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Manual
Spectralizer
Model 9631
Digital Harmonics Processor
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SOUND PERFORMANCE LAB SPECTRALIZER MODEL 9631 Manual by Hermann Gier and Paul White Version 2.2 – 1/1999 The information in this document has been carefully verified and is assumed to be correct. However Sound Performance Laboratory (SPL) reserves the right to modify the product described in this manual at any time. Changes without notice. This document is the property of SPL and may not be copied or reproduced in any manner, in part or full without the autho- rization of SPL. Limitations of Lia
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Foreword 3 Contents Thanks 3 Introduction 4 Operation Safety 5 Connections, installing Updates 6 Quick Start 7 Flow Chart 7 Control Elements ACTIVE 8 INPUT GAIN 8 FREQUENCY 9 MIX 9 2ND HARMONIC 9 3RD HARMONIC 10 DENSITY 11 LC-DISPLAY 11 SOLO 11 KICK 11 PRESETS 11 INFO (Hardware dialogue) 12 OUTPUT PPM 15 Specifications 16 Warranty 17 Dear customer, Foreword Thank you for the confidence you have shown towards SPL electronics GmbH by purchasing the SPL SPECTRALIZER. You have decided to use a tool
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SPL digital audio processors are designed in cooperation with Introduction Spectral Design of Bremen, Germany, who are responsible for the DSP programming. Concept: The SPECTRALIZER is the first digital harmonics processor Re-synthesizing second and employing a new process which allows you to re-synthesize third harmonics separately second and third harmonics separately, and with full control over their amplitude. The SPECTRALIZER benefits from SPL's expertise in psycho-acou- stic principles an
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the small timing glitches that would otherwise occur when switching the process in and out. Up to 99 presets can be stored and changed using a MIDI program change command. Display: The SPECTRALIZER is equipped with two PPM-meters that feature high resolution in the important region immedia- tely before 0dB. Clip-LEDs indicate digital clipping, while the first Input and Output LED of each PPM-meter functions as a signal present indicator PPM metering to confirm that a digital signal is present a
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Rear Panel Spectralizer Before connecting the SPECTRALIZER switch the power off at all Connections connected units. The rear panel provides AES/EBU- and S/P-DIF-inputs and outputs. Any additional channel, status and user-bits are passed through unaltered, and the outputs can be used at the same time if required. The SPECTRALIZER operates with 24 bit word width. It accepts 16 bit and 20 bit inputs and will create output signals accor- ding to the input resolution. For synchronisation purposes WO
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Set all controls to the starting positions: Quick-Start INPUT GAIN 0; FREQUENCY 1k; DENSITY 0; 2ND HARMONIC 0%; 3RD HARMONIC 0%; MIX 0%. 1. Depress ACTIVE. The status-LED illuminates. 2. Set MIX to 50%. You will notice an increase in high frequencies above 1 kHz (starting position FREQUENCY). 3. Set DENSITY to 1, to increase the audibility of the harmonics in the next step. 4. Set 2ND HARMONIC to 50% and 3RD HARMONIC to 30%. 5. If you are using full scale material for this initial test driv
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Control Elements 8 10 11 9 13 1 2 5 6 4 3 7 12 The ACTIVE function switches the SPECTRALIZER on or off. The 1 Active illuminated LED indicates that the processing is activated. The software bypass also compensates for the 5ms time delay between processed and unprocessed signal. Relay hard-bypass for AES/EBU input and output The AES/EBU input and output are equipped with relay- hard-bypass. In the event of a power failure the SPECTRALIZER is automatically switched to hard-bypass (power failure s
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FREQUENCY sets the starting frequency of the highpass filter. 3 Frequency Above this frequency second and third harmonics are being generated. The highpass filter can be varied between 1kHz and 7 kHz in steps of 500 Hz. MIX controls the mix level between the processed and the 4 Mix unprocessed signal. The control range is 0 % to 100 %. The MIX encoder is equipped with an „alpha-dial“ logic. Turning the encoder rapidly causes the values to jump in steps of 10, whereas turning the encoder slowly c
