• Open Menu Close Menu
  • Apple
  • Shopping Bag
  • Apple
  • Mac
  • iPad
  • iPhone
  • Watch
  • TV
  • Music
  • Support
  • Search apple.com
  • Shopping Bag

Lists

Open Menu Close Menu
  • Terms and Conditions
  • Lists hosted on this site
  • Email the Postmaster
  • Tips for posting to public mailing lists
RE: Level Meters and gain control
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

RE: Level Meters and gain control


  • Subject: RE: Level Meters and gain control
  • From: Phil Montoya <email@hidden>
  • Date: Thu, 10 Oct 2002 16:38:58 -0700

We opted not to allow the user to change input levels on SDI (serial digital
video) inputs. These levels are best preserved in their original state
during capture.

-Phil

-----Original Message-----
From: Michel [mailto:email@hidden]
Sent: Thursday, October 10, 2002 4:15 PM
To: Robert Penland; 'Mark Cookson'
Cc: 'email@hidden'
Subject: Re: Level Meters and gain control


On Thursday 10 October 2002 23:04, Robert Penland wrote:
> OK, if that is the way it has to be, is there a way to have the control,
> but somehow indicate to the user that it is disabled. Most users get
> frustrated if they see a control and drag it around, but nothing happens.
>
> Thanks,
> Rob

You could also implement it in software, since you do the conversion
int->float, it's just one multiplication more, thats pretty cheap; in fact,
it can turn out to be a BONUS speedwise, since it gives you another 'stage'
to schedule the pipeline.

I think it's too bad theres is no standard properly for level metering in
general, some boards to that in hardware as well, theres no need to process
any audio at all (especialy for input)

Michel
_______________________________________________
coreaudio-api mailing list | email@hidden
Help/Unsubscribe/Archives:
http://www.lists.apple.com/mailman/listinfo/coreaudio-api
Do not post admin requests to the list. They will be ignored.
_______________________________________________
coreaudio-api mailing list | email@hidden
Help/Unsubscribe/Archives: http://www.lists.apple.com/mailman/listinfo/coreaudio-api
Do not post admin requests to the list. They will be ignored.

  • Prev by Date: Re: Level Meters and gain control
  • Next by Date: Re: best way to get rate conversion
  • Previous by thread: Re: Level Meters and gain control
  • Next by thread: Beginner on AudioProgramming!
  • Index(es):
    • Date
    • Thread