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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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Tonmind SIP PCB Board Application
May 23 , 2022
Tonmind SIP PCB Board SIP-K20-M is assembled with mainboard and baseboard. It has built-in 15W amplifier, interface of MIC, Speaker, Alarm input and Reset. It also has the other version SIP-K20C-M that with 1080P video input camera. With this SIP PCB, field customer can connect analog speaker so as to realize SIP Speaker or SIP Intercom function. This may save whole cost compared to existing SIP S...
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Tonmind SIP Paging Adapter SIP-T20 Application
May 29 , 2022
Tonmind SIP Paging Adapter SIP-T20 is simple and slim design with black color. It has built-in 15W amplifier, interface of MIC input, Headset output, Speaker output, GPIO Alarm input, GPIO Alarm output, Relay Alarm output. With this SIP Paging Gateway, field customer can connect analog speaker or amplifier so as to realize SIP Speaker or SIP Intercom function....
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Tonmind SIP PCB Board SIP-K20-M And SIP-K20C-M
Jun 14 , 2022
There are 2 versions of Tonmind SIP PCB Board, SIP-K20-M and SIP-K20C-M. They have the same specification except that SIP-K20C-M comes with camera module. They have built-in 15W amplifier, interface of MIC, Speaker, Alarm input and Reset. Both version of PCB SIP can be used in speaker, IP intercom or door phone project. If you need video input, then you can choose SIP-K20C-M. Otherwise, SIP-K20-M ...
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AEC: Acoustic Echo Cancellation
Jun 24 , 2022
What Is AEC? AEC is an audio processing effect found in Digital Signal Processors (DSPs) that are designed for audio conferencing, when there is a room with microphones and loudspeakers on the “near side” of a phone or online call as well as someone at the “far side.” The goal of AEC technology is to remove what’s referred to as “acoustic echo,” a byproduct of performing an audio call in a room wi...
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Tonmind IP Speaker, SIP Paging Adapter Are Compatible with IP PBX
Jul 01 , 2022
With standard SIP protocol, Tonmind IP Audio including IP Speaker, SIP Paging Adapter are compatible with most SIP-based IP PBX platforms. Tonmind IP Speaker / SIP Paging Adapter have been tested or certified to interoperate with main IP PBX such Asterisk, 3CX, Yealink, Yeastar, Planet, ect. After connected the IP PBX, Tonmind IP Speaker/SIP Paging Adapter can realize functions of announcement, mu...
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AGC: Automatic Gain Control
Jul 29 , 2022
What Is AGC? Automatic gain control (AGC) is a closed-loop feedback regulating circuit in an amplifier or chain of amplifiers, the purpose of which is to maintain a suitable signal amplitude at its output, despite variation of the signal amplitude at the input. The average or peak output signal level is used to dynamically adjust the gain of the amplifiers, enabling the circuit to work satisfactor...
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SNMP: Simple Network Management Protocol
Aug 04 , 2022
What Is SNMP? Simple Network Management Protocol (SNMP) is a network protocol that is native to IP networks and compatible with most network devices. SNMP monitoring provides a standardized way for network engineers and admins to gather information about networking equipment, and helps ensure that a company’s network is running smoothly. Many network monitoring tools rely on SNMP to gain visibilit...
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