size (13bi
this article reprinted to http://blog.csdn.net/u014011807/article/details/40187737What can you learn in this volume?Four ways to design audio players for a variety of applications:Based on the Audiotoolbox.framework framework. Play the system sound file.Based on the Avfoundation.framework framework. Play a variety of audio format files. Has advanced audio player
Five lessons audio processing and DX Audio plug-in introduction
Through the last lesson, you can record the singer's clean voice completely.
The next step is to do audio processing for the clean vocals to get the best sense of hearing.
Commonly used audio processing of the human voice generally includes the following
Analyze audio waveforms, add audio special effects, and add special effects to audio Waveforms
I. PrefaceHello everyone, I am a technician of 19944, from Hunan. I am famous for my superb skill. I am currently working in TGideas part-time restructuring. Recently, our Minister aiden was working on a Motion mobile component library, which was not frequently used by
First, play audio in the HTML5Audio element-The audio element can be embedded in an HTML page, and the attributes of the element can be set to be automatically played, preloaded, and looped back.-The audio element provides play, pause, and volume controls to control650) this.width=650; "src=" Http://s1.51cto.com/wyfs02/M02/7E/3D/wKiom1b6LpjQvCMiAABCaU0pHzY845.png
Audioservicesplaysystemsound Audio Servicefor simple, no-mix audio, the Avaudio Toolbox Framework provides a simple C-language-style audio service. You can use the Audioservicesplaysystemsound function to play simple sounds. Follow these rules:1. Audio length less than 30 seconds2. The format can only be PCM or IMA43.
Audio Bar Chart
This is the Audio bar chart as shown in the following illustration:
Because it's just a custom view usage, we don't actually listen to audio input, and randomly simulate some numbers.
If you want to implement a static audio bar chart as shown above, I believe we should be able to quickly find ideas
This article is mainly about Avaudioplayer, the other two see related articles.
Avaudioplayer in the avfoundation frame, so we're going to import avfoundation.framework.
The Avaudioplayer class encapsulates the ability to play a single sound. The player can initialize with Nsurl or nsdata, note that Nsurl can not be a network URL and must be a local file URL, because the Avaudioplayer does not have the ability to play network audio, but we can use a l
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
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
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
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