亚洲高清台——精选推荐

CCTV 4 World
Jade
J2 Channel
I News
Pearl
High Definition Jade Channel
2.
Audio Decoding Capability
Important note : Check items 2.1 – 2.4 will be considered fail if, among others, (a) interruption on audio sound and/or (b) failure on lip synchronization occur.
Check whether the RUT can properly decode the HD
programme encoded in 720p format from the sample TS
1.4
Decode all SD programmes in all SFN Signal source: Off-air DTT broadcasts
Condition: audio of the HD Channel is encoded in
Dolby surround sound mode.
Check whether the RUT can properly decode the
selected channel and produce stereophonic sound.
2.1
Decode programme sound of all SD / HD Signal source: Off-air DTT broadcasts
programmes (AC-3 2 channel stereo mode)
Check whether the RUT can properly decode the
S eri al Num ber : _________________________
Firmware version : _______________________
(Important note: As a perquisite requirement for Compliance Check, the receiver under test (RUT) shall bear clear indications of its brand, model, serial number and firmware version.)
Voluntary Labelling Sche me for Digital Terrestrial Television Receivers Compliance Check Form
B rand : ___________ห้องสมุดไป่ตู้___________________
M odel : __________________________
produce stereophonic sound
2.3
P as s t he AC -3 s i gnal t o an ext ernal AC -3
Audio 1 Audio 2 Audio 1 Audio 2
decoder for decoding (AC-3 p ass-t hrough)
1.6
Convert SD & HD signals to 720 x 576 Signal source: Off-air DTT broadcasts
720 x 1280 1920 x
pixels, 1280 x 720 pixels and 1920 x 1080 pixels for display
Item No.
Function
Reference / Details
Hi gher-ti er Recei ver
Basi c-ti er Receiver
Remarks
1
(C/NC/NT/T )
1
(C/NC/NT/T )
Test si gnal s wi ll be fed t o t he R UT vi a RF i nput port at a l evel bet ween -59 and -35 dB m (i .e. bet ween 50 and 74 dB V) whi ch wi ll ei t her be (a) DTT broadcas ti ng si gnals recei ved from off-ai r or (b)
Signal source: Off-air DTT broadcasts
Setting:
Tune to the following channels one by
one :
Home,
CTI - Asia,
Jade, and
J2 Channel.
Select the specified sound track on the RUT and pass
Signal source: Off-air DTT broadcasts
Setting:
Tune to High Definition Jade Channel.
Check whether the RUT can properly decode the
program m e sound encoded in Dolby surround m ode and
(a) video picture could not completely shown on the TV screen,
(b) interruption of either video picture or audio sound,
(c) failure on lip synchronization
multiplexes (H.264)
Check whether the RUT can properly decode the
following channels : TVS CTI - Asia
CCTV 4
J2 Channel
I News
1.5
Decode all SD and HD programmes in Signal source: Sample TS
is encoded in Dolby surround sound.
following channels : Home World Jade Pearl
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1.2
Decode all 1080i HD programmes in all Signal source: Off-air DTT broadcasts
SFN multiplexes (H.264)
I News
Pearl
High Definition Jade Channel
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2.2
Decode programme sound in Dolby
Signal source: Sample TS
surround mode to produce stereophonic sound
1.
Video Decoding Capability
1.1
Decode all SD programmes in the M FN Signal source: Off-air DTT broadcasts
multiplex (M PEG-2)
Check whether the RUT can properly decode the
Check whether the RUT can properly decode CTI –
Asia channel from the sample TS.
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Signal source: Sample TS Conditions : Normal SD programmes are terminated and followed by a still picture and then resumed in the following channels.
Check whether the RUT can properly decode HD
Channel and High Definition Jade Channel.
1.3
Decode all 720p HD programmes in all Signal source: Sample TS
SFN multiplexes (H.264)
program m e sound of t he fol l owi ng channel s encoded i n
AC-3 stereo mode and produce stereophonic sound
Home
HD Channel
TVS
CTI – Asia
CCTV 4
World
Jade
J2 Channel
Check whether the RUT can properly decode the HD Channel from the sample TS. Important note: Check item 1.5 will be considered fail if manual intervention is required for the RUT to handle any signal transitions in t he TS.
all multiplexes before and after any
Conditions : The programme channel CTI - Asia is
transition between HD programmes and presented normally while transitions to/from SD & HD
sample transport stream(s) (TS(s)) as specified in the respective test items.
Important note:
Check items 1.1 -1.6 will be considered fail if, among others, one or more of the following syndromes are observed:
the selected programme sound to an external AC-3
decoder.
Check whether Dolby stereophonic sound can be
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decoded by the external decoder. Signal source: Sample TS Conditions: Programme sound of the HD Channel
Check whether the RUT can properly decode each of the following channels from the sample TS:
TVS and CCTV4 Signal source: Sample TS C ondit i ons : A s till pi ct ure is di s pl ayed and foll owed by a HDTV programme and then reverted back to the still picture
SD programmes within the multiplex
occur in other programme channels in the same
without the need of any manual
mult ip lex.
intervention (e.g. power on / off, re-scanning, etc)
Check whether the RUT can properly display the
576 x 720 1080
following channels in the specified display formats :
Home
HD Channel
TVS
CTI – Asia
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