Table Of Contents - Prism Sound ADA-8XR Operation Manual

Prism Sound ADA-8XR Multi-channel A/D D/A Converter
Contents
1 Introduction ............................................................................ 6
1.1 Functionality ................................................................................................................ 6
1.2 Modularity.................................................................................................................... 7
1.3 Firmware Updates....................................................................................................... 7
1.4 Organization of these Manuals ................................................................................... 7
2 Getting Started ....................................................................... 8
2.1 Connecting the ADA-8XR ........................................................................................... 8
2.2 Configuring the ADA-8XR ........................................................................................... 8
3 Layout ................................................................................... 10
3.1 Front Panel................................................................................................................ 10
3.2 Rear Panel ................................................................................................................ 11
4 Philosophy of Operation...................................................... 12
4.1 Two Paths ................................................................................................................. 12
4.2 Menus or dedicated controls?................................................................................... 12
4.3 Monitor, Mimic, Meter and Menu Panels .................................................................. 12
4.4 Two-channel Monitor................................................................................................. 13
4.5 Configuration / Stores ............................................................................................... 13
4.6 Warning conditions.................................................................................................... 14
5 Control Panel Operation ...................................................... 15
5.1 Mimic Panel............................................................................................................... 15
5.1.1 Source box......................................................................................................... 15
5.1.2 Decode box........................................................................................................ 16
5.1.3 Process box ....................................................................................................... 17
5.1.4 Dither/Encode box ............................................................................................. 17
5.1.5 Dest box ............................................................................................................. 18
5.1.6 Sync Source/Sample Rate box.......................................................................... 18
5.2 Meter Panel ............................................................................................................... 20
5.3 Monitor Panel ............................................................................................................ 21
5.4 Menu Panel ............................................................................................................... 22
6 Adjustments and Upgrades................................................. 23
6.1 Changing the mains voltage or fuse ......................................................................... 23
6.2 Adding I/O Modules................................................................................................... 24
6.3 Upgrading the firmware............................................................................................. 24
7 Technical Background ......................................................... 25
7.1 Synchronization and jitter.......................................................................................... 25
7.1.1 Background........................................................................................................ 25
7.1.2 Why are good clocks so rare? ........................................................................... 25
7.1.3 Analysis of sampling jitter .................................................................................. 25
7.1.4 Listening experience .......................................................................................... 26
7.1.5 Synchronization and the ADA-8XR.................................................................... 26
7.2 Extended sample rates and Split96 interfacing ........................................................ 26
7.2.1 What are 'extended' sample rates? ................................................................... 26
7.2.2 What is the use of extended sample rates? ...................................................... 27
7.2.3 Interfacing extended sample rates..................................................................... 27
7.2.4 Extended sample rates in the ADA-8XR ........................................................... 28
7.3 Wordlength, dithering and Prism Sound SNS (Super Noise Shaping) ..................... 28
7.3.1 Truncation and dithering .................................................................................... 28
7.3.2 Noise shaping .................................................................................................... 29
7.3.3 Wordlength and the ADA-8XR........................................................................... 29
7.4 Prism Sound MR-X and DRE encoding processes .................................................. 31
7.4.1 Prism Sound MR-X ............................................................................................ 31
7.4.2 Using Prism Sound MR-X with the ADA-8XR.................................................... 32
7.4.3 Prism Sound DRE: 'Dynamic Range Enhancement' ......................................... 33
7.4.4 Using Prism Sound DRE with the ADA-8XR ..................................................... 33
7.5 Prism Sound Overkiller ............................................................................................. 34
© Prism Media Products Limited, 2001-2004
Operation Manual - Revision 1.00
Page 1.4