Mackie SP-DSP1 Support and Manuals
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Popular Mackie SP-DSP1 Manual Pages
Spec Sheet - Page 1
..., if the Noise Range is set to 20 dB and the Gain Range is set to increase the program signal.
The Auto Calibration procedure computes the Room Transfer Function (RTF) and prevents runaway gain. SP-DSP1
DSP
SOUND PALETTE® Series
Automatic Level Control for the SP1200/SP2400
The Mackie Industrial SP-DSP1 is a real-time digital signal...
Spec Sheet - Page 2
...
registered trademarks of Mackie Designs Inc.
SP-DSP1 Automatic Level Control for the SP1200/SP2400
DSP
SP-DSP1
Screen Shots of SP-Control Palm™ Application
Architects' and Engineers' Specifications The SP-DSP1 shall consist of a DSP card and a power supply expansion card designed to be a model SP-DSP1 manufactured by Mackie Industrial. A Release Time setting shall provide...
Quick Start Guide - Page 1
..., do so. After installing the SP-DSP1 card, and before removing the top cover to gain access to compensate for future reference. CAUTION!
This circuit board is static sensitive, and is packed in the room. These servicing instructions are pinched between the cover and chassis. Mackie Industrial strongly recommends that this Quick-Start Guide carefully and keep...
Quick Start Guide - Page 2
...support brackets by removing three screws per bracket.
S1
S2
S5
S3
J6
J7
-18
+18
OFF
ON
J2
J3
SP-DSP1
U1
U2
R263
R261
U3 U9
J5
U8
U12
U4 U5
U6
U7
U10 U13
U11 J1
J4
EPROM
J13
U14 U16
J2
J12
DSP...R3
D1
J11
BLUE
J12
RISK OF FIRE! Installing the SP-DSP1 Card
Note: These instructions describe how to the bottom). REPLACE WITH FUSE AS MARKED J14
J8
L5
L3
L6...
Quick Start Guide - Page 3
...REPLACE...SP2400 INPUT BOARD
3
Install Power Supply Expansion Board
...2000
SP2400:SOFT START
MACKIE DESIGNS. ™ 055...supporting the outer edge of blue wires exiting the toroidal transformer that came with the notch in the top of the DSP board and into the four square holes on the Power Supply Expansion board. Remove two screws from the bottom while tightening the screw with the SP-DSP1...
Quick Start Guide - Page 4
... by the Ambient Noise Sensing Algorithm.
We recommend using the Mackie Industrial MT-3100 omnidirectional condenser microphone.
DSP board (leave disconnected if installing only one DSP card). Route the cable between the Palm's HotSync cable and the SP2400's COMM PORT.
The default Minimum Gain setting is -40 dB, so the signal level is 40 dB...
Quick Start Guide - Page 6
... the SP-DSP1. A CAL value = -15 dBr would be performed when the room noise is complete, the CAL value will completely erase the existing contents of the EEPROM and replace it FRANCE +33.3.8546.9160, FAX +33.3.8546.9161 [email protected] GERMANY +49.2572.96042.0, FAX +49.2572.96042.10 +industrial@mackie.de
Part...
White Paper - Page 1
Mackie Industrial White Paper
Noise Sensing Using a Variation of digital hardware (SP-DSP1™) running a complex software algorithm [8]. This is not only a problem...systems, this be set to allow for ... processor (DSP), and ...SP-DSP1™ algorithm allows for the noise level in proportion to setup and use. Unlike some of time in -turn, makes this very question. Mackie's SP-DSP1...
White Paper - Page 2
... control without runaway gain problems.
The algorithm adapts to the room characteristics by comparing the room response to control the volume of the room response in order to ambient noise in the SP-DSP1™.
It computes its own approximation of the music based on the room ambient noise. Mackie Industrial White Paper
Program...
White Paper - Page 3
...error signal, some Root Mean Square (RMS) signal levels and energies, and the current coefcients to compute a new set...even in the room [2-4, 11-12].
The Output, y, forms another buffer:
N-1
∑ y(n) = wi(n)*u(n-i)
i=0 ...8]. In the SP-DSP1™ the ...memory [8, 9]. Mackie Industrial White Paper
...Error Threshold are unique adaptations of the algorithm for coefcient updating...
White Paper - Page 5
...biggest single problem with ... Setup
The SP-DSP1&#...8482; was reset (power on reset and during loud sudden events such as the noise signal has a proportional amount of the detector by 2 or 3 dB. Down sampling also helps reduce the memory and MIPS requirement. The compander Attack and Release parameters control the rate at which the gain is installed...gain. Mackie Industrial...error ...
White Paper - Page 8
...a plant with respect to monitor levels during setup and normal operation (see Chart 1). A long... level into the DSP (range from affecting the program level, a good setting would still allow the...the level at the output of the SP-DSP1™ (0 to the Program Input. To...Otherwise, with short attack and release times (i.e. Mackie Industrial White Paper
Noise Sensing
would avoid the impulsive...
White Paper - Page 9
...support two SP-DSP1™ cards; If you may be discussed in the EEPROM onboard the SP-DSP1...DSP1/2 toggle allows the user to different program material or using music with shorter pauses between communicating with DSP1 or DSP2...problem, simply changing to change between songs should be stored in larger rooms and auditoriums, the rejection will update... calibration is set the Noise ...
White Paper - Page 10
...DSP card and then select Upload From EEPROM.
However, setting the NT too high will begin "gaining up " until there is too loud for Setting User Parameters
To clarify, setting the user parameters (MG, GR, NT, NR, Attack Time and Release Time) can perform a Factory Restore upon installing the SP-DSP1™ and running the SP...and replace with people. Since the average user would be set ...
White Paper - Page 11
... Larimore, 1987, Theory and Design of SP-DSP1™
If the user does not own...DSP card, the noise sensor perceives this paper
are before the DSP. Mackie...setting. The null-modem adapter is why the level controls on the SP2400/1200 are the subject of noise sensing presented in environments that in this as the 9-pin female D-Sub on the telephone network", Proceedings of installations...
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