IEC 61834-4:1998/AMD1:2010

IEC 61834-4 ®
Edition 1.0 2010-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
AMENDMENT 1
AMENDEMENT 1
Recording –
Helical-scan digital video cassette recording system using 6,35 mm magnetic
tape for consumer use (525-60, 625-50, 1125-60 and 1250-50 systems) –
Part 4: Pack header table and contents

Enregistrement –
Système d’enregistrement numérique grand public vidéo à cassette à balayage
hélicoïdal pour la bande magnétique de 6,35 mm (systèmes 525-60, 625-50,
1125-60 et 1250-50) –
Partie 4: Tableaux des paquets en-tête et leur contenu

IEC 61834-4:1998/A1:2010
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IEC 61834-4 ®
Edition 1.0 2010-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
AMENDMENT 1
AMENDEMENT 1
Recording –
Helical-scan digital video cassette recording system using 6,35 mm magnetic
tape for consumer use (525-60, 625-50, 1125-60 and 1250-50 systems) –
Part 4: Pack header table and contents

Enregistrement –
Système d’enregistrement numérique grand public vidéo à cassette à balayage
hélicoïdal pour la bande magnétique de 6,35 mm (systèmes 525-60, 625-50,
1125-60 et 1250-50) –
Partie 4: Tableaux des paquets en-tête et leur contenu

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
S
CODE PRIX
ICS 33.160.01, 35.200 ISBN 978-2-88910-919-7
– 2 – 61834-4 Amend. 1 © IEC:2010
FOREWORD
This amendment has been prepared by technical area 7: Consumer electronics storage media,
data structures and equipment, of IEC technical committee 100: Audio, video and multimedia
systems and equipment.
The text of this amendment is based on the following documents:
CDV Report on voting
100/1552/CDV 100/1628/RVC
Full information on the voting for the approval of this amendment can be found in the report
on voting indicated in the above table.
The French version of this Amendment has not been voted upon.
The committee has decided that the contents of this amendment and the base publication will
remain unchanged until the stability date indicated on the IEC web site under
"http://webstore.iec.ch" in the data related to the specific publication. At this date, the
publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
_____________
1.2 Normative references
Insert, before IEC 61880, the following new references:
IEC 61834-2:1998, Recording – Helical-scan digital video cassette recording system using
6,35 mm magnetic tape for consumer use (525-60, 625-50, 1125-60 and 1250-50 systems) –
Part 2: SD format for 525-60 and 625-50 systems
IEC 61834-11:2008, Recording – Helical-scan digital video cassette recording system using
6,35 mm magnetic tape for consumer use (525-60, 625-50, 1125-60 and 1250-50 systems) –
Part 11: HDV format for 1080i and 720p systems
ETS 300 468, Specification for Service Information (SI) in DVB systems

61834-4 Amend. 1 © IEC:2010 – 3 –
2 Pack header table
Replace the entire Table 1 by the following new Table 1:
Table 1 – Pack header table
– 4 – 61834-4 Amend. 1 © IEC:2010
Add, after Subclause 12.16, the following new Clause 13:
13 MPEG
MPEG 0
13.1 SOURCE
This pack shall be recorded at least in the VAUX main area.
SERVICE ID
In the case of single programme recording, SERVICE ID is the same as the
program_number in the corresponding program_map_section (PMT).
SOURCE CODE
SOURCE CODE defines the input source of bit stream data in combination with SERVICE
ID and TUNER CATEGORY, as follows.

TUNER CATEGORY
Prescribed value
50/60
0 = 60-field system
1 = 50-field system
61834-4 Amend. 1 © IEC:2010 – 5 –
STYPE
STYPE defines a signal type of input signal in combination with the 50/60 flag as follows.

TUNER CATEGORY:
TUNER CATEGORY consists of the area number and the satellite number as follows.
TUNER CATEGORY = FFh is indicative of no information.

Area number specification
– 6 – 61834-4 Amend. 1 © IEC:2010
Details of the area number are to be decided.

61834-4 Amend. 1 © IEC:2010 – 7 –
MPEG 1
13.2 SOURCE CONTROL
This pack shall be recorded at least in the VAUX main area.
CGMS:
See 9.2.
TPH:
Higher speed trick play.
TPH defines the presence or absence of the TPH stream and the number of repetitions in
combination with STYPE as follows.

TPL:
Lower speed trick play.
TPL defines the presence or absence of the TPL stream and the number of repetitions in
combination with STYPE as follows.

