However, changes in recording technology has brought new memories with them. They are practical only in recent times in memory media in the form of memory cards - at least when it comes to integrated on-board storage in the camcorder.
Such were the storage media from a few years ago: different cassette systems. Also at the step from analogue to digital recording, the band was initially the information carrier of choice. That's passé, currently are popular with all manufacturers memory cards.
The revolution began in the Photo: With breathtaking speed, sat down by the digital technology, instead of talking about the 9x13 and 10x15 Consumer Megapixels and suddenly finds instead slide and aperture card images were used. Although many initially did not believe, here is the starting point for change in the storage media in the motion picture professional area.
What once heralded the first USB flash drives with a few megabytes of storage capacity, now stands as a CF or SD memory card with up to 64 gigabytes of capacity currently available - for a data set in this size ; order of magnitude one needs seven DVDs in the popular movie-size DVD-9. And if with Arri now a Manufacturer with great film tradition on SxS memory card as onboard media sets, you know: The memory cards have finally made in the professional motion picture technology.
In the following overview of the most important information on the latest in the industry are most widely used storage media combined. Sometimes you can find in the lexicon of film-tv-video.de to the different concepts even more extensive explanations.
collection of articles on the topic
Three articles on the subject of codecs / formats / recording technology are already in film-tv-video.de published (see links at end of article), and two more in the coming days . Follow These six items are - supplemented by two format tables, and an overview of current single-large-sensor cameras - also available in a print publication, and as a complete PDF. Complete details on the PDF you know when the last of six articles has appeared online.
overview of current storage media
A-Cam Cartridge: the Swedish manufacturer Ikonoskop has developed its own digital camera storage media, such as a credit card-sized, but somewhat thicker memory card. With a capacity of 160 GB, they should be able to record 32 minutes raw material (1,920 x 1,080, 25 fps) - at a data rate of up to 240 Mbps.
CF-Card: The CompactFlash card comes from the photo area, but later was able to establish itself in other areas. This card uses including the manufacturer Red Digital Cinema as a storage medium for the Red One camera. Canon also uses in its DSLRs with HD video function and its tapeless camcorders XF to the CF card as storage medium. Sony is also working with the CF card recorder HVR-MRC1 also with the storage medium. 64-GB CF cards enable write speeds of up to 90 MBps.
hard drives, Disk Recorder, portable, external disk recorders of various Manufacturers can be connected via various interfaces to camcorders or cameras and draw parallel to the onboard memory or as a single recording medium, the camera signals. The interesting thing is that a growing number of camcorders higher quality signal output to external devices, as they can store internally: If you want to alos to reach the maximum recording quality, you must use an external recorder. These recorders use today partly own Cartridge Sys-tems with hard drives or solid-state memory. One of the next article in this series deals with a selection of such set-recorder.
FieldPaks: This special Removable hard disk system Ikegami Editcam uses in his system. The camcorder, different codecs are set, the data is then written in the appropriate format to the FieldPaks.
GFPAK: in the form of GFPAK provides Toshiba with Ikegami to a further solid-state version. This storage medium is in the tapeless camcorders Ikegami used. GFPAK are significantly larger than SD or CF memory card, but they offer such an integrated charge indicator and are equipped with two interfaces that are widespread in the IT sector: SATA and USB 2.0 - you need not necessarily with a reader or a computer special Slots to be able to copy the material and views. There are now two series of GF-Paks and GF adapter that can be equipped with a CF or SD cards.
Memory Stick: Sony sat in his compact camcorders used exclusively to our own Memory Stick. Meanwhile, the manufacturer supported in current devices, the alternative use of SD cards for recording.
Memory Sticks are now available in various forms (Memory Stick (MS), Memory Stick Duo (MSD), Memory Stick Pro (MSP), Memory Stick Pro Duo (MSPD), Memory Stick Pro-HG Duo HX). For NXCAM the new devices, the manufacturer recommends the Duo HX sticks.
P2: P2 is short for Professional Plug-In Card, a storage medium that Panasonic developed specifically for use in professional tapeless camcorders. Any P2 card combines four SD-card memory chips in a PCMCIA package. As a result, at least in theory, four times the transfer and write-data rate, as with a single SD card: up to 640 Mbps transfer rate is theoretically possible. Panasonic offers two series of P2 cards: the A and E series with slightly different specifications and prices. The largest P2 card currently 64 GB. 64 minutes in DVCPRO HD material to fit the P2 card.
Professional Disc: The Professional Disc (PD), Sony has developed as a storage medium for the XDCAM format. The optical storage medium is a technology with the Blu-ray Disc related, they are so incompatible. The first introduced single-layer disc has 23 GB storage capacity. A development of this disc is the dual-layer PD. It offers a storage capacity of 50 GB. The dual-layer disc format allowed the youngest of the family of XDCAM: XDCAM HD 422nd IBC2010 expanded to the Sony PD-family to a write-once quad-layer disc that offers 128 GB of storage. The significant capacity expansion the quad-layer disc, and their higher transmission speed to the PD as an option for long-term preservation established in the market.
SD Card: SD is the abbreviation for compact storage chip system Secure Digital. SD memory cards are the most widely used memory cards in the market. SD cards are smaller and thinner than CF cards.
The currently most powerful version of SD memory cards are SDXC cards. The storage capacity of this memory is being targeted to up to 2 terabytes designed, speeds of up to 300 MBps. Currently popular are SDXC cards with capacities of up to 64 GB and write speeds of 10 to 35 MBps (depending on provider).
The still more common SD cards are divided into different classes and available in capacities up to 32GB. The powerful Class 10 provides a speed of 10 MBps.
Panasonic, JVC and more recently, Sony, SDHC cards use in AVCHD camcorders with professional features. Depending on record in what frame rate you want, you have to pay attention to the performance of the card and use the appropriate class.
SR Memory: Sony has announced for 2011, the introduction of a fixed-storage system, intended to provide a storage capacity of one terabyte and transfer rates of 5 Gbps. SR-memory is to be offered as an alternative storage medium in the HDCAM SR SRW-range for the camcorder-9000 and the cameras F35 and F23.
SxS: memory card for professional camcorders from Sony. The SxS memory cards fit into PC-Express slots on laptops and PCs, as well as in certain of Sony XDCAM products. Sony introduced the format as the storage medium SxS XDCAM EX (4:2:0, max. 35 Mbps) that now there is also a camcorder with a higher data rate of 50 Mbps 4:2:2 recording on SxS can. The maximum theoretical transfer rate was the first Card generation (SxS Pro) at 800 Mbps. The new SxS cards (SxS-1) provide a transfer rate of 1.2 Gbps and can work both in the UDF, as in the FAT mode.
There are now many SxS memory card and adapter, with which to use memory cards in the SxS slot. Even Sony itself offers the MEAD-MSD01 in such an adapter. However, these adapters provide for such slow motion is not always adequate performance.
SxS also comes with Alexa Arris used. However, Arri features the Apple ProRes format on the SxS memory cards.
more details and photos:
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