SKY PerfecTV!
Encyclopedia
Direct broadcast satellite
Direct broadcast satellite is a term used to refer to satellite television broadcasts intended for home reception.A designation broader than DBS would be direct-to-home signals, or DTH. This has initially distinguished the transmissions directly intended for home viewers from cable television...
(DBS) service that provides satellite television, audio programming, and interactive television services to households in Japan, owned by parent company SKY Perfect JSAT Corporation
SKY Perfect JSAT Corporation
is a Japanese direct broadcast satellite television company the operates the SKY PerfecTV! satellite network.-Overview:On April 2, 2007, JSAT Corporation and SKY Perfect Communications established SKY Perfect JSAT Corporation, which was a holding company, by stock transfer...
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SKY PerfecTV! e2 is also a direct broadcast satellite (DBS) service. While SKY PerfecTV! use DVB-S and DVB-S2(SKY PerfecTV! HD), SKY PerfecTV! e2 use ISDB-S
ISDB
Integrated Services Digital Broadcasting is a Japanese standard for digital television and digital radio used by the country's radio and television stations. ISDB replaced the previously used MUSE "Hi-vision" analogue HDTV system...
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| System | DVB-S DVB-S DVB-S is an abbreviation for Digital Video Broadcasting — Satellite; it is the original Digital Video Broadcasting forward error coding and demodulation standard for satellite television and dates from 1994, in its first release, while development lasted from 1993 to 1997... |
DVB-S2 DVB-S2 Digital Video Broadcasting - Satellite - Second Generation is a digital television broadcast standard that has been designed as a successor for the popular DVB-S system. It was developed in 2003 by the , an international industry consortium, and ratified by ETSI in March 2005... |
ISDB-S |
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| Radio Radio Radio is the transmission of signals through free space by modulation of electromagnetic waves with frequencies below those of visible light. Electromagnetic radiation travels by means of oscillating electromagnetic fields that pass through the air and the vacuum of space... channel |
Yes | No | |
| High-definition High-definition television High-definition television is video that has resolution substantially higher than that of traditional television systems . HDTV has one or two million pixels per frame, roughly five times that of SD... channel |
No | Yes (HD only) | Yes |
| Video Video Video is the technology of electronically capturing, recording, processing, storing, transmitting, and reconstructing a sequence of still images representing scenes in motion.- History :... |
MPEG-2 MPEG-2 MPEG-2 is a standard for "the generic coding of moving pictures and associated audio information". It describes a combination of lossy video compression and lossy audio data compression methods which permit storage and transmission of movies using currently available storage media and transmission... |
H.264/MPEG-4 AVC H.264/MPEG-4 AVC H.264/MPEG-4 Part 10 or AVC is a standard for video compression, and is currently one of the most commonly used formats for the recording, compression, and distribution of high definition video... |
MPEG-2 |
| Audio Sound recording and reproduction Sound recording and reproduction is an electrical or mechanical inscription and re-creation of sound waves, such as spoken voice, singing, instrumental music, or sound effects. The two main classes of sound recording technology are analog recording and digital recording... |
MPEG-1 Audio Layer II MPEG-1 Audio Layer II MPEG-1 Audio Layer II or MPEG-2 Audio Layer II is a lossy audio compression format defined by ISO/IEC 11172-3 alongside MPEG-1 Audio Layer I and MPEG-1 Audio Layer III... |
MPEG-4 AAC | MPEG-2 AAC |
| Encryption Encryption In cryptography, encryption is the process of transforming information using an algorithm to make it unreadable to anyone except those possessing special knowledge, usually referred to as a key. The result of the process is encrypted information... |
? | ? | B-CAS B-CAS B-CAS is a vendor and operator of the ISDB CAS system in Japan. Or, the reception method that this company offers.... |
| Copy control | Yes (Copy once) | ||
| Channel Television channel A television channel is a physical or virtual channel over which a television station or television network is distributed. For example, in North America, "channel 2" refers to the broadcast or cable band of 54 to 60 MHz, with carrier frequencies of 55.25 MHz for NTSC analog video and... |
267 | 89 (+267 SD channels) | 57 SD (10 HD channels) |
| Satellite Satellite In the context of spaceflight, a satellite is an object which has been placed into orbit by human endeavour. Such objects are sometimes called artificial satellites to distinguish them from natural satellites such as the Moon.... |
JCSAT-3A and JCSAT-4A | N-SAT-110 | |
| Launched | September 30, 1996 | October 10, 2008 | January 1, 2002 |