H Ultra-Harmonizer®. INSTRUCTION MANUAL. Eventide the next step Harmonizer is a registered trademark of Eventide Inc. for its audio pitch shifta. H Ultra-Harmonizer (R) SERVICE MANUAL Eventide the next step TABLE OF CONTENTS INTRODUCTION H SPECIFICATIONS OPTIMUM. This is not mine. i tip my hat to the guy/guys who put in the effort to do this. Thank you sir and sirs service manual User manual.
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This number is then sent to the 2 to 1 multiplexors U and U Therefore, a rather complex multiplexing circuit is needed. Check audio when bypassed. This consists of all the switches, the knob, the keypad and the 40 character by 2 line LCD display located on the front panel PC board.
At the same time the discharging current is turned on, a high speed counter starts and continues counting until the low order comparators flip or a maximum count of 32, evntide reached. This 74LS is a tri-state line driver.
H Series User Manual | Eventide
It automatically tests and logs errors for the digital circuitry. This forms the specified 5 mA current loop.
Closing any of the switches will generate a data byte to the Brain to indicate which one it was. This includes loadinq executable code into each of the PELs, calculating and setting all signal processing? U and U are the output latches for the delay eventiee.
This h30000 the digital data in the process. A thorough under-standing of the operator’s manual will avert many operator error conditions. When the counter stops, it contains the converted value. Distortion analyzer filters may be necessary. Data is not written to or read from the Global Data bus during this operation.
Its output is always enabled. Each 22 microsecond sample period is mmanual divided into time slots, each slot correspondinq o an available bus cycle. This is an interrupt to the brain.
Here the first burst of 1 6 clocks convert one channel to parallel then the second burst converts the other. This reset is applied to mznual brain, which begins fetching instructions from memory. On rare occasions, after step B, the upper line of the H30000 display will flash, and then the display will black out. The TMS is a gigantic number cruncher that operates very fast.
Audio crashes after warm-up. It is most susceptible to over heating, cold starting, component tolerances and clock rise times. U inverts the signal for the right mahual.
It can also clear all of the user memory, so beware. Now let’s evengide analog signals into the H Some are general purpose bits, intended for handshaking and triggering events. Therefore, pushing the top left switch 1 will make pin 1 continuous with pin 5 and so on.
A magnitude comparator U compares the current 16 bit sample value to a jumper selected offset value and sends a “0” or a “1” to an integrator U1 6A whose filtered output is mixed with the “gross” offset from the diode biasing circuit. If the jumpers are set for dBm the output will be clipping from too much gain.
The right is identical. The following is a semi-detailed circuit description for channel A. Read instruction manual sections on MIDI. This enables the Status Bit latches. U92 performs the write decodes in the same manner. It is really an expanded address decoding circuit. The TMS has four possible internal states.
Monitor the distortion residual the T. They should not be held to any strange levels. Check Central Timing Circuits. The held sample is “integrated down” in two evventide stages of resolution by U7A and U7B. U and U are used to stretch the pulses to more exact widths. The fader interface controls the digital attenuator circuits in the input and output section.
Needless to say the 2 signals will most likely slide in and out of sync with time, temperature and component tolerances. C95 and R92 alleviate charge ejection and other transient effects that cause circuit noise and distortion. As great as the responsibilities of the host are, they are not very computationally intensive.
Check output level settings.
U is not as simple. Like the TMS, the global bus has 8 read ports and 8 write ports each mapped to the various peripheral devices on the bus. If one, for example eventied a bit slower than the others it will corrupt the audio data that is being processed by the three. The address is put on the Global Data bus as a 16 bit word. These are both test points.
The H is a software-based, digital audio, signal processor which j3000 electronically balanced, stereo inputs and outputs to produce a variety of audio effects. These three enable the outputs of the mailboxes.