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BW Broadcast DSPXtra-FM User Manual

BW Broadcast DSPXtra-FM
63 pages
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DSPXtra
incorporating the
Broadcast Audio Processor
Operational Manual
Version 2.30
www.bwbroadcast.com
RMS Leveller
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BW Broadcast DSPXtra-FM Specifications

General IconGeneral
Sampling Rate48 kHz
Resolution24-bit
Dynamic Range>110dB
Input TypesAnalog, AES/EBU
Output TypesAnalog, AES/EBU
Pilot ProtectionYes
Composite ClipperYes
Stereo EncoderYes
RDS/RBDSYes
Power Supply100-240 VAC, 50/60 Hz
Rack Units1U
Weight3.5 kg
TypeFM Processor
THD+N<0.01%
Input Impedance10k Ohms (Balanced)
Output Impedance50 Ohms
Pre-emphasis50μs, 75μs
Remote ControlEthernet
PresetsUser Presets
Dimensions482 x 44 x 254 mm (19 x 1.75 x 10 inches)

Summary

Warranty Information

Warranty Service and Terms

Details return authorization, service regulations, and claim procedures.

Safety Instructions

General Safety Precautions

Highlights essential safety warnings and operational guidelines for safe use.

Appliance Safety Guidelines

Covers water, ventilation, heat, power, grounding, cleaning, and non-use period safety.

Electrical Safety and Compliance

Addresses liquid entry, service requirements, CE, FCC, and Canada warnings.

Introduction to DSPXtra-FM

Processing Architecture Explained

Explains the internal processing structure, DSPs, converters, and interfaces.

Quick Start Guide

Initial Setup Procedures

Covers installation, power, audio connections, and basic parameter setup.

FM Broadcast Setup

Provides specific steps for setting up the processor for FM broadcasting.

Digital Radio Setup

Outlines the setup process for DAB, HD Radio, and streaming services.

Dual Use Configuration

Details how to configure for simultaneous FM and digital outputs.

Ariane Leveller Technology

Windowing Release Mechanism

Explains how windowing release controls audio levels by defining acceptable variation ranges.

Source Material and Pre-Emphasis

Pre-Emphasis Settings Configuration

Explains the use and configuration of pre-emphasis for FM broadcast and digital outputs.

DSPXtra-FM Processing Structure

FM vs. DR Peak Control Paths

Differentiates the FM (clipping) and DR (look-ahead limiting) peak control paths.

DSPXtra-FM Peak Control and Output

Peak Control Path Details

Explains the FM distortion controlled clippers and DR look-ahead limiter.

Processing Block Diagram

User Levels Configuration

Menu Structure Details

Comprehensive Menu Hierarchy

Provides a detailed breakdown of menus, submenus, and parameters.

Processing Parameters - Input and Process Menus

Input Menu Parameter Configuration

Explains controls for source selection, gain, filters, and pre-emphasis.

Multi-Band Limiter and Mixer Parameters

Multi-Band Limiter Control Details

Details Drive, Threshold, Attack, Decay, Hold, and Delay for limiters.

Look-Ahead Limiter and Clipper Settings

Look-Ahead Limiter Parameters

Details Drive, Shelf EQ, and Attack/Decay settings for the look-ahead limiter.

Clipper Menu Control Details

Covers multi-band, bass, mid, HF, and main clipper drive and level settings.

Advanced Clipper and Output Configuration

Output Menu Parameter Configuration

Configures analogue and digital output levels, modes, de-emphasis, and sampling rates.

System and Scheduling Configuration

System Menu Parameter Overview

Covers LCD/LED contrast, trigger port, security locks, remote source, LAN, and system info.

Setting Up Processing - Initial Stages

Ariane Leveller Mode Selection

Explains choosing between Stereo, Matrix, and Bypass modes for the Ariane leveller.

Ariane Leveller - Detailed Controls

Stereo, Bass Enhancement, and Limiter Setup

Limiter Hold, Delay, Mixer, and Clipper Setup

Bass Clipping Configuration

Final Clipper and Look-Ahead Limiter Setup

Final Clipper Operation Details

Details the final clipper's role, drive, finesse, and overshoot control.

ITU Limiting and Composite Clipper

ITU BS.412 Limiter Standard Explained

Explains the ITU BS.412 standard and its impact on loudness and signal power.

Achieving Desired Sound - Loudness

Clipper Settings for Loudness

Guides on adjusting clippers (FM/DR) for maximum loudness.

Achieving Desired Sound - Clarity and Bass

Managing Presets - Front Panel Control

Selecting and Auditioning Presets

Describes how to select and audition presets using the front panel controls.

Comparing and Saving Presets

Explains comparing adjustments against saved presets and saving user presets.

Remote Control Operation

Remote Control Interfaces

Introduces USB, Serial (RS232), and Ethernet/LAN ports for remote control.

Remote Control - Serial, USB, and LAN

RS232/USB Control Steps

Provides step-by-step instructions for controlling the DSPXtra-FM via serial or USB.

Ethernet/LAN Control Steps

Details how to connect and control the DSPXtra-FM using the network port.

Remote Application Interface and Security

Remote Application - Working with Presets

Remote Application - Preset Operations

Remote Application - Scheduling and Dayparting

Setting Up Dayparts Configuration

Details how to configure daypart names, start times, and lengths.

Remote Trigger Port Configuration

Security Code Locks

Clock Based Control - Dayparting

Real Time Clock and Dayparting

Explains the real-time clock for scheduling presets at specific times.

Product Specifications (Datasheet)

Technical Specifications Details

Provides detailed technical data for analog/digital I/O, stereo encoder, and interfaces.

Appendix A - USB Driver Installation

Appendix A - USB Driver Installation Steps

Advanced Driver Installation Procedure

Guides through selecting specific driver locations and handling unsigned drivers.

Appendix A - Completing USB Driver Installation

Driver Installation Confirmation

Details the final steps for confirming successful installation of serial converter and COM port drivers.

Appendix A - COM Port Emulation Driver

Installing COM Port Emulation Driver

Explains the process for installing the COM port emulation driver after serial converter installation.