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User’s Manual
Version 1.2 June 2001
www.behringer.com
ENGLISH
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ULTRA-CURVE PRO DSP8024 SAFETY INSTRUCTIONS CAUTION: To reduce the risk of electric shock, do not remove the cover (or back). No user serviceable parts inside; refer servicing to qualified personnel. WARNING: To reduce the risk of fire or electric shock, do not expose this appliance to rain or moisture. This symbol, wherever it appears, alerts This symbol, wherever it appears, alerts you to the presence of uninsulated you to important operating and dangerous voltage inside the maintenance instru
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ULTRA-CURVE PRO DSP8024 FOREWORD Dear Customer, welcome to the team of ULTRA-CURVE PRO users and thank you very much for expressing your confidence in BEHRINGER products by purchasing this unit. It is one of my most pleasant tasks to write this letter to you, because it is the culmination of many months of hard work delivered by our engineering team to reach a very ambitious goal: making an outstanding device better still. The ULTRA-CURVE has for quite a long time been a standard tool used by nu
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ULTRA-CURVE PRO DSP8024 ! " # $ " %& $ % # " " # ! ## # High-end AKM and CRYSTAL 24-bit AD/DA converters for ultra-high dynamic range and resolution Open-ended & “future-proof” architecture allows for future software upgrades Ultra-musical dual 31-band graphic equalizer with “true frequency response” characteristics Low/high/bell shelving tool with variable slope (3 - 30 dB) Real time ana
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ULTRA-CURVE PRO DSP8024 TABLE OF CONTENTS 1. INTRODUCTION.....................................................................................................................6 1.1 The design concept ......................................................................................................................... 6 1.2 Before you begin ............................................................................................................................. 6 1.3 Control elements .......
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ULTRA-CURVE PRO DSP8024 1. INTRODUCTION The BEHRINGER ULTRA-CURVE PRO is a fully digital sound processing device based on DSPs and 24-bit A/D and D/A converters. The high-speed DSPs are capable of performing any process in fractions of a second, the only element governing their performance being the software. The enormous flexibility available means that the ULTRA-CURVE PRO has a range of features greatly exceeding those found in a conventional analog graphic equalizer—at a price previously unim
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ULTRA-CURVE PRO DSP8024 The automatic servo function recognizes the presence of unbalanced connectors and adjusts the nominal level internally to avoid level differences between the input and output signals (6 dB correction). The optional digital input and output (AES/EBU interface) connections are balanced with a negative ground. High-quality connectors ensure isolated, noise-free signal throughput. The MIDI connections (IN/OUT/THRU) have been realized with standardized DIN plug-in connectors.
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ULTRA-CURVE PRO DSP8024 In each case pressing on the opposite key while holding the key being used will accelerate the operation being carried out. Fig. 1.2: The rear panel layout of the ULTRA-CURVE PRO 9 This is the MAINS CONNECTOR/FUSE HOLDER/VOLTAGE SELECTOR. Before you connect the unit, please make sure that the displayed voltage corresponds to your mains supply. Please note that, depending on the mains voltage supplied to the unit, the correct fuse type and rate must be installed. In som
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ULTRA-CURVE PRO DSP8024 2.1 EQ mode Fig. 2.1: Main EQ window of the ULTRA-CURVE PRO The display shows a 31-band graphic equalizer, along with the main fader for overall level control—slightly separated on the right hand side. On the left are the pictograms for the softkeys, which are used to open the sub-menus. 2.1.1 Operating the graphic equalizer The selected controller is illustrated highlighted in the display. The vertical cursor keys are used to adjust levels, the horizontal keys to select
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ULTRA-CURVE PRO DSP8024 When the limiter threshold is exceeded, the indication LIM will appear in the level meter display to indicate that the limiter is attenuating the output. With softkey A you leave the level meter, and return to the main EQ window. With softkey B you erase the maximum levels from the memory. With softkey C / you switch the display from the ULTRA-CURVE PRO input and output. With key D you can choose between three different tables of reference levels. The 0 dB point is indi
