Solidyne 462dsp, Руководство пользователя

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SOLIDYNE 462
dsp - broadcast digital processor Page 37
Chapter 8
Technical specifications
Analog Input
600/10 K balanced XLR 50 dB CM Rejection 20-15 Khz. Input level selected by software in 1
dB steps. Sigma-Delta converters 24 bits / 192 Khz
Digital Input
Optional AES-3 digital balanced input Z=110 ohms. Automatic selection of 32, 44,1, 48, 96 &
192 Khz with sample rate converter (128 dB Dynamic Range, -117 dB THD) to avoid jitter
Analog Output 600 balanced XLR, output level +4 dBm Sigma-Delta converters 24 bits / 192 Khz
Digital Output Optional AES-3 digital balanced output, Z=110 ohms FS=48 or 96 Khz, selected by software
MPX Output From 2 Vpp to 5 Vpp in 0.2 steps
Processing Technology
DSP (Digital Signal Processing). Total CPU power 2.700 MIPS
MPX Post-Processing
SuperModulation exclusive Solidyne technology, at 608 Khz oversampling. Fast clipper DC-10
Mhz wideband channel to avoid audible
artifacts
Frequency Response
20-15.000 Hz +/-0.25 dB. Flat mode XLR out or digital AES-3 Out. Output without pre-
emphasis
Harmonic Distortion (THD) THD below 0.008 % (30-15 Khz, Flat Mode)
Noise
Dynamic Range= 95 dBA
Stereo Separation
75 dBA @ 1 KHz: > 65 dBA @ 30-15.000 Hz
Subsonic Filter Chebyshev FC=20 Hz 25 dB rejection at 10 Hz
Asymmetry Canceling Phase processing technology with Kahn-Bonello algorithms. Cancelling Factor=8:1
Linear Expander Range=20 dB Attack & Release time software controlled
Gated Wide-Band AGC Range=30 dB. Attack / Release time & Threshold controlled from LCD screen
Multiband Compressors
DSP controlled. Five Bands, Crossover= 24dB/oct Max compression = 30dB. Slope = 10:1
Compressors
Attack/Release Time
Attack and Release controlled separately
IM Canceled Clipper
IM canceling factor : greater than 30 dB below 250 Hz
Fast Clipper Four channels, absolutely alias free using DC-10 Mhz bandwidth channel
Density Equalizer Four bands density equalizer with 15 dB range at the output of multiband compressors
Low pass filter
15 Khz digital low pass FIR filter, 60 dB rejection at 19 Khz
Storage of Preset Settings
30 programs that can be changed on-air from PC computer using the 462dsp serial port
RS-232 PC control
RS232 serial port. It can be connected to USB bus with optional external adapter.
Optional Ethernet bus connection
Super Modulation MPX processing for stereo interleaving, allows for 130% L & R audio level at 100% modulation
RS-232 PC control Yes. It includes free Windows 2000/XP software
AM FM compatible
The user can change the processor's AM/FM firmware chips. Only two socket mounted Flash
EPROM IC's have to be replaced. Stereo coder is a separate module
Processing Bands and
stages
Five processing bands / Nine processing stages
LCD Display
Blue color, LCD display with backlight. Graphic type
Resolution 240 x 64
RDS Encoder Optional built in RDS encoder
Power 90/127V and 190/230V; 50/60 Hz, selectable from rear panel
Dimensions 483 mm Wide 240 mm Deep, 88 mm High