In the past few days, I was reseaching on a recording library to write live audio/video streams from video conference server or peer to a MP4 file container.
Monthly Archives: May 2013
After weeks of learning, finally I finished the entrance exam. The result will be revealed soon, maybe one and a half monthes later. I was told not to be worry about the exam, now I’m sure, :D. Yeah!!! But there are courses still remain to be attended. Here are the […]
Just finished the MSE entrance exam of USTC. Hooray!!
9 I was trying to install Direct SDK (June 2010), everything went just fine, but when the installation started to do some post installation processes, it returned with an error like this: Setup failed. Errors were encountered during installation of redistributable packages. Please close all open programs and try running setup […]
Install DirectX SDK (June 2010) failed with error code S1023
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Protected: An english self-introduction template
Finaly, it’s coming, after postponed for over 6 months. There will be three courses: Advanced Mathematics English Specialized course And the preparations courses started at last weekend, I’m busy preparing for it now, although I don’t think it’ll be a problem for me after these monthes of study. But still […]
Coming event: entrance examination for postgraduate (May 26, 2013)
After all audio processing module has been full supported, I migrated the webrtc version to the latest version(update date: 5/9, 2013, svn code: 3988), I got a new assignment today, that is implement mp4 file container for the SDK. During the discussion of the assignment, I offered my suggestion for […]
MP4 media file container with H.264 video and AAC audio
2 I was upgrading my IDE from VS 2008 to VS2010 when I located this issue. After google it for a long time, I final found this webpage from Microsoft, telling me that it is a bug of VS2010, http://connect.microsoft.com/VisualStudio/feedback/details/665896. And then I found that this bug has not been fixed […]
LINK : fatal error LNK1104: cannot open file ‘xxx.map’
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Protected: Implementing AGC audio processing for KdvMediaSDK
After days of working, all audio processing functions seems are working in the KdvMediaSDK now, and the next step will be getting a proper set for the audio processing algorithms to run under certain environments & circumstance. I will start it by beginning with AGC module too. Here are the […]
WebRTC audio processing continuous: AGC effect optimizing (setting parameter adjustment)
1 Tomorrow morning will be my exam for Computer Networking(A Top-Down Approach). I coded lots of applications related with netwroking, whatever for small embedded server or large-scale high concurrency server, whatever TCP based or UDP based, including but not limited to ICMP, HTTP, FTP, SMTP, RTSP, RTP, SIP protocols. I was […]
Preparing for tomorrow’s Computer Networking(A Top-Down Approach) exam
2 Introduction of this document This module includes software based acoustic echo cancellation (AEC), automatic gain control (AGC), noise reduction, noise suppression and hardware access and control across multiple platforms. My ultimate goal will be wrapping an independent module out of WebRTC’s Voice Engine for our product, and the first task […]
Reading codes of WebRTC: Deep into WebRTC Voice Engine(draft)
2013年4月24日—25日，第十六届台北国际安全博览会（Secutech）在世贸南港展览馆隆重举行，作为国内最早最专业的NVR厂商，科达携全系列NVR产品参加了本次展会，并向现场观众重点展示及介绍了科达NVR在专业应用、开放性、可靠性这三方面的实力，得到专业观众的广泛认可。
科达NVR亮相Secutech，专业、开放、易用博好评
2.0 (2013/5/1) svn 68 a. I got some feedback these days telling me that he/she can view nothing but a black screen after requested a stream. this version is a fix for it. b. I also added an asynchronous message handler to accept NDK library’s socket connection status callback for […]