Propellerhead Reason Spécifications télécharger pdf (Page 219)

BV512 VOCODER

217

D For a more distinct and precise sound, try using a narrow pulse

waveform.

You get this by selecting e.g. a sawtooth wave on the Subtractor, setting the

Phase Mode selector to “–” and turning the Phase knob to the left until you

get the desired sound. This type of carrier sound lends itself well to mono-

phonic vocoder lines in the lower registers.

D Use noise as a carrier.

Try using pure noise (possibly filtered down a bit) for robotic voices, whis-

pering and special effects. It’s also very useful to add a bit of noise to a saw-

tooth or pulse sound - this makes vocoded speech clearer and more

intelligible.

D Use sampled strings or choir sounds.

A rich drawbar organ sample can also be a cool carrier sound.

D For unusual vocoder sounds, try using the Malström as carrier de-

vice, e.g. with a glassy, digital pad sound selected.

Try turning up the Attack and Decay controls on the BV512, for smeared,

rhythmic or pseudo-random modulation of a pad.

Choosing a modulator sound

The modulator sound should typically have varying level and harmonic content.

As we’ve already mentioned, the most typical modulator sounds are vocals or

speech and drums or percussion.

D The quickest way to get a modulator sound is to use a rhythmic loop

in the Dr.Rex device (as in the tutorial on page 211).

This way you don’t have to program a rhythm pattern. On the other hand, us-

ing a Redrum as modulator allows you to create exactly the rhythm you want

and fine-tune the sounds and the groove.

D To use your “own” vocals as modulator sounds, you need to record

them as WAV or AIFF files (using any audio recording utility on your

computer) and load the files as samples into an NN-19 or NN-XT de-

vice.

D Instead of using a sampler device as modulator for speech or vo-

cals, you could slice the vocal samples in Propellerheads’ ReCycle

application, and play them back with a Dr.Rex device.

This would make it easier to work with vocoded vocals, especially if you are

experimenting with different tempo settings or grooves. Tip: You can copy

the MIDI notes played by Dr.Rex to the carrier track so that the original

rhythm of the speech/vocal is preserved.

Using the modulator as carrier

You can get cool special effects by using the same device both as carrier and as

modulator. For example, try processing a Redrum device in the following way:

1. Create a Redrum device and set up the desired patch and pattern.

2. Create a Spider Audio Merger & Splitter device.

3. Create a BV512 Vocoder.

4. Flip the rack around and connect the devices in the following way:

The output of the Redrum goes into the splitter section of the Spider, and is split into two

signals. One signal goes into the carrier input of the vocoder, the other goes into the

modulator input.

This is essentially the required connections, but for best results it’s a good idea

to add some distortion and/or compression to the carrier signal - this increases

the amount of high frequencies in the carrier signal:

5. Press [Shift] and create a Scream 4 distortion device.

6. Connect the distortion device as an insert effect between the Spi-

der and the carrier input of the vocoder.

Now, the carrier signal will be processed in the distortion device, but not the

modulator signal.

7. Play back the pattern and experiment with the settings on the vo-

coder and distortion device.

D This technique can also be used to process vocals and speech.

D Try adjusting the Shift parameter for new effects and sounds.

Remember that you can route CV to the Shift parameter on the back of the

BV512 - use e.g. a Matrix or an LFO output on a synth device!

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Propellerhead Reason Spécifications Page 219

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