4ms Company Spectral Multiband Resonator Manuel de l'utilisateur - Page 6

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Filtering audio: basic re-mixing

Audio

track

Re-mixing audio tracks often involves highlighting certain instrumentation and getting rid of others. This can be done by

boosting and cutting frequency bands with the SMR. Note that if you're using a line level signal, you need to first boost it to

modular level.

Input a modular level audio signal into the IN jacks (use the odds jack for mono, or both jacks for stereo).

Take the output from the OUT jacks to your mixer (use the evens jack for mono, or both jacks for stereo).

Turn RES (Q) all the way down. Unlock any Lock button that's lit by tapping the button.

Hold down the ROTATE knob while you turn it. The bottom six LEDs should change color, each color represents a

different bank. Keep holding down and turning until the you've selected the deep blue bank. Any bank will work, but the deep

blue bank is nice for re-mixing because the scales are set to common graphic EQ frequencies.

Slide channel 1's slider up and the rest of the sliders down. Turn the ROTATE knob to rotate channel 1 while you listen to

the audio. (If you're in scale mode, click the ROTATE button once to switch to rotate mode – see Rotation section on page 10

for details). Keep rotating until you find a frequency band you want to boost. Adjust the RES (Q) knob to narrow the band and

add resonance if you wish.

You may also want to adjust the left Freq Nudge pot to fine-tune the frequency.

When you find the frequency setting you want, tap the channel's Lock button. This will lock the rotation as well as the

Freq Nudge setting. If you also want to lock the Resonance setting, wiggle the RES (Q) knob while holding down the Lock

button. The Lock button will be lit if the channel is locked, and also flicker if it's Q-locked. If you don't lock the Q, then the

channel's resonance will be controlled by the RES (Q) knob and jack along with all the other channels with unlocked Q.

Repeat this process (steps 5-7) for channels 2-6. Note that for channels 2, 4, and 6 the Freq Nudge knob on the right is used,

while for channels 1, 3, and 5, the Freq Nudge knob on the left is used. Make sure the 135 | 1 switch is set to 135, and the

246 | 6 switch is set to 246 (otherwise the respective Freq Nudge knobs will only control channels 1 and 6).

After setting all the channels to a useful frequency, adjust the mix of the six sliders. Play with adjusting the Q of each channel

(you can hold the Lock button and re-adjust the Q knob to change a Q-locked channel). You can range from essentially a re-

EQ'ed track to harmonizing, resonant bowl sounds. Since each channel has a different Q value, both sounds can co-exist.

To take the next step, consider running LFOs, envelopes, or clock gates into the Level CV jacks.

Consider rotating some channels while keeping others still. One technique is to manually unlock channels, apply rotation, and

then re-lock them. To maintain the Q-lock setting while unlocking rotation, hold the Lock button for 2 seconds to unlock.

When one or more channel is unlocked, turn the ROTATE knob or use a trigger into the Rotate Trig jacks. The trigger could

even be synchronized with the signals you're running into the Level CV jacks. Or run an LFO or envelope into the Rotate CV

jack. Play with Morph to make the rotation slower or faster. Another idea is to run a slow LFO into the Freq jacks, to create a

filter sweep effect.

Keep this patch going, and continue on to the next patch idea...

TO MIXER