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Propellerhead Polar Operation Manual

Dual pitch shifter
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POLAR DUAL PITCH SHIFTER
OPERATION MANUAL

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  • Page 1 POLAR DUAL PITCH SHIFTER OPERATION MANUAL...
  • Page 2 The information in this document is subject to change without notice and does not represent a commitment on the part of Propellerhead Software AB. The software described herein is subject to a License Agreement and may not be copied to any other media expect as specifically allowed in the License Agreement. No part of this publication may be copied, reproduced or otherwise transmitted or recorded, for any purpose, without prior written permission by Propellerhead Software AB.
  • Page 3 Polar Dual Pitch Shifter...
  • Page 4 Introduction The Polar Rack Extension from Propellerheads is a dual pitch shifter unit. The concept of Polar is based on the classic harmonizing effect units of the 80’s - with added features and possibilities. In this day and age a harmonizing effect is a vocal “magic box” that harmonizes and formant-corrects the pitched harmonies - and also has advanced analysis and “intelligent”...
  • Page 5 Setting up for pitch processing of “live” audio Polar can of course also be used for pitch shifting live audio (not recorded on any audio track). This is great for live performances and can also be used for recording pitch-processed audio on an audio track.

  • Page 6: Loading And Saving Patches

    ‘80s. 3. Next, select Slow, Medium or Fast based on the audio material you will be running through Polar: • “Slow” is best suited for polyphonic audio and complex sounds.
  • Page 7 If you like you could increase the latency of the dry signal to make it “sync” with the Pitch Shifter 1 signal by turning the Delay knob: Setting up for dual pitch shifting 1. Follow the instructions in the “Setting up for basic pitch shifting” paragraph. 2. Activate the Pitch Shifter 2 section: POLAR DUAL PITCH SHIFTER...
  • Page 8 The Delay parameter delays only the Pitch Shifter 2 signal. Set to a low value (but above 0) will give the impression of a very wide stereo image - if Pitch Shifter 1 and 2 are panned hard Left and Right respectively. POLAR DUAL PITCH SHIFTER...
  • Page 9 • The last played MIDI note holds the pitch shift ratio until you play a new MIDI note. Using the Delay Buffer All audio to Polar passes through the Delay Buffer. This is a stereo delay which can be used in combination with the Feedback controls in the Pitch Shifter sections to create repeating pitch shifts.

  • Page 10: Input Section

    The detection time of these audio snippets is selected with the Slow/Medium/Fast knob. Use the fastest option that makes your audio still sound good. Feel free to experiment to find the optimal setting for your specific audio material. POLAR DUAL PITCH SHIFTER...
  • Page 11 1.5 s Delay Buffer Length (in 4X mode) Depending on if you selected the “Loop” or “Reverse Loop” Pitch Algorithm, the loop will run in different directions, forward or backwards. The loop Length range is: 0-1.0s. POLAR DUAL PITCH SHIFTER...
  • Page 12 Delay Buffer section All audio that is input to Polar passes via the Delay Buffer. The Delay Buffer can be used for setting the feedback delay time for both Pitch Shifters sections. You can also manually play back audio from the Delay Buffer by locking it and controlling the playback position within the Delay Buffer, see “Lock...
  • Page 13 Note that as soon as you turn off the Lock Buffer button, the “freezed” audio is replaced in real-time by the audio coming in to Polar at the moment. Note that the Delay Buffer range can be extended from 400ms to 1600ms by pressing the 4X button to the right of the Delay knob.
  • Page 14 Sum L+R Click this button to make Polar perform the pitch analysis and resynthesis on the sum of the Left and Right input signals. This saves processing power since only one (merged) input signal is analyzed and processed. The other processing channel is automatically switched off.
  • Page 15 Set the feedback delay time with the Delay knob, see “Delay/Buffer Position and 4X”. • Using feedback with delay on pitched-down audio produces continuously decreasing pitches. • Using feedback with delay on pitched-up audio produces continuously increasing pitches. POLAR DUAL PITCH SHIFTER...
  • Page 16 Pitch Shifter and/or the Dry signal also use the auto pan function. The Auto Pan rate is set with the Auto Pan Rate control, see “Auto Pan”. Volume Set the level of the pitch shifted signals. Range: -inf to 0dB Pitch Shifter 2 exclusive parameters POLAR DUAL PITCH SHIFTER...
  • Page 17 Pitch Shifter 1 and 2 are panned hard left and right respectively and are only slightly detuned. Range: 0-500ms. Keyboard Input Polar responds to MIDI Note data. MIDI Notes can be used for controlling the pitch shift amount and also for triggering the Envelope section (see “Envelope section”).

  • Page 18: Auto Pan

    Pan”. Envelope section The Envelope can be used for modulating various parameters in Polar. The ADSR (Attack-Decay-Sustain-Release) envelope can be triggered/gated by clicking/holding the Gate button. The envelope can also be triggered/gated by using the CV Gate In modulation input on the rear panel, or by sending MIDI Notes from a connected MIDI keyboard.
  • Page 19 Click the Gate button to gate the envelope. The envelope can also be gated from a connected MIDI keyboard - if you have created a sequencer track for Polar and the track has keyboard focus - or by sending a CV signal to the Gate In input on the rear panel, see “Gate”.

  • Page 20: Lfo Section

    LFO section The LFO can be used for modulating various parameters in Polar. Here you set the LFO parameters: Rate Sets the LFO rate. The LEDs above the Rate knob indicate the current rate. The rate can also be synced to the sequencer tempo by clicking the Tempo Sync button below the Waveform selector (see “Tempo...

  • Page 21: Filter Section

    A 12 dB Bandpass filter with low and high Resonance settings Bandpass filters cut both high and low frequencies, leaving the frequency band in between unaffected. Each slope in this filter type has a 12 dB/Octave roll-off. POLAR DUAL PITCH SHIFTER...
  • Page 22 Comb filters are basically delays with very short delay times with adjustable feedback. A comb filter causes reso- nating peaks at certain frequencies. The Resonance parameter controls the shape and size of the peaks. The Comb filter in Polar is positive (+), which means that low frequencies are let through. On/Off Click this to enable the Filter section.
  • Page 23 • A positive value makes the cutoff frequency go up and then down to the current Freq setting. • A negative value makes the cutoff frequency go down and then up to the current Freq setting. The Envelope parameters are set in the Envelope section, see “Envelope section”. POLAR DUAL PITCH SHIFTER...

  • Page 24: Sequencer Control

    Connections Remember that CV connections will not be stored in the Polar patch! Sequencer Control The Sequencer Control CV and Gate inputs allow you to control Polar from another CV/Gate device (typically a Ma- trix or an RPG-8). Gate The signal to the Gate input delivers note on/off.
  • Page 25 MIDI Notes Polar responds to MIDI Note information, see “Keyboard Input”. Pitch Bend Polar responds to Pitch Bend data from the pitch bend control of your MIDI master keyboard. The range is fixed at +/-1 octaves. POLAR DUAL PITCH SHIFTER...
  • Page 26 POLAR DUAL PITCH SHIFTER...

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Polar dual pitch shifter

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