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H910 H949

This effect emulates the sound and functionality of Eventide's legendary H910 and H949 Harmonizer® effects units. The H910 Harmonizer was the world's first real-time pro-audio pitch changer and introduced the word "glitching" to the pro-audio vocabulary. The H949 was the world’s first de-glitched Harmonizer.

Unlike the Diatonic pitch shifters, pitch shifting is in the feedback loop allowing for arpeggiated repeats.

Note: For the purists in our audience, you may remember that the H910 and H949 were mono in, stereo out devices. In other words, they featured a single pitch shifter with independently adjusted delays. To best emulate these vintage boxes, we recommend that you set either Pitch A or Pitch B to unison (1.00) and use that output for feedback without pitch change. Also note that these recreations offer ten times the maximum delay of the original gear.

Videos

H9 Control View - Click (+) for more info

H910 H949 Algorithm Controls
Mix [MIX]
wet/dry mixer, 100% is all wet signal.
Pitch A/Pitch B Mix [PICHMX]
Controls the ratio of the level of Pitch A to Pitch B.
Pitch Shift Up A [PICH-A]
Controls the amount of pitch shift for voice A expressed as a ratio.
Pitch Shift Down B [PICH-B]
Controls the amount of pitch shift for voice B expressed as a ratio.
Delay A [DLY-A]
Controls the amount of time delay of the A pitch-shifted output. With Tempo OFF, delay is displayed in mSec. With Tempo ON, delay can be sync’d to the tempo and is displayed as a rhythmic sub-division of the tempo beat value.
Delay B [DLY-B]
Controls the amount of time delay of the B pitch-shifted output. With Tempo OFF, delay is displayed in mSec. With Tempo ON, delay can be sync’d to the tempo and is displayed as a rhythmic sub-division of the tempo beat value.
Splice Type [TYPE]
Selects the type of Harmonizer emulated [H910], [H949-1], [H949-2] and [MODERN]. The H949 offered two splicing algorithms. Algorithm 1 created a ‘soft’ gradual splice. Algorithm 2 analyzed the audio and used an intelligent splicing algorithm that was successful in greatly reducing glitching. You can select each of these algorithms and emulate their classic sounds. Of course, given the many orders of magnitude increase in DSP power since the days of the H910/H949, even greater intelligence can be brought to bear in de-glitching. The [MODERN] pitch shifting algorithm takes advantage of its powerful DSP to further improve de-glitching. Each of these algorithms has a distinct quality and, when combined with various amounts of delay and feedback, offers a broad pallet of pitch-shifting effects
Pitch Coarse/Fine Control [P-CNTL]
Selects the type of pitch ratio control for Pitch A and Pitch B knobs. Normal allows continuous control as a pitch ratio. Micro allows for fine adjustments around Unison. Chromatic allows you to select intervals equal to the 12 note per octave scale.
Pitch A Feedback [FDBK-A]
Controls the amount of feedback for Delay A.
Pitch B Feedback [FDBK-B]
Controls the amount of feedback for Delay B.
Output Level
At 0 the output level is unaffected. Increase the output level of the effect by up to 20 dB or lower by 30 dB.
TEMPO ON / TEMPO OFF
Tempo is turned ON/OFF on the H9 by simultaneously pressing the Right Footswitch and the PRESETS button. With Tempo OFF, tapping can be used to adjust delay parameter values (displayed as milliseconds or Hz). With Tempo ON, tempo is in BPM.
Active
Turn effect on or off..
REPEAT
Press and hold for infinite repeat..
TAP
If Tempo is ON, the display indicates the current tempo in BPM (30 to 500 BPM) while tapping and the Tap LED will blink at the BPM rate. If Tempo is OFF, the display indicates the parameter value (milliseconds for most algorithms).