One, the needs of the description
Company if you need a complete set of video conferencing system, what equipment is needed, and these devices are doing what they are used for, today we will take you to recognize the equipment.
2, sound system + video conferencing system + projection system
A complete set of video conferencing system contains three systems equipment, one, sound system, two, video conferencing system, three, projection system.
2.1, sound system
Sound refers to a combination of electrical equipment to emit sound of a set of audio systems.
Audio system contains:
Sound source equipment: (columns: DVD, CD, MP3, MP4, computers, cell phones, microphones and other sound source output devices)
Audio signal dynamic processing equipment (limiters, effects, mixers, audio processors, equalizers and other audio signal processing equipment)
Audio signal amplification equipment (pre-amplifier, power amplifier, power amplifier, power amplifier, power amplifier, power amplifier, power amplifier, power amplifier, power amplifier, power amplifier, power amplifier, power amplifier, power amplifier, power amplifier) power amplifiers, post power amplifiers, digital power amplifiers and other analog power amplifiers, equipment)
Sound reproduction equipment (full-range speakers, ceiling speakers, sound poles, line speakers, array speakers, tweeters, subwoofers, etc.)
Power supply sequencer.
1, what is the speaker, the role of the speaker needless to say, mainly for the meeting of the sound of people speaking through the speaker processing, and then use the sound becomes larger, need to be used in conjunction with the amplifier.
Some people will ask, why some speakers do not need an amplifier?
That's because there are speakers inside itself with amplifier circuit, so do not need to connect the amplifier can be, this speaker is called active speakers, speakers with amplifier power supply, the volume of this speaker is generally smaller, suitable for computer use. Some speakers do not have an amplifier circuit, only the speaker and crossover, so it must be driven by the amplifier to play the speaker, this speaker is also called passive speakers, generally larger volume, sound effect.
2, amplifier, also known as the power amplifier, power amplifier
The role of the amplifier is the sound signal source from the mixing console, through the weak electrical signals to amplify the use of speakers to put out the sound.
3, mixer Hi-vobo Hi-vobo HT4 4-way mixer professional USB home conference recording shouting Netflix computer live karaoke network video conferencing
Mixer (Mixer), also known as the mixing console, which will be multi-channel input signal amplification, mixing, distribution, sound quality modification and acoustic processing, and then through the bus (Master) Output.
When the meeting, the sound emitted by the speakers have echo, you can through the mixing console over the line modulation.
4, wireless microphone
Wireless microphone, gooseneck wireless microphone, is composed of a number of pocket transmitter and a centralized receiver, each pocket transmitter has a different operating frequency, centralized receiver can simultaneously receive the various pocket transmitter issued by the different operating frequencies of the voice signal.
5, power supply sequencer
Audio equipment protector, so that audio equipment in a reasonable and orderly power on and sequencer shutdown, the use of power supply sequencers to control the switching order of the equipment, effectively reducing the current on the impact of the equipment
Power supply sequencers can be used in accordance with the equipment from the front level of the equipment to the rear equipment one by one in the order of the start of the power supply, shut down power supply by the rear level of the order of the former level of the shut down all types of electrical equipment. Close the various types of power equipment, so that effective unified management and control of various types of power equipment, to avoid human error operation, while reducing the power equipment in the switching instant impact on the power supply grid, but also to avoid the inductive current on the impact of the equipment, to ensure that the stability of the entire power system.