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Real-time Transport Protocol (RTP)
Nov 03 , 2021
What is RTP? Real-time Transport Protocol (RTP) is a network standard designed for transmitting audio or video data that is optimized for consistent delivery of live data. It is used in internet telephony, Voice over IP and video telecommunication. It can be used for one-on-one calls (unicast) or in one-to-many conferences (multicast). RTP typically runs over User Datagram Protocol (UDP). RTP is u...
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IP Multicast for RTP Streaming
Nov 11 , 2021
What is IP Multicast? IP Multicast is a method of sending Internet Protocol (IP) datagrams to a group of interested receivers in a single transmission. It is the IP-specific form of multicast and is used for streaming media and other network applications. It uses specially reserved multicast address blocks in IPv4 and IPv6. IP Multicast is a technique for one-to-many and many-to-many real-time com...
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Speex: A Free Codec For Free Speech
Nov 17 , 2021
Overview Speex is an Open Source/Free Software patent-free audio compression format designed for speech. The Speex Project aims to lower the barrier of entry for voice applications by providing a free alternative to expensive proprietary speech codecs. Moreover, Speex is well-adapted to Internet applications and provides useful features that are not present in most other codecs. Finally, Speex is ...
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FreeSWITCH: Free And Open Source Softswitch
Dec 02 , 2021
What is FreeSWITCH? FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a versatile software implementation that runs on any commodity hardware. From a Raspberry PI to a multi-core server, FreeSWITCH can unlock the telecommunications potential of any device. Combined with our hosted cloud platform, SignalWire, FreeSWITCH can inter...
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ARP：Address Resolution Protocol
Dec 02 , 2021
What is ARP? The Address Resolution Protocol(ARP) is a communication protocol used to discover the data-link layer address(Layer 2 address like Media Access Control(MAC) address) associated with an Internet layer address(Layer 3 address like IPv4 address). ARP was defined in 1982 by RFC 826. ARP is a request-response or request-reply protocol in which one device sends a request to another device a...
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FFmpeg: Using FFmpeg On PA System
Dec 10 , 2021
What Is FFmpeg? FFmpeg is the leading multimedia framework, able to decode, encode, transcode, mux, demux, stream, filter and play pretty much anything that humans and machines have created. It supports the most obscure ancient formats up to the cutting edge. No matter if they were designed by some standards committee, the community or a corporation. It is also highly portable: FFmpeg compiles, ru...
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VLC Media Player
Dec 24 , 2021
What is VLC media player? VLC media player (previously the VideoLAN Client and commonly known as simply VLC) is a free and open-source, portable, cross-platform media player software and streaming media server developed by the VideoLAN project. VLC is available for desktop operating systems and mobile platforms, such as Android, iOS and iPadOS. VLC is also available on digital distribution platfor...
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JRTPLIB: RTP Open Source Protocol Library
Dec 24 , 2021
What is JRTPLIB? JRTPLIB is an object-oriented library written in C++ which offers support for the Real-time Transport Protocol (RTP), defined in RFC 1889. It makes it very easy to send and receive RTP packets and the RTCP (RTP Control Protocol) functions are handled entirely internally. The latest version of the library is 3.11.1 (March 2017). The 3.x.x series is a complete rewrite of the library...
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