– 8 – 61834-4 Amend. 1 © IEC:2010
SS: Source and recorded situation
00b = Scrambled data and data recorded without descrambling
01b = reserved
10b = Descrambled data or originally non-scrambled data
11b = No information
REC ST: Recording start point
0 = Recording start point
1 = Not recording start point
The duration of the recording start point should be the period of recording 300 tracks in
25 Mbps mode.
REC MODE:
00b = Original
01b = Reserved
10b = Insert
11b = Invalid recording
where
Original: The video and audio areas are recorded simultaneously, including the
case where the audio area is "no info" or "invalid".
Insert: The video area is recorded leaving the pre-recorded audio area as it is.
Invalid recording: The recorded video data are disregarded.
MR: Multi-service recording flag
0 = Multi-services have been recorded at the same time.
1 = Only one service has been recorded.
HD/SD:
HD/SD flag indicates the kind of video signal.
0 = SD-MPEG2 (LL or ML)
1 = HD-MPEG2 (HL or Hi-1440L)
AUD MODE:
AUD MODE indicates the kind of audio compression.
00b = MPEG2 audio layer 1 and 2
01b = AC-3 audio
Others = Reserved
HD/SD = 1 and AUD MODE = 11b only when, HD/SD and AUD MODE are meaning No
information.
61834-4 Amend. 1 © IEC:2010 – 9 –

MAX BIT RATE:
MAX BIT RATE is a maximum bit rate of the service which is defined in the
short_smoothing_buffer_descriptor (see ETS 300 468).
MAX BIT RATE consists of SB_size (two bits) + SB_leak_rate (six bits)

REC END: Recording end point
0 = Recording end point
1 = Not recording end point
The duration of recording end point should be 1 s.
GENRE CATEGORY:
GENRE CATEGORY shows the category of the service.
The details are described in the TIMER ACT DATE pack.

MPEG 2
13.3 REC DATE
This pack should be recorded in the VAUX main area. The date when the service data are
recorded is stored in this pack.

– 10 – 61834-4 Amend. 1 © IEC:2010
DS: Daylight saving time
0 = Daylight saving time
1 = Normal
REC MODE:
Thirty-minute unit of the time differential from GMT
0 = 30 min
1 = 0 min
TIME ZONE:
00 to 23 3Fh = No information
Examples:
For Tokyo
TIME ZONE = 001001b
PC1 = 11001001b GMT plus 9:00
For New York with daylight saving time
TIME ZONE = 011001b
PC1 = 01011001b GMT plus 19:00

For New Delhi, where the 30-minute unit of the time differential from GMT is adopted,
TIME ZONE = 000101b
PC1 = 10000101b GMT plus 5:30
where GMT is Greenwich Mean Time
DAY:
01 to 31 3Fh = No information
WEEK:
0 = Sunday 4 = Thursday
1 = Monday 5 = Friday
2 = Tuesday 6 = Saturday
3 = Wednesday 7 = No information
MONTH:
01 to 12 = January to December
1Fh  = No information
where TNMN = Tens of month
1 = Not recording end point
YEAR:
00 to 99 FFh = No information

61834-4 Amend. 1 © IEC:2010 – 11 –
MPEG 3
13.4 REC TIME
This pack should be recorded in the VAUX main area.
The time when the service data are recorded is stored based on the SMPTE/EBU time code
format.
In the case of not recording the MPEG BINARY pack:

If FRAME is not used, FRAME shall be 3Fh.
In the case of recording the MPEG BINARY pack:

The flags S1 to S6 shall be recorded based on the SMPTE/EBU format.

– 12 – 61834-4 Amend. 1 © IEC:2010
MPEG 4
13.5 BINARY GROUP
This pack may be recorded in the VAUX main area.
If this pack is used, the flags S1 to S6 in the MPEG REC TIME pack shall be set on the basis
of the SMPTE/EBU time code format.
If this pack is not used, the NO INFO pack shall be recorded.

MPEG 5
13.6 STREAM
This pack should be recorded in the VAUX main area.
This pack is prepared to obtain PMT_PID, PCR_PID and elementary_PIDs directly without
referring to PAT and PMT.
STREAM TYPE:
STREAM TYPE shows the type of the elementary stream.
STREAM TYPE is the same as the stream_type described in the corresponding
program_map_section (PMT).
61834-4 Amend. 1 © IEC:2010 – 13 –
ELEMENTARY PID:
ELEMENTARY PID shows the PID of the packet which contains the elementary stream of
STREAM TYPE.
ELEMENTARY PID is the same as the elementary_PID described in the corresponding
program_map_section (PMT).
ELEMENTARY PID also indicates PMT_PID or PCR_PID in combination with PID TYPE.
PID TYPE:
MPEG 6
13.7 Reserved
This pack is reserved for future use.

– 14 – 61834-4 Amend. 1 © IEC:2010
MPEG 7
13.8 ETN
SF1: Search flag 1
Search flag 1 is described in IEC 61834-11, 8.3.4.
SF2: Search flag 2
Search flag 2 is described in IEC 61834-11, 8.3.4.
SPH: Search phase
Search phase is described in IEC 61834-11, 8.3.4.
REE: REC end ECC unit
REC end ECC unit is described in IEC 61834-11, 8.3.4.
PT: Picture type
Picture type is described in IEC 61834-11, 8.3.4.
ETN: Extended track number
Extended track number is described in IEC 61834-11, 8.3.4.

MPEG 8
13.9 TEXT HEADER
61834-4 Amend. 1 © IEC:2010 – 15 –
This pack may be recorded or written in common optional areas.
TDP: Total number of text d
...