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Audio Processing in WINDOWS In WINDOWS, audio processing can be roughly divided into two parts: audio input and output, and ACM compression.In WINDOWS, Apis such as sndPlaySound (MCI) can be called to play a WAV file, but this is obviously not what we need to do. You must be able to directly Process audio data stream
In the production of the publishing side, you need to collect the sound card output signal, in order to mix with the microphone input signal, for audio processing technology, mainly the following: Capture Microphone Input Collect sound card output Send audio data to the sound card for playback Mixing multi-channel audio inputs Here are t
016-11-25 DORAWEBRTC series Wind net WEBRTC series Wind Net Source: Wind NET Series Author: Weizhenwei, fan network columnist Audio and video synchronization is the most intuitive user experience for multimedia products, and is the most basic quality guarantee for audio and video media data transmission and rendering playback. If the audio and video is not synchr
SummaryThis article introduces the principle and basic implementation process of VoIP, and analyzes the composition of audio latency in the Ethernet environment. The experimental results show that the audio latency in the Ethernet environment is mainly composed of the buffer latency and API call latency, and the most important part is the API call latency. This paper proposes a method to reduce API call lat
Reprint Please specify source: http://www.cnblogs.com/fangkm/p/4374668.htmlThe previous blog introduces the local video collection, this article introduces the audio capture process, but also introduces WEBRTC native audio collection, and then introduces chromium source to its customization.1. WebRTC native Audio captureLet's first introduce the interface concept
Android 4.1, abbreviated as JB. In Chinese eyes, the word JB is also related to animals. Google modified android so frequently, and finally launched a version that can be put on the mouth of JB all day long. In the future, my articles can also use JB to express the version number, while JB to express what Chairman Mao often said, "Strategic contempt". Please try to understand my mood for writing the word JB according to the context. Today, we will give a brief introduction to the earth-shaking c
Today, as mobile QQ or MSN enters the mobile phone, mobile users begin to enter the new era of video chat or video conferencing, but due to mobile environments (such as elevators, roads, squares, restaurants, bars, trains, and automobiles) mobile phone users are increasingly eager for HD Audio due to various noisy noises or interference. This is why HD Audio has already ranked first in the mobile phone mark
Transferred from: http://www.cnblogs.com/fangkm/p/4374668.htmlThe previous blog introduces the local video collection, this article introduces the audio capture process, but also introduces WEBRTC native audio collection, and then introduces chromium source to its customization.1. WEBRTC native Audio captureLet's first introduce the interface concepts in WEBRTC t
Web Audio is also a relatively new JavaScript API, which is different from the General Web applications should not fall into these APIs, but some types of web sites such as game engines or online music editors should be used.The Web audio API is tightly wrapped around a conceptual design: audio context, which is like a graph, each node in the way is an
In iOS development, the most important framework for audio and video is the avfoundation framework. Starting from this article, we will focus on avfoundation-based audio usage and processing. To learn how to use audio, you must first understand the audio session. 1. What is an aud
from the theoretical height of analysis, if you are experiencing problems, through the search engine came here, please directly read the article "Summary", this part of the reference post is basically Ubuntu audio problem Daquan.Now let's take a bottom-up analysis of this problem from the bottom up.First of all, the Linux community is facing the biggest and most realistic status quo, is to get too little support. From the chip level, each OEM has the
1. In the Win7 system under the computer desktop to find the computer, right-click the computer to select the management options. As shown in the following figure 2. In the Open Computer Management interface, locate and open the service items under services and applications. As shown in the following figure 3. In the right "services" interface to find "Windows Audio" Double-click Open to modify. As shown in the following figu
1, we dot the computer display red Fork How to do, we do not worry. 2, we found my computer on the desktop, is also called the computer. 3, we right click on the management options, immediately appear the management of the page. Management 4, find applications and services below. Applications and Services 5, then we double-click the service, the right side will show our service options. Service 6,
win8.1 Upgrade Win10 system prompts "not installed audio output device" How to resolve The method is as follows: 1, Volume icon--right--Play device--Change the default device try; 2, overall or drive the problem, such as before is good in the update after not, then try to back up the sound card driver; 3, if you want to or not, then you can try to use the Drive Wizard, driving the master, such as intelligent detection drive. The above is w
HDMI is the latest sound, video technology, then how to do HDMI audio connection? The HDMI audio connection is very simple and also supports hot-plug. First monitor must have HDMI interface, then the video card must have HDMI interface. High-definition computer and liquid crystal display connection because of the use of HDMI technology, so that the computer and the LCD monitor connection is very si
The Lync Server Audio test service could not be started, causing the problem, most likely because the SIP address of the ad object that the audio service relies on is incorrect. Open powerll Shell Run command "get-csaudiotestserviceapplication" on Lync Server Carefully check the "sipaddress" corresponding property is correct, if the domain name is really wrong, then need to amend the appropriate in
Computer in the boot, no boot music, lower right corner of the speaker does not have the icon, play music when the system prompts no audio equipment. The user's motherboard determines that the sound card is not disabled, and the driver is installed with the motherboard's own driver. There is a sound when playing the game, and the sound card is an integrated sound card on the Asus p5gc-mx/1333. Computer prompts no
To set up the steps: Start--Control panel--sound--recording--right-click Microphone--Properties--Listen--Choose to listen to this device--put on the microphone--speak--ok. From now on, we can not get out of the home K song, how to carry K song, according to the following operation! 1, download the Cool Dog Music Box 2015 official version of the software and install 2. Open Music Software 3, the software right "music classification" icon--> "other classific
KMPlayer Player is a universal audio and video player from Korea, and the player can support the mainstream media format, but some users in the use of the player, but do not know how to switch the audio track of the KMPlayer player, so the small series here for everyone to bring the KMPlayer track switching method , the user needs to try it quickly! Operation method 1. Open KMPlayer Player 2, click the r
Search a large number of pages, do not have a practical setup tutorial, it is speechless.Do a tutorial directly, convenient for everyone to use1. Install boom 2Search boom on the App store I installed a genuine, need 128 yuan.You can search the cracked version of Baidu, no pro-test is not good2, after installation, enter the software, will let you install boom extension plug-in, here will not.3. After installation, OBS software, set as followsThe following are shown in ObsSo we can output the
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