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BS ISO/IEC 23003-4:2015

$215.11

Information technology. MPEG audio technologies – Dynamic Range Control

Published By Publication Date Number of Pages
BSI 2015 118
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PDF Catalog

PDF Pages PDF Title
7 Foreword
8 Introduction
9 1 Scope
2 Normative references
3 Terms, definitions and mnemonics
3.1 Terms
10 3.2 Mnemonics
4 Symbols (and abbreviated terms)
11 5 Technical overview
12 6 DRC decoder
6.1 DRC decoder configuration
6.1.1 Overview
13 6.1.2 Description of logical blocks
16 6.1.3 Derivation of peak and loudness values
19 6.2 Dynamic DRC gain payload
20 6.3 DRC set selection
6.3.1 Overview
21 6.3.2 Pre-selection based on Signal Properties and Decoder Configuration
24 6.3.3 Selection based on requests
26 6.3.4 Final selection
6.3.5 Applying multiple DRC sets
27 6.3.6 Album mode
6.3.7 Ducking
6.3.8 Precedence
6.4 Time domain DRC application
6.4.1 Overview
28 6.4.2 Framing
6.4.3 Time resolution
6.4.4 Time alignment
6.4.5 Decoding
32 6.4.6 Gain modifications and interpolation
36 6.4.7 Spline interpolation
6.4.8 Look-ahead in decoder
37 6.4.9 Node reservoir
38 6.4.10 Applying the compression
41 6.4.11 Multi-band DRC filter bank
45 6.5 Sub-band domain DRC
48 6.6 Loudness normalization
6.6.1 Overview
6.6.2 Loudness normalization based on target loudness
51 6.7 DRC in streaming scenarios
6.7.1 DRC configuration
6.7.2 Error handling
6.8 DRC configuration changes during active processing
53 7 Syntax
7.1 Syntax of DRC payload
54 7.2 Syntax of DRC gain payload
55 7.3 Syntax of static DRC payload
67 7.4 Syntax of DRC gain sequence
68 Annex A (normative) Tables
82 Annex B (normative) External Interface to DRC tool
93 Annex C (informative) Audio codec specific information
98 Annex D (informative) DRC gain generation and encoding
103 Annex E (informative) DRC set selection and adjustment at decoder
108 Annex F (informative) Loudness normalization
109 Annex G (informative) Peak limiter
114 Bibliography
BS ISO/IEC 23003-4:2015
$215.11