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Tonmind VS Axis IP Speaker
Oct 20 , 2021
Axis IP Speaker has been a leading brand for SIP Audio Prodcuts worldwide. Herewith we compare the parameter between Tonmind and Axis SIP Paging Speaker. Tonmind IP PoE Speaker Advantages. • Support much more codec for better sound quality, including OPUS，MP1/MP2/MP3...etc. • Higher rated power up to 30W for clear and loud voice. It's 15W and 30W optional. • Much more cost-effective. The whol...
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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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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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CGI: Common Gateway Interface
Feb 13 , 2022
What is CGI? Common Gateway Interface (CGI) is an interface specification that enables web servers to execute an external program, typically to process user requests. Such programs are often written in a scripting language and are commonly referred to as CGI scripts, but they may include compiled programs. A typical use case occurs when a Web user submits a Web form on a web page that uses CGI. Th...
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NTP: Network Time Protocol
Apr 15 , 2022
What Is NTP? The Network Time Protocol (NTP) is a networking protocol for clock synchronization between computer systems over packet-switched, variable-latency data networks. In operation since before 1985, NTP is one of the oldest Internet protocols in current use. NTP was designed by David L. Mills of the University of Delaware. Tonmind IP Speaker applies NTP for time-aligned schedule play. Afte...
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