splitting freq in reason
Posted: Wed May 06, 2009 1:34 pm
im sure there is a better and easier way than the long arse way i do it! any body care to share their technique for this, or got a combi/rsn i can have a look at? much appreciated
1> The actual audio need to be split and summed back together again.
2> We ideally want control over the frequency bands that the audio is split into
3> We may want to have different ways of processing each frequency band (insert vs send effcts etc)
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Building the combinator:
1> Create the combi device!
2> Create a device to split the actual audio signal . Your otions include using the spider audio slitter/merger, or using a Mixer 14:2. Which device you decide on depends on how many frequency bands you need, your tolerance for keeping wires tidy and whether you want presplit gain control.
I'm going to use the Mixer 14:2 in this example, as it gives use several creative possibilities which I'll explain later.
Flip the rack around, and patch wires between the 'To Devices' output on the back of the combinator into the 'Channel 1' input. If the 'Master Output' auto routed into the 'From Devices' input on the back of the combinator, unwire it.
3> Create 4 Vocoders, set them all into FFT EQ mode using the two knobs on the left hand side. Name them 'Low', 'Low-mids', 'High-Mids' & 'High'.
4> Flip the rack around by hitting 'Tab' and wire all the 'Auxillary Send' outputs on the back of the mixer into the audio inputs for each of the vocoders.
5> This is where we need to make a decision about whether we want to process our audio with insert effects or send effects. I'm going to use send effects for this example as it gives us more flexibility.
6> Create a Line mixer under each vocoder, and label them according to the vocoder they sit under. Wire the output of each vocoder into the 'Channel 1' input on each line mixer.
7> Create another line mixer and label it 'Summing Device'. Wire the master ouput to the 'From Devices' input on the bottom right of the Combinator.
8> Wire the master output of each of the four mixers into channels 1 - 4 on the 'summing device' mixer.
9> Finally, we need to create the frequency bands that we want to split the audio with. On each vocoder, use the graphic eq bands to split the audio. Thus on the 'Lows' vocoder, leave only the first 5 bands untouched, and bring the rest of them to 0.
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Creative tips:
A> By using the Auxillary sends on the Mixer 14:2, we can control the signal level being sent into each frequency band. You could tie these four knobs to the Combinator Rotaries for easier access.
B> We can use the mixer below each vocoder to send part of the signal to effects, or we can insert effects directly into the signal chain by attaching effects to the master output of each line mixer.
C> We have further processing opportunities when the signal is summed together again in the summing device mixer. We can either use the send controls on the mixer, or insert effects directly on the master output.
D> We can create kill switches for each frequency band by assigning the Combinator buttons 1- 4 to the 'bypass' switch on each of the vocoders. This makes working on each band easier, as you can mute the other bands quickly.
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Have fun!
Thanks for the combi!!!
-> usefull each and every time 
