Save the config file, compile your new kernel, install it and restart. The change can be made using a registry editor after you install, or by editing the Bt Make sure you post the findings of your investigations here and on the Linux-Media Mailing List so that bttv-cards. I think it would be possible to modify their wrapper to solve this problem but unfortunately I do not have the free time and special equipment needed to work on it. This is what I’ve done Debian Sarge testing, kernel version 2.

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So I did it myself — see the history.

Bt878 and example btvid3.c Driver Tips

My capture hardware is based on the bt chip, not the bt Will your driver work for me? I installed your driver for my tuner card and it worked just fine. As a result, even boards by the same vendor may use incompatible audio routing schemes.

This is a general howto here.

Unfortunately, Conexant and many other vendors who used the reference 3. The technology for creating and editing video was first developed by Microsoft in November According the Hercules support site http: In this case, don’t expect multiple input devices. To check your card with my drivers it is necessary to use software that is based on DirectShow. I’m not sure they all use BT8xx chips.


My hardware is mentioned in your compatibility list. So if your card is not currently in our compatibility list, it may be easy chipest obtain a good picture but hard to get a proper sound.

– tweaked bt WDM drivers >> FAQ

Views Read View source View history. Third — and this is the most serious problem — you may have no audio.

If your card is based on the older bt chip, you’ll probably see some garbage stripes in the video picture. Please keep in mind, I do not produce, sell, or collect TV tuner cards. Thus, I can not provide a support for your particular capture board until I have one for testing purposes.


Instead, the TV tuner vendors created propietary software libraries for selecting an audio source and for tuning the TV channels. To do this, just look in the registry or, before you install, in the bttuner.

Borg offers some useful tools like btTool and btInspector at http: This was a long time ago. If not, you should try this howto here, and if it works, add this section to your card’s article in this wiki.

Also of interest is the note on getting sound to work with a bttv device: Top contact me here. Otherwise you must read Q4. But today PC hardware is much more powerful and therefore requires an extended control interface that VFW does not offer. Testing your DVB device. So, is your driver right for me?


As a result Windows will be unable during installation to know the hardware exactly and will use the first compatible device driver found — usually “bt tweaked WDM Video Capture. In Conexant company the vendor of BrookTree and chips placed their reference 3. If you know exactly how to switch an audio channel for your tuner board, please drop me a note and I’ll try to add some support for it. This slowdowns your PC a bit, and the chopset grabs only one TV signal field.

Also Windows offers better memory management, drive caching and accurate multitasking support which reduces the number of dropped frames. Later Conexant closed the download but the sources were spread over the Internet.