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ULTRA-CURVE PRO DSP8024 search means that the audio signal is continuously examined for signs of feedback. If feedback is detected, the ULTRA-CURVE PRO will assign an appropriate filter to the relevant frequency and apply narrow band attenuation, also known as a “notch filter”. The parameters which have been used will be continuously displayed. The next feedback will be dealt with by the next available filter. When all the filters have been used, and feedback still occurs, the filter used for th
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ULTRA-CURVE PRO DSP8024 question “CLEAR PROGRAM IN MEMORY?” which can be confirmed with . By using you can stop at this point and leave the settings as they are. We recommend that you make use of this feature whenever you have something completely new to do and have to start from scratch. This way, you can carry on without the danger that maybe an old feedback destroyer setting is in the place which could cause problems. In any case it is the quickest and most convenient way to reset all the pa
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ULTRA-CURVE PRO DSP8024 Channel switching In the EDIT menu, you can switch back and forth between the two channels, using softkey C. The pictogram for softkey C will show you which channel is active, and whether or not the channels are connected to each other via the stereolink function: left channel, stereolink on right channel, stereolink on left channel, stereolink off right channel, stereolink off. Comparison functions Softkey D (A highlighted) or (B highlighted) allows you to compare
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ULTRA-CURVE PRO DSP8024 possibly causing the noises mentioned above. SHELVING SLOPE This is a tool which you can use to easily add high shelving, low shelving and bell-shaped response curves to the graphic equalizer (see section 2.1.5 on previous page). LIMIT THRESHOLD The ULTRA-CURVE PRO has an integrated digital limiter to protect against overloading and resulting distortion. Its Attack Time is zero, in other words, it reacts “in advance”. This way it acts as a real “brick wall” and can be us
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ULTRA-CURVE PRO DSP8024 f: the frequency in Hertz of the selected band, act: the level present as the display was frozen, max: the highest level reached on this frequency up to the point in time when the display was frozen (the maximum values stored in memory can be replaced). The levels displayed in the RTA refer to the digital maximum. PROGRAM: Shows the current RTA program number (1-10). In contrast to EQ programs, it is not possible to name RTA programs. If after approx. four seconds, no c
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ULTRA-CURVE PRO DSP8024 increasing the decay results in a slower display. Short decays are necessary to display fast processes, whereas using long decays with static signals will result in a “quieter” display, which is usually desirable for this type of signal. 2.2.5 RTA setup The RTA SETUP menu is opened by pressing the SETUP key. The RTA SETUP window appears in the display and the LED above the SETUP key flashes. Fig. 2.9: RTA SETUP window You can use the cursor key to choose the parameters
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ULTRA-CURVE PRO DSP8024 = sine wave, OFF = signal generator off or INPUT = input signal. White noise is composed of multitudes of sine waves packed close together, of equal amplitude, whose phases are random compared to each other (statistically different from each other). Their “density” or, spectral intensity is constant at any given frequency. With pink noise, the spectral intensity is inversely proportional to the frequency. In other words, the intensity of White Noise is constant for an abs
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ULTRA-CURVE PRO DSP8024 more than 12 dB to reach the desired frequency response. If this is the case, you may assume that the loudspeaker system being used is not capable of reproducing this frequency (typically if it is a very low or high frequency). The ULTRA-CURVE PRO will therefore completely avoid the boosting of this frequency to any extent. This will avoid any overloading of the loudspeakers. Please bear in mind that the test signal passes through the equalizer during the measurement proc
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ULTRA-CURVE PRO DSP8024 rates, the ULTRA-CURVE PRO will be muted for approx. 1 sec., as all the filter parameters have to be recalculated. In purely analog mode the 48 kHz rate should be used. Apart from the fact that the high sample rate gives the widest frequency response and correspondingly the best possible sound, at this rate the fastest signal processing takes place. VIEWING ANGLE Viewing angle controls the contrast adjustment for the display, in increments from 0 to 31. A second possibili
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ULTRA-CURVE PRO DSP8024 MIDI Here the MIDI function is switched on or off. Toggle between ON and OFF with the +/- buttons. CHANNEL This field indicates the current MIDI channel. OMNI MODE signifies that MIDI commands from all channels are received. SND MEMORY DUMP You can send a MIDI dump using the +/- buttons. The complete memory will be transferred and can be stored externally. RCV MEMORY DUMP You can start the reception of a MIDI dump using the +/- buttons. The externally saved data can be re
