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FOLLOW listens to the input after the INPUT knob control, so 
adjusting the INPUT knob will affect the amplitude of the FOLLOW 
output as well.

INPUT

SIGNAL

ENVELOPE FOLLOWER

RESPONSE

SLOW

MID

FAST

10 BEYOND

Because the two filter signals get subtracted, the resulting spectrum 
also gets subtracted. Therefore, you can only hear the signal in-
between the two cutoff frequencies. That constitutes a flexible band-
pass filter, where the STEREO knob in SPREAD mode would define 
the width of the band-pass filter. Both border cutoff frequencies of 
such a filter can have resonant peaks when RESONANCE is engaged. 
This filter topology is often referred to as the twin peak filter.

The BEYOND output can also be used in conjunction with L OUT to 
create surreal stereo images, or it can be used to modulate any of 
the filter parameters.
 
When listening to the BEYOND output and using the STEREO 
modulation in the PAN mode, you will effectively obtain a ring modulator 
on the output of the filter. Use a slow CV to achieve tremolo effects, 
or use audiorate signals to get ring-modulated tones.

20KHZ

20KHZ

FREQUENCY

FREQUENCY

L OUT (MONO)

LEFT CUTOFF

LEFT CUTOFF

RIGHT CUTOFF

RIGHT CUTOFF

BEYOND OUTPUT

LOUDNES

S

LOUDNES

S

20HZ

20HZ

SPECTRAL

SPECTRAL DIFFERENCE

ADDITION

Содержание Casper IKARIE

Страница 1: ...TWIN AUT O FIL TER IKARIE...

Страница 2: ...ptional overdrive of the input and you can explore a vast universe of sound design possibilities from liquidy through pinged percussive to lush and eerie All in a very compact form factor with tons of...

Страница 3: ...lexible patch programmable topology Beyond output for difference spectrums twin peak filter modulation attenuverter v oct input with scaling trimmer accessible from the front panel output stereo VCA p...

Страница 4: ...their respective inputs and outputs This is useful for filtering stereo signals or for monophonic multi peak resonance formant filtering The two filters are routed in parallel but can also be routed i...

Страница 5: ...12V rails on that bus board the power rails are not overloaded by current Although there are protection circuits in this device we do not take any responsibility for damage caused by the wrong power...

Страница 6: ...R E S O N A N C E TWIN IKARIE AUTO R IN VCA CV L IN V OCT MOD LP HP CUTOFF X INPUT MOD STEREO FOLLOW FAST MID SLOW S PR EAD PAN MONO 2 4 6 9 10 7 8 5 3 1 FRONT BACK...

Страница 7: ...OUT R OUTV 3 CUTOFF 4 MOD 5 RESONANCE 6 V OCT 7 STEREO 8 VCA CV 9 FOLLOW 10BEYOND P A TCH TIPS FORMANT FILTERING QUAD ACID BEYOND STEREO PINGING FM PINGING SELF OSCILLATION POST FILTER RING MODULATOR...

Страница 8: ...Listen thru L OUT only for both left and right channels mixed together Connect cables to both L OUT and R OUT for stereo output Going into L IN and only listening to L OUT results in parallel filterin...

Страница 9: ...the more profound the impact on the final sound will be especially when modulating the CUTOFF frequency With no signal present at the input of the filter or with the INPUT turned fully CCW Ikarie will...

Страница 10: ...on when using the filter in mono The default state with no effect is with the STEREO knob centered When the STEREO switch is in the SPREAD setting turning the STEREO knob CW will result in an increase...

Страница 11: ...al into control voltage representing loudness of the incoming signal Therefore it can extract envelopes from the signal and surf on top of the waveform TheFOLLOWswitchcanbesettooneofthreeresponsivitys...

Страница 12: ...r cutoff frequencies of suchafiltercanhaveresonantpeakswhenRESONANCEisengaged This filter topology is often referred to as the twin peak filter The BEYOND output can also be used in conjunction with L...

Страница 13: ...IN V OCT MOD LP HP CUTOFF X INPUT MOD STEREO FOLLOW FAST MID SLOW SPREAD PAN MONO PATCH TIPS FORMANT FIL TERING Monophonicfilteringtechniquethatemphasises2relatedfrequencies as the filter sweeps throu...

Страница 14: ...V OCT MOD LP HP CUTOFF X INPUT MOD STEREO FOLLOW FAST MID SLOW SPREAD PAN MONO QUAD ACID 4 resonant sweeps in one knob turn Similar to formant filtering but the cutoff frequencies are so far apart tha...

Страница 15: ...BEYOND output as a stereo pair and use some of the techniques mentioned above The L OUT gives the sum of the frequency spectrum of both filters and BEYOND gives you the difference When sounds like th...

Страница 16: ...with short pulses or noise bursts INPUT level plays a big part in the sound creation Take R OUT or BEYOND output and patch it into the MOD or STEREO input in SPREAD mode to create metallic alien nois...

Страница 17: ...AUTO R IN VCA CV L IN V OCT MOD LP HP CUTOFF X INPUT MOD STEREO FOLLOW FAST MID SLOW SPREAD PAN MONO SELF OSCILLA TION Use Ikarie as a chaotic unstable noise tone generator by creating external feedba...

Страница 18: ...WIN IKARIE AUTO R IN VCA CV L IN V OCT MOD LP HP CUTOFF X INPUT MOD STEREO FOLLOW FAST MID SLOW SPREAD PAN MONO POST FIL TER RING MODULA T OR Audiorate modulate STEREO in the PAN setting and listen to...

Страница 19: ...INPUT MOD STEREO FOLLOW FAST MID SLOW SPREAD PAN MONO W A VEFORM CROSSFADING The PAN mode of STEREO balances levels of the left and right filter By listening only to the L OUT you can use it to crossf...

Страница 20: ...MOD STEREO FOLLOW FAST MID SLOW SPREAD PAN MONO AGGRESSIVE 2 4DB FIL TERING Feed audio to L IN patch L OUT to R IN and listen thru R OUT for serial 24dB filtering Adding INPUT gain resonance STEREO de...

Страница 21: ...WWW BASTL INSTRUMENTS COM MORE INFO AND VIDEO TUTORIALS...

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