IEC 61937:2000

FOREWORD
1 Scope
2 Normative references
3 Definitions and abbreviations
      3.1 Definitions
      3.2 Abbreviations
      3.3 Presentation convention
4 General
5 Interface format
6 Mapping of the audio bitstream on to IEC 60958
      6.1 Coding of the bitstream
             6.1.1 Bit map of bitstream
             6.1.2 IEC 60958 validity flag
             6.1.3 IEC 60958 channel status bit 1
             6.1.4 Symbol frequency
             6.1.5 Format of data-bursts
             6.1.6 Burst-preamble
             6.1.7 Burst-info
             6.1.8 Length-code
      6.2 Burst-payload
      6.3 Stuffing
             6.3.1 Stuffing within an IEC 60958 subframe
             6.3.2 Stuffing between data-bursts
             6.3.3 Burst spacing
7 Format of data-bursts
      7.1 Pause data-burst
      7.2 Audio data-bursts
             7.2.1 AC-3
             7.2.2 MPEG-1 layer-1
             7.2.3 MPEG-1 layer-2 or layer-3, or MPEG-2
                      without extension
             7.2.4 MPEG-2 with extension
             7.2.5 MPEG-2, layer-1 low sampling frequency
             7.2.6 MPEG-2 layer-2 or 3 low sampling
                      frequency
      7.3 Null data-burst
Annex A (normative) Channel status when the IEC 60958
                    interface is used in consumer
                    applications
Bibliography
Figure 1 - IEC 60958 interface format
Figure 2 - Data-burst format
Figure 3 - Length of the burst-payload Pd
Figure 4 - Burst spacing
Figure 5 - Flow chart of transmission of a bitstream
Figure 6 - Bridging gaps in between data-bursts with three
           pause data-bursts
Figure 7 - Data-burst format of the data-type pause
Figure 8 - AC-3 data-burst, with reference point R
Figure 9 - Delay of AC-3 decoding
Figure 10 - MPEG-1 layer-1 data-burst
Figure 11 - Data-burst with MPEG-1 layer-2 or layer-3, or
            MPEG-2 without extension
Figure 12 - Latency of MPEG decoding
Figure 13 - Format of MPEG base frame and MPEG extension
            frame
Figure 14 - MPEG-2 with extension data-burst
Figure 15 - MPEG-2 layer-1 low sampling frequency data-burst
Figure 16 - MPEG-2 layer-2 or 3 low sampling frequency
            data-burst
Figure 17 - Null data-burst
Table 1 - Bit allocation of IEC 60958 frame
Table 2 - Bit allocation of data-burst in IEC 60958 subframes
Table 3 - Burst-preamble words
Table 4 - Bit map of burst-preambles
Table 5 - Fields of burst-info
Table 6 - Repetition period of pause data-bursts
Table 7 - Values of data-type-dependent info of the pause
          data-burst
Table 8 - Burst-payload of pause data-burst
Table 9 - Data-type-dependent information when data-type = 1
Table 10 - Data-type-dependent information for data-types 5
           and 6
Table 11 - Fields of a null data-burst
Table A.1 - Allocation of channel status bits

Applies to the use of a digital audio interface using the IEC 60958 series for the conveying of non-linear PCM encoded audio bitstreams. Describes the use of this digital interface in consumer applications.