![]() ![]() Note that the signal strength between components is considered to be at line level. However, for more finite control, the recorder could be routed to an auxiliary bus where the mix for the recorded media could have been different. Such routing is understandable considering that you commonly want to record services. I’ve seen systems where the main out was first routed through a recording before going to the amplifier. It’s here where you need to dive behind the components and start following some cables.Īudio signals can be routed a variety of ways. The output signal can go directly to another processing device, like a reverb or compressor as mentioned above – or – it could be routed for the house loudspeakers. For example, a group could be used for additional signal processing like a compressor and therefore you can route the signal out to the unit and back in. You can send the specific group signal to a separate out. These are at the channel level and are used to send the signal out to a processing unit like a reverb unit, and then return that sound back into the channel at the same point. This could be for monitors, hallway loudspeakers, or however your system is set up. The signal can travel out of the mixer in a variety of ways: Also, signal to the auxiliary controls for the channel’s audio sends, such as for monitors, will be either before or after the fader depending on it the auxiliary control is set to send as pre-fade or post-fade. Looking at the signal flow on the mixer channel, most extra onboard controls like compression and padding occur before the signal goes to the equalizer. Out to groups (for control over multiple channels from one group channel).High-pass filter (used to cut out frequencies below a fixed point).Gain control (controls how much of the signal you are letting into the system).From the signal input, it usually follows as such: Once the signal is going to a channel, it tends to follow a general path that can vary slightly from one mixer to the next. Naturally, you have sources from the stage, but there are also have sources such as a computer, tablet, CD player, and audio feeds from video devices. The primary component that takes care of all these transfers is the mixer.Ĭoming into the mixer are a variety of sound sources that will all be assigned to the channels on the mixer. ![]() Destinations can be house loudspeakers, floor monitors, recording software, and even church nursery loudspeakers. The sound booth is like a giant airport where signals are coming in and going out, from multiple sources to multiple destinations. Consider this as the general directionality of the audio signal – from a source to a destination. For example, a singer’s voice is picked up by the microphone which, through a series of components, makes its way out to the house speakers. Asking For DirectionsĪn audio signal travels from the source towards some sort of output. Then we see what happens to that signal once it gets to the sound booth. Learning how to set up the stage, we see how the signal flows from an electric guitar to a pedal board to a direct (DI) box and then into a stage jack. In every sound system, signal flow is the flow of the audio signal from the sources of input to the places of output, from source to loudspeaker. You might say it was my first exposure to signal flow. One lesson was tracing all the pipes in the basement so I could tell which pipes had fresh water and which ones carried the other stuff. Growing up in a 100-year-old home, I learned how to fix plumbing problems. ![]()
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