SOLIDYNE 462
dsp – broadcast digital processor
Page 3
Table of Contents
About
this
manual................................................................4
User s manual .................................................................................. 4
462dsp/AM firmware......................................................................... 4
What s in the box?................................................................. 4
About the montage ........................................................................... 4
ADVICES ................................................................................ 4
Chapter 1 - Quick installation guide................................5
1.1 Basic connection and settings ........................................ 5
1.2 Brief diagram for general connections............................ 6
1.3
Understanding the main screen................................... 7
Chapter 2
- Advanced installation...................................9
2.1
Power supply ............................................................... 9
2.2
On mounting ................................................................ 9
2.3 Analogical audio connections ..................................... 9
2.4
Audio outputs............................................................. 10
2.4.1 AM main output ................................................................... 10
2.4.1.1 AM bandwidth cut-off frequency ........................................... 10
2.4.2 WEBcasting output .............................................................. 10
2.4.3 AES-3 for Digital AM............................................................ 10
2.5 Console MICstart........................................................ 11
Chapter 3 - Starting up and operation ..........................13
3.1 Basic actions.................................................................. 13
3.1.1 Using the JOG wheel........................................................... 13
3.1.2 Processing programs........................................................... 13
3.1.3 Modes of control.................................................................. 13
3.1.4 Access password................................................................. 13
3.2
INSTALLATION SETTINGS......................................... 13
3.2.1 INPUT SETUP..................................................................... 14
INPUT SELECTION............................................................. 14
A. INPUT LEVEL ................................................................. 14
3.2.2 OUTPUT SETUP................................................................. 15
3.2.2.1 OUT LEVEL ........................................................................ 15
3.2.3 PROCESSOR SETUP ......................................................... 15
3.2.3.1 MIC PROCESSING SETUP................................................. 16
3.2.3.2 PASSWORD ....................................................................... 17
3.2.3.1 PROCESSOR MODE .......................................................... 17
3.3 Adjusting the modulation .......................................... 16
Chapter 4 - Audio processing settings.........................17
4.1
PROGRAM SELECTION ............................................. 17
4.2
DEFAULT PROGRAMS............................................... 17
4.3
USER PROGRAMS..................................................... 18
4.3.1 COPY PROGRAM ................................................................. 18
4.3.2 EDIT PROGRAMS ................................................................. 18
4.4 PROGRAM ADJUSTMENTS ....................................... 18
4.4.1 PROGRAM NAME ................................................................... 18
4.4.2 EXPANDER / AGC................................................................. 18
4.4.2.1 AGC OUT GAIN.................................................................. 18
4.4.2.2 AGC attack time.................................................................. 19
4.4.2.3 AGC recovery time.............................................................. 19
4.4.2.4
Hold.................................................................................... 19
4.4.2.5 Expander threshold ............................................................. 19
4.4.3 MULTIBAND COMPRESSOR.............................................. 20
4.4.3.1 Attack times ........................................................................ 20
4.4.3.2 Recovery times ................................................................... 20
4.4.4 DENSITY EQUALIZER........................................................ 21
Bass Clipper (Punch)........................................................... 21
Chapter 5 - Remote Control ............................................21
5.2
Set up and connections..............................................21
Capítulo 6 - Audio processing for broadcasting .......23
6.1 A brief history.............................................................23
6.2
462dsp/AM psychoacoustic digital processor...........25
6.2.1 Blocks diagram ....................................................................25
6.2.2 24 BITS @ 192 KHZ A/D CONVERTER ...............................25
Digital Input / Resampler ......................................................25
6.2.3 PEAK SIMETRIZER.............................................................25
6.2.4 SUBSONIC PHILTER ..........................................................26
6.2.5 LINEAR EXPANDER ...........................................................26
6.2.6 GATED AGC .......................................................................27
6.2.7 MULTIBAND COMPRESSOR ..............................................27
6.2.8 DENSITY ECUALIZER.........................................................28
6.2.9 IM CANCELLED CLIPPER........................................................28
6.2.10 AM BAND FILTER DE BANDA AND NRSC-1 CURVES........29
Chapter
7
-
Measurrements.............................................31
7.1
MEASURREMENT PROTOCOL...................................31
7.1.1 Checking the INPUT LEVELS...............................................31
7.1.2 Checking the OUTPUT LEVELS...........................................31
7.1.3 FREQUENCY RESPONSE ..................................................31
7.1.4
S/N......................................................................................31
7.1.5 STEREO CROSTALK ..........................................................32
7.1.6 DISTORTION ......................................................................32
Chapter 8 - Technical specifications ............................33
