Saturday, December 18, 2010
【 Weak current College 】 mixer output section detailed description
Mixer output part of the arrangement has the following rules:
(1) there are a few root bus mixer, must have corresponding output socket.
(2) each output jacks of the acoustic signals must be in a mixer with its corresponding adjustment keys may be sliding key or a knob.
(3) each output regulation function keys are equipped with a monitor button next to the General push button next to the monitor button is pushed, the former listening PEL listens to press the next button to go through the knobs of listening (AFL).
(4) from the secondary return (AUXRET) or effect returns (EffectRTN) jack into the mixer's signal, adjust its size with the buttons and the corresponding sound like spin PAN.
(5) where the left and right output or edit output socket, generally have the INS (also out of and into Jack), its purpose is to separate the output signal on the output before a special processing, but not mounted INS auxiliary output jack.
(6) if the output section is equipped with headphones and a microphone to speak, generally its t.b.mic Jack bypass has its volume size of the spin button.
If you have more than six rules, then the output of the mixer section of function key role will be familiar.
III. key points of the operation using a mixer
(A) single sound reinforcement
At the Disco halls, dance halls or background music playback Hall, often with monophonic sound reinforcement, on these occasions do not need stereo playback. Then, under connect sound mixer should include:
(1) the use of auxiliary sent AUXSEND, the power amplifier (next to the bridge), threaded loudspeaker for sound reinforcement. At this time, spread out of sound usually does not take effect.
(2) using the left and right channels of which all the way to output or grouped output all the way or mixed in a single sound output, the power amplifier (next to the bridge), threaded speaker for sound reinforcement. At this time, spread out the effect of sound usually have.
(Ii) stereo sound reinforcement
In OK Hall, concert halls, stars in need for stereo playback. In this case, use left and right channels at the same time, output or using grouping output 1 and output 2 or group 3 and 4 at the same time sent via amplifier (received in stereo mode) and the corresponding speaker make amplification. At the same time, it should be noted that two speakers of a substantial, maximizing the stereo-field. In addition, it should be noted that each sound source space of sound, smart regulation the Fader and PAN on the road, the appropriate arrangements for the location of its space. For singing voice and the main musical instrument music, adjust the PAN in middle position, push the Fader, the outstanding performance of the musical sound and master. If the input is stereo sound source, must be in a mixer output retain their original sound, don't put it on the PAN and Fader, otherwise, sounds confusing, even singing sound and music will not be able to rub together. Retain their original sound is left channel input takes up all the way, the mixer on the PAN to the left and right channel input mixer another way, occupied the street in the PAN to the right. At the same time, the second road faders adjust at the same altitude. This stereo sound source on the left and right channel bus marshalling is preserved on the bus.
(3) on the monitoring
Usually listen refers to stage monitor, that is, for theatrical professionals listen and adopts professional mixer secondary transmission (AUXSEND), sent to the listening power amplifier, stage za laugh. On the need to listen to the sound of the road corresponding auxiliary knob turned on. Listen to the voice is not required, the appropriate ancillary of the road, so you can close the knob to supervise various music or singing voice of the individual. Headphones and listening to the stage, headphones is a tuner to listen the sound source input mixer after status as well as various mixed output, use the headphones, you can check the sound source and fix various adjustable sound mixer.
(4) effect machine and mixer in connection
1. every road INS Jack, separate the way sound signal effect processing, from INS Jack the road of acoustic signals into effect machines, Warp effect machine processing, voice signal effect comes out, and then return from the Jack sound mixer, the Add method is suitable for large Orchestra on all kinds of music and singing sound effects processing.
2. use auxiliary sent out (AUXSEND), the sound signal into the effect of input, output from the effect of the machine receiving the supplementary return-end sound mixer (AUXRTN), on the need to address the voice signal, will the road corresponding auxiliary knob turned on do not need to handle the voice signal, then the road corresponding auxiliary knob turned off. This connection can be used by an effect machine processing multiple similar sound source (e.g. multiple people singing).
3. use auxiliary sent out (AUXSEND), the sound signal into the effect of input, output from the effects of machine received a one of a mixer line input (Line). Then, take this road, as a result of processing (zoom, balance, sound like, mixing ratio, etc.), and the effect of faders for road mix adjustment easier. But this way all of the secondary knob must be closed. Otherwise, there will be whistling sound reinforcement systems, or in a secondary effect of noise on the bus.
(5) on the secondary bus (AUXBus)
Secondary bus can do effect line (EffectBus), listens to the bus (MonitorBus), cable voice bus (control lights, etc.) or can be used to separate some of the sound source for recording or sound reinforcement. In short, the more secondary bus, the tuner uses up more easily, and even can do a variety of occasions using a mixer control synchronized playback, or play a variety of music.
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