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The control range is 0 % to 100 %. The 2ND HARMONIC encoder is equipped with alpha-dial logic. Turning the encoder rapidly causes the values to jump in steps of 10, whereas turning the encoder slowly causes the values to proceed in single increment steps. If the need arises to make the harmonics more audible use the DENSITY control (see DENSITY, 7) to increase their loudness. The 3RD HARMONIC encoder controls the intensity of the added 6 3rd Harmonic third harmonics which are being generated ab
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DENSITY increases the loudness of the generated harmonics by 7 Density applying different “compression ratios”. The control offers six positions. Adjustment: If DENSITY is set to 0, the generated harmonics have low intensity even at high values for 2ND and 3RD HARMONIC. The increase in high frequencies is mostly created by the highpass filtering, which applies a shelving equalizing above the adjusted FREQUENCY encoder (see FREQUENCY, 3). Increasing DENSITY to 1 or 2 will increase audibility of
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Applying a preset: If you want to apply various presets depress APPLY for one Depress APPLY for1 sec., second. The APPLY LED starts to flash indicating that the APPLY LED flashes; mode is activated. You can step through the preset list with UP use UP/DOWN to select and DOWN. Once you have a preset that you want to apply preset no.; depress APPLY again. The APPLY LED goes out indicating that the depress APPLY again, preset is applied. LED goes out In case you want to quit the APPLY mode without a
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or: AES/EBU input without wordclock is detected Press APPLY : S/P-DIF input detected or: no S/P-DIF input detected Press APPLY (if S/P-DIF is detected): S/P-DIF with wordclock detected or: S/P-DIF input without wordclock is detected 3. Displaying the detected sample frequency: The SAMPLE FREQUENCY will be detected automatically. The display either shows 44,1 kHz, 48 kHz or 32 kHz. 4. Displaying the Audio-Error flag: NO = no error detected; YES = error detected 5. Displaying the CRC-Error flag:
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6. Displaying the Channel Difference Error flag: NO = no error detected; YES = error detected 7. Setting or erasing the Copy-Prohibit flag: NO = flag erased or not set; YES = flag set 8. Displaying the Original flag: NO = no Original flag; YES = Original 9. Displaying the Emphasis flag: NO = no emphasis; YES = with emphasis 10. Selecting a serial port: RS-232 interface for update-download from PCs or (press APPLY): RS-422 interface for update-download from MACs. 11. Selecting a MIDI channel: Dep
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In order to increase operation safety only send the necessary MIDI data to the SPECTRALIZER. Unnecessary information might lead to system failure. You can use MIDI to create a MIDI fade out, if you are working with a digital console that does not provide master inserts. The UP and DOWN LEDS illuminate indicating that a volume change command is received. You can also switch between presets with the MIDI program change command. This can especially be useful, when you are mastering a song, for exam
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Input/Output Specifications Sample rate frequency, autom. 32-48kHz 1 AES/EBU, twisted pair ( ) AES 3 AES/EBU in- & output impedance 110Ohms 2 S/P-DIF, co-axial ( ) SPDIF-2 S/P-DIF input impedance 75Ohms Wordclock In/Through, co-axial BNC Wordclock in-/output impedance 75 Ohms MIDI In/Through yes RS 232 yes RS 422 (max +/- 14V) yes Clip display yes Input transformer (AES/EBU) yes Output transformer (AES/EBU) yes Relay Hard Bypass (AES/EBU) yes Measurements AES/EBU: Jitter 1ns S/P-DIF: Jitter 3ns
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SPL electronics GmbH (hereafter called SPL) products are Warranty warranted only in the country where purchased, through the authorized SPL distributor in that country, against defects in material or workmanship. The specific period of this limited warranty shall be that which is described to the original retail purchaser by the authorized SPL dealer or distributor at the time of purchase. SPL does not, however, warrant its products against any and all defects: 1) arising out of materials or wor
