This is precisely why I have worked so hard with the Dazzle DVC100! Most newer cards, and some older with their built in processing and encoding think they know it all and often times result in GARBAGE OUT. I have purchased several other card in the last couple years and none have captured as this one. Some of those cards were for Windows or Mac, but I am very happy to run it on Linux, my preferred OS
The Dazzle DVC 100 is one of the few cards that PROPERLY passes interlaced video. I think i paid like $18 USD on ebay for it and it was clearly brand new out of box, no software, original cap and seal on USB connector I capture at 720x480, YUYV 4:22 . The resulting files are somewhat large but well worth it. If you have a good quality source like a Laserdisc or Betacam SP they can be nearly indistinguishable when mixed on a timeline with DV sources. I recommend you get a Version 1.1 as that is what mine is and read the thread here
I have tried numerous solutions for getting audio consistently from the Dazzle DVC100 V1.1 on Linux Mint 20.2 Uma (base: Ubuntu 20.04 focal) I have found several different solutions that did not work for me. Firstly in File > Settings > Audio I have disabled ALL sound devices Then make your...
obsproject.com
that thread explains the "single click fix" each time you load OBS.