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This is similar to a hybrid tuner, except there are two separate tuners on the card. One can watch analog while recording digital, or vice versa. The card operates as an analog tuner and a digital tuner simultaneously. The advantages over two separate cards are cost and utilization of expansion slots
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Like the analog cards, the Hybrid and Combo tuners can have specialized chips on the tuner card to perform the encoding, or leave this task to the CPU. The tuner cards with this 'hardware encoding' are generally thought of as being higher quality. Small USB tuner sticks have become more popular in
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big enough to hold the firmware sets for decoding several different video formats, making it possible to use the tuner in many countries without having to flash the firmware. However, while it is generally possible to flash a card from one analog format to another due to the similarities, it is
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A hybrid tuner has one tuner that can be configured to act as an analog tuner or a digital tuner. Switching between the systems is fairly easy, but cannot be done immediately. The card operates as a digital tuner or an analog tuner until reconfigured.
654:. The capture cards used for this purpose are typically purchased, installed, and configured in host PC systems by hobbyists or systems integrators. Some care is required to select suitable host systems for video encoding, particularly
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cards are a class of video capture devices designed to plug directly into expansion slots in personal computers and servers. Models from many manufacturers are available; all comply with one of the popular host bus standards including
603:. Most, but not all, video capture cards also support one or more channels of audio. New technologies allow PCI-Express and HD-SDI to be implemented on video capture cards at lower costs than before.
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One of the most popular applications for video capture cards is to capture video and audio for live
Internet video streaming. The live stream can also be simultaneously archived and formatted for
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While most PCI and PCI-Express capture devices are dedicated to that purpose, AGP capture devices are usually included with the graphics adapted on the board as an all-in-one package. Unlike
633:), television tuning, or video surveillance. The cards may have significantly different designs to optimally support each of these functions. Capture cards can be used for recording a
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2006 and 2007 and are expected to increase in popularity. These small tuners generally do not have hardware encoding due to size and heat constraints.
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There are many applications for video capture cards, including converting a live analog source into some type of analog or digital media, (such as a
339:(collectively known as the analog front end) along with demodulation and interface logic. Some lower-end cards lack an onboard processor and, like a
467:; this is because there are similarities between broadcast television and FM radio. The FM radio spectrum is close to (or even inside) that used by
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568:, to software applications that further process the video for specific purposes. As a class, the cards are used to capture baseband analog
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in the computer. As many regions around the world convert from analog to digital broadcasts, these tuners are gaining popularity.
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generally not possible to flash a card from one digital format to another due to differences in decode logic necessary.
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around the world use FM audio. So listening to an FM radio station is simply a case of configuring existing hardware.
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upgrade is often all that's necessary to change the supported video format. Many newer TV tuners have
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video. Some specialized cards support digital video via digital video delivery standards including
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cards output a raw video stream, suitable for real-time viewing but ideally requiring some sort of
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cards, these cards tend to not have dedicated hardware for processing video beyond the
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Kind of television tuner that allows television signals to be received by a computer
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formats used in the country of sale, many TV tuners used in computers use
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standard. These models often support both standard definition (SD) and
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Please try to keep recent events in historical perspective and
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characteristics that heavily influence capture performance.
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740:"PC Project: Choosing a TV tuner card to record digital TV"
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The interfaces for TV tuner cards are most commonly either
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External TV tuner card attachments are available for
101:. Unsourced material may be challenged and removed.
742:.pcauthority.com.au, Retrieved 9 January 2011
518:). There is also a "converter" for watching
401:More-advanced TV tuners encode the signal to
343:, rely on the system's CPU for demodulation.
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564:to expose the cards' features, via various
64:Learn how and when to remove these messages
560:These cards typically include one or more
331:All-In-Wonder series. The card contains a
222:Learn how and when to remove this message
161:Learn how and when to remove this message
658:applications which are more affected by
576:, and, in models equipped with tuners,
434:While most TV tuners are limited to the
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584:(SDI) and, more recently, the emerging
409:, relieving the main CPU of this load.
323:devices also exist. In addition, some
311:(PCIe) bus for many modern cards, but
351:There are many types of tuner cards.
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471:terrestrial TV broadcasts. And many
99:adding citations to reliable sources
680:Comparison of PVR software packages
369:Some cards also have analog input (
258:. Most TV tuners also function as
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327:double as TV tuners, notably the
238:The ATI Twin Wonder TV tuner card
45:This article has multiple issues.
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463:Many TV tuners can function as
262:cards, allowing them to record
86:needs additional citations for
53:or discuss these issues on the
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199:related to non-recent events.
190:slanted towards recent events
601:analog-to-digital conversion
522:in Europe and elsewhere via
473:broadcast television systems
254:signals to be received by a
337:analog-to-digital converter
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377:) and many also provide a
398:, which debuted in 1989.
384:An early example was the
366:if it is to be recorded.
725:InfoWorld - Jan 30, 1989
640:(LP) so gamers can make
606:An early example is the
582:serial digital interface
293:D-Link external TV tuner
756:Computing input devices
714:InfoWorld - Aug 7, 1989
662:performance, number of
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95:improve this article
264:television programs
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18:Video editing card
608:Mass Microsystems
566:operating systems
479:Mobile TV adapter
436:radio frequencies
364:video compression
360:Analog television
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205:February 2012
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485:mobile phone
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459:Radio tuners
452:flash memory
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422:Combo tuners
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93:Please help
88:verification
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47:Please help
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761:Set-top box
668:motherboard
642:walkthrough
551:PCI Express
531:PacketVideo
500:TV stations
403:Motion JPEG
386:Aapps Corp.
379:radio tuner
325:video cards
317:ExpressCard
309:PCI Express
151:August 2020
750:Categories
701:References
695:TV gateway
635:video game
625:tape to a
553:(PCIe) or
506:in Japan (
285:tuner card
252:television
121:newspapers
50:improve it
664:CPU cores
496:mobile TV
490:like the
465:FM radios
268:hard disk
56:talk page
674:See also
647:videos.
645:gameplay
638:longplay
549:, newer
516:Qualcomm
512:MediaFLO
508:SoftBank
488:handsets
448:firmware
341:Winmodem
256:computer
574:S-Video
446:, so a
389:MicroTV
375:S-Video
335:and an
266:onto a
135:scholar
498:, via
492:iPhone
313:PCMCIA
283:DVB-S2
137:
130:
123:
116:
108:
524:Wi-Fi
520:DVB-H
440:video
393:Apple
347:Types
333:tuner
319:, or
142:JSTOR
128:books
586:HDMI
504:1seg
438:and
407:MPEG
391:for
114:news
660:CPU
631:DVR
627:DVD
623:VHS
555:AGP
547:PCI
533:).
502:on
469:VHF
444:DSP
405:or
373:or
329:ATI
321:USB
302:bus
299:PCI
97:by
752::
656:HD
572:,
381:.
315:,
281:A
242:A
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139:·
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