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TBS6304 latency

TBS6304 HD HDMI Capture Card comes with HDMI1.4 port, completely support full HD Video and Audio capture and playback. It provides 4 HDMI inputs of highest quality, and meets the HDMI 1.4 standard, satisfies the 1080P resolutions and can capture the LPCM audio signals in HDMI. Moreover, it supports H.264 hardward compression and HDCP. You can easily capture signals from different kinds of devices by TBS6304 HDMI Capture Card without limitation.

TBS6304 latency

Postby gisadra » Fri Oct 25, 2019 12:49 am

Hi,
I have latency almost 4000ms. I'm using linux open source drivers, Debian 10. I have same results using Astra and DVBlast.
Hw:
Motherboard: Z390 M GAMING (rev. 1.0)
CPU: intel i7-9700k
RAM: 8gb
SSD/HDD: m.2 ssd wd green
POWER SUPPLY: Cooler master watt lite 700w
Intel dual gigabit network card
Anyone with advice?
Thanks.
gisadra
 
Posts: 3
Joined: Fri Oct 23, 2015 12:24 pm

Re: TBS6304 latency

Postby luchy » Fri Oct 25, 2019 10:18 am

Hi,according to our test, tbs6304 about 2S latency. the latency maybe depend on your network environment. you can try to test in the same switch LAN.
luchy
 
Posts: 54
Joined: Wed Apr 14, 2010 9:14 am

Re: TBS6304 latency

Postby gisadra » Fri Oct 25, 2019 4:49 pm

luchy wrote:Hi,according to our test, tbs6304 about 2S latency. the latency maybe depend on your network environment. you can try to test in the same switch LAN.

That's exactly the way I tested. 2s is also too much. I thought this cards are low latency cards.
gisadra
 
Posts: 3
Joined: Fri Oct 23, 2015 12:24 pm

Re: TBS6304 latency

Postby gisadra » Sat Nov 02, 2019 5:17 pm

Is it possible to set this card in some sort of real time mode? I can't manage to lower the latency. Are closed source drivers better option for this case?
gisadra
 
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Joined: Fri Oct 23, 2015 12:24 pm

Re: TBS6304 latency

Postby luchy » Mon Nov 04, 2019 9:39 am

tbs6304 is hardware encode. It has nothing with the driver code even closed source drivers. It's determined by the hardware chip.
It is not less than 2S. if you want real time card, I think you need raw data output named tbs6314.
luchy
 
Posts: 54
Joined: Wed Apr 14, 2010 9:14 am


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