AV2 master audio delay?

Posted by: ARC on 19 March 2003

I'm about to add AV to my current set up but am concerned that using progressive scan to a Plasma or projector can cause some lip sync issues on occassion. Some amps have a variable audio delay to correct this and I was interested to know if the AV2 has a feature like this. I've tried to down load the manual but having problems.

Thanks ARC

Posted on: 19 March 2003 by Richard Dane

ARC,

the AV2 can delay the audio but currently this facility is not available. A software update to make it available (0-150ms) is currently in the works to facilitate use with the progressive scan and scaling module in the forthcoming VS1 video switcher/processor. We will make an announcement to dealers and on our web-site when the software update is available.

Richard

Posted on: 19 March 2003 by Mr Underhill

Nope.

I use an Arcam DV88 that I've had prog scan fitted. In the menu's you can set the sudio delay to allow for the extra processing. Makes it a lot better - but still noticable occassionally; but the picture is fantastic.

I don't think you could include this facility on a stand alone AV2 - it has no way of marrying the picture to the sound. Maybe there might be some sort of facility when Naim bring out their video switching box.

Personally I am more than happy with the DV88 and AV2.

Posted on: 19 March 2003 by Adrian F.

When your dvd-player and your display or beamer both have native progressive-scan out+inputs, the picture is not converted, and you shouldn't have any sync problems. But this feature is quite young for pal-systems, it was not allowed until recently (only ntsc) because of missing copy protection. so a practical test of the desired combinaion is important.

When you have a source with normal interlaced picture out and somewhere in your "picture-chain" is some kind of linedoubler funcionality (like the chip-sets from faroudja or sim2 found in higher-range beamer inputs, dvd-players outputs, or separate-box video scalers) they have a lot to do in calculating the right lines together to generate progressive scan pictures with the right matching motion phases... this causes the delay!

Thank's for the infos Richard. Can you leak some additionals about the planned date, features or price-range whe can expect for the VS1 and the AV2 Update (software only)?

happy listening

Adrian

[This message was edited by Adrian Frauchiger on WEDNESDAY 19 March 2003 at 16:13.]

[This message was edited by Adrian Frauchiger on WEDNESDAY 19 March 2003 at 16:24.]