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BS IEC 61937-15:2021

BS IEC 61937-15:2021

$142.49

Digital audio. Interface for non-linear PCM encoded audio bitstreams applying IEC 60958 – Non-linear PCM bit streams according to Auro-Cx format

Published By Publication Date Number of Pages
BSI 2021 30
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IEC 61937-15:2021 describes the method to convey non-linear PCM bit streams in accordance with the Auro-Cx format.

PDF Catalog

PDF Pages PDF Title
2 undefined
4 CONTENTS
6 FOREWORD
8 INTRODUCTION
9 1 Scope
2 Normative references
3 Terms, definitions and abbreviated terms
3.1 Terms and definitions
10 3.2 Abbreviated terms
4 Mapping of the audio bit stream on to IEC 61937-1
4.1 General
4.2 Auro-Cx burst-info
Tables
Table 1 – Fractional frame rates
11 5 Format of Auro-Cx data-bursts
5.1 General
5.2 Pause data-burst
Table 2 – Burst-info for Auro-Cx data-type and subdata-types
Table 3 – Repetition period of the Pause data-bursts
12 5.3 Audio data-bursts
5.3.1 ACX data-burst
Figures
Figure 1 – ACX data-burst
Table 4 – Data-type-dependent information for ACX
13 Table 5 – ACX data-burst: meaning of Pc bits 8 – 12
14 Table 6 – ACX IEC 60958 frame rate for high sample rates
Table 7 – ACX repetition periods for fractional frame rates 29,97 fps, 59,94 fps and 119,88 fps
15 5.3.2 Latency of the Auro-Cx Decoder
Table 8 – Maximum burst-length values per ACX data-burst repetition period
16 5.3.3 ACX HBR2 data-burst
Figure 2 – ACX Delay Time
Figure 3 – Auro-Cx HBR2 data-burst
Table 9 – Data-type-dependent information for ACX HBR2
17 Table 10 – ACX HBR2 data-burst: meaning of Pc bits 8 – 12
18 Table 11 – ACX HBR2 IEC 60958 frame rate for high sample rates
Table 12 – ACX HBR2 repetition periods for fractional frame rates 29,97 fps, 59,94 fps and 119,88 fps
19 5.3.4 Latency of the ACX HBR2 Decoder
Table 13 – Maximum burst-length values per ACX HBR2 data-burst repetition period
20 5.3.5 ACX HBR4 data-burst
Figure 4 – ACX HBR2 Delay Time
Figure 5 – Auro-Cx HBR4 data-burst
Table 14 – Data-type-dependent information for ACX HBR4
21 Table 15 – ACX HBR4 data-burst: meaning of Pc bits 8–12
22 Table 16 – ACX HBR4 IEC 60958 frame rate for high sample rates
Table 17 – ACX HBR4 repetition periods for fractional frame rates 29,97 fps, 59,94 fps and 119,88 fps
23 5.3.6 Latency of the ACX HBR4 Decoder
Table 18 – Maximum burst-length values per ACX HBR4 data-burst repetition period
24 5.3.7 ACX HBR8 data-burst
Figure 6 – ACX HBR4 Delay time
Figure 7 – Auro-Cx HBR8 data-burst
Table 19 – Data-type-dependent information for ACX HBR8
25 Table 20 – ACX HBR8 data-burst: meaning of Pc bits 8 – 12
26 Table 21 – ACX HBR8 IEC 60958 frame rate for high sample rates
Table 22 – ACX HBR8 repetition periods for fractional frame rates 29,97 fps, 59,94 fps and 119,88 fps
27 5.3.8 Latency of the ACX HBR8 Decoder
Table 23 – Maximum burst-length values per ACX HBR8 data-burst repetition period
28 Figure 8 – ACX HBR8 Delay Time
29 Bibliography

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BS IEC 61937-15:2021
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