Brooktree Bt848: Difference between revisions
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A [[PCI interface chipsets|PCI interface chipset]] from [[Brooktree Corporation|Brooktree]] that provides video decoder functionality. |
A [[PCI interface chipsets|PCI interface chipset]] from [[Brooktree Corporation|Brooktree]] that provides video decoder functionality. |
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It is supported under Linux by the [[bttv]] kernel driver module. |
It is supported under Linux by the [[bttv]] kernel driver module. |
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==Overview/Features== |
==Overview/Features== |
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The Bt848 chip was used by many analog cards produced in the mid 1990's; which collectively help constitute the [[Bttv devices (bt848, bt878)|Bttv devices]] categorization. |
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The Bt848A and Bt849A variations both included all the features of Bt848 while adding support for a few more functions (summarized in the table below). |
The Bt848A and Bt849A variations both included all the features of Bt848 while adding support for a few more functions (summarized in the table below). |
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Revision as of 02:55, 9 December 2008
A PCI interface chipset from Brooktree that provides video decoder functionality.
It is supported under Linux by the bttv kernel driver module.
Overview/Features
The Bt848 chip was used by many analog cards produced in the mid 1990's; which collectively help constitute the Bttv devices categorization.
The Bt848A and Bt849A variations both included all the features of Bt848 while adding support for a few more functions (summarized in the table below).
The Bt848 would also become the basis for several other successive decoder chipsets, beginning with the Brooktree Bt878; which themselves would also prove to be widely utilized.
| Featured | Bt848 | Bt848A | Bt849A |
|---|---|---|---|
| Composite, S-Video multi-standard Video Decoder and PCI bus master |
✔ Yes | ✔ Yes | ✔ Yes |
| Peaking, single crystal operation, & digital camera support |
- | ✔ Yes | ✔ Yes |
| WST (European encoding for Teletext) decoding support | - | - | ✔ Yes |