|
|
ame of the European standardization group which decides the system of digital television broadcasting. In addition, name of the system of being decided. There are 3 types of DVB-C for DVB-S and CATV for satellite broadcast and DVB-T for ground wave television broadcasting. MPEG-2 is adopted to compression of image sound. |
DVC <Digital videocassette>
Reading: D buoy sea
Full spelling: Digital Video Casette
Field:
Multimedia > home appliance /AV equipment > DVC |
The magnetic tape was utilized, the record media for the digital video camera. It has been based on the digital video standard, DV
It can use to the digital video camera for general home the if video recording time with standard mode 60 minutes, long haul mode it is 90 minutes. Size of the cassette 66mm×48mm×12mm and has become small-sized, width of the magnetic tape is 6.35mm. When there is a “standard DV cassette” in one for business, compares with the miniDV cassette size is large video recording time 4 hour half becomes long from 3 hours.
In addition, also the product, “MICROMV” was sold to for the small-sized video camera from SONY, but because other enterprise did not participate, production of the MICROMV corresponding product ended in 2005. Production sale of the tape continues. As for this size of the cassette 46mm×30.2mm×8.5mm and tape width with 3.8mm, video recording time is 60 minutes.
|
DVD
Reading: D buoy D
Full spelling: Digital Versatile Disk
Field:
Storage > optical disk > DVD > DVD |
also physical form CD similarly is the resin make disk of diameter 12cm. There is also a product of the type which is recorded to both sides, like the floppy disk can be wrapped in the jacket of the resin make, there are times when it is offered.
reproducible way DVD-RW which makes rewriting possible, there are 4 types of DVD-RAM which has the using selfishness which is similar to the floppy disk with most DVD players. DVD-RW/-RAM is one kind of phase change optical disk. There is separation of standard inside industry centering on record type, DVD, there is DVD+R and DVD+RW of opposite standard in DVD-R and DVD-RW. |
DVD-AR
Reading: D buoy D a earl
Full spelling: DVD Audio Recording
Field:
Storage > optical disk > DVD > DVD-AR
|
The format in order to record the contents which combine audio still picture letter in record type DVD. Contents specification conforms to the specification of DVD-Audio, the copy is restricted by copy control function.
channel 6 can record the sound of LPCM and Packed PCM (MLP) type basically. As for the highest bit rate 9.6Mbps. In addition, we support also irreversible compressed type, from can record long haul. As for being able to utilize as compressed system
Being annexed to audio information, the JPEG picture and it is possible to record information in printing. Disk name, album name and tune name, other than the lyric, it is possible also as a information in printing to input the text which the user appoints.
|
DVD-Audio <DVD audio>
Reading: D buoy D audio
Field:
Storage > optical disk > DVD > DVD-Audio |
Technical specification in order was decided by the DVD forum, to record sound to DVD. In addition, following to the same specification, it is the music DVD which was drawn up.
DVD where record capacity are approximately 7 times that CD is utilized, music recording with record and the super high sound quality with 5.1 has become possible.
Because sampling frequency and selecting quantization bit number and the number of channels are possible according to use, the sound quality and maximum record time differ largely depending upon those combinations.
With the highest sound quality, or, 96kHz sampling of the quantization 24 bit channel 6, with the combination which was said is possible, each of them has the recording time above CD.
|
|
|
