[LAU] JACK: inputs and outputs

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To: <linux-audio-user@...>
Date: Sunday, July 18, 2010 - 11:47 am

If I use qjackctl to start jackd, the connect window shows two capture
ports and two playback ports.

I can then start a pair of meterbridge dpms, and connect their inputs to
the capture ports. Signal applied to the mic jack then shows up on the
meters. So I deduce that the capture ports are related in some way to
the mic jack.

If I connect between the capture ports and the playback ports, should I
then expect the signal to be present at either the headphone or the line
output jack?

And (this may actually be the same question), the soundcard has numerous
analogue inputs (mic, line, CD), at least two outputs, not to mention
whatever the mechanism in the digital domain is to relay internet radio
etc. Can they all appear as ports in the qjackctl connect window? Is
there some special imprecation needed when I start jackd?

Thanks for your patience.

Andrew.
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Messages in current thread:
[LAU] Wired... wires confused!, Louigi Verona, (Wed Jul 14, 9:07 pm)
Re: [LAU] Wired... wires confused!, Malte Steiner, (Wed Jul 14, 10:14 pm)
Re: [LAU] Wired... wires confused!, hermann, (Thu Jul 15, 4:22 am)
Re: [LAU] Wired... wires confused!, , (Wed Jul 14, 9:33 pm)
Re: [LAU] Wired... wires confused!, Louigi Verona, (Thu Jul 15, 7:16 am)
Re: [LAU] Wired... wires confused!, James Stone, (Thu Jul 15, 8:25 am)
Re: [LAU] Wired... wires confused!, , (Thu Jul 15, 9:01 am)
Re: [LAU] Wired... wires confused!, Ken Restivo, (Sat Jul 17, 3:29 am)
Re: [LAU] Wired... wires confused!, drew Roberts, (Sat Jul 17, 7:01 pm)
Re: [LAU] Wired... wires confused!, , (Sat Jul 17, 7:54 pm)
Re: [LAU] Wired... wires confused!, drew Roberts, (Sat Jul 17, 10:00 pm)
Re: [LAU] Wired... wires confused!, Ken Restivo, (Sun Jul 18, 9:00 am)
Re: [LAU] Wired... wires confused!, Chris Cannam, (Sat Jul 17, 9:41 pm)
Re: [LAU] Wired... wires confused!, Pedro Lopez-Cabanillas, (Sun Jul 18, 10:44 am)
Re: [LAU] Wired... wires confused!, Patrick Shirkey, (Sun Jul 18, 2:40 am)
Re: [LAU] Wired... wires confused!, Arnold Krille, (Sun Jul 18, 6:53 am)
Re: [LAU] Wired... wires confused!, , (Sat Jul 17, 9:55 pm)
Re: [LAU] Wired... wires confused!, Paul Davis, (Sun Jul 18, 3:04 pm)
Re: [LAU] Wired... wires confused!, Ken Restivo, (Tue Jul 20, 8:29 pm)
Re: [LAU] Wired... wires confused!, Joshua D. Boyd, (Wed Jul 21, 2:42 am)
Re: [LAU] Wired... wires confused!, Patrick Shirkey, (Wed Jul 21, 2:49 am)
Re: [LAU] Wired... wires confused!, , (Sun Jul 18, 8:28 pm)
[LAU] [OT] Farming Implements and bad puns (was Re: Wired......, Gabriel M. Beddingfield, (Sun Jul 18, 4:49 pm)
Re: [LAU] [OT] Farming Implements and bad puns (was Re: Wire..., rosea grammostola, (Sun Jul 18, 4:54 pm)
Re: [LAU] Wired... wires confused!, Patrick Shirkey, (Sun Jul 18, 2:41 am)
Re: [LAU] Wired... wires confused!, Rui Nuno Capela, (Sat Jul 17, 11:31 pm)
Re: [LAU] Wired... wires confused!, drew Roberts, (Sat Jul 17, 10:07 pm)
Re: [LAU] Wired... wires confused!, , (Sat Jul 17, 10:15 pm)
Re: [LAU] Wired... wires confused!, drew Roberts, (Sun Jul 18, 1:00 am)
Re: [LAU] Wired... wires confused!, , (Sun Jul 18, 9:19 am)
[LAU] JACK: inputs and outputs, Andrew Bryant, (Sun Jul 18, 11:47 am)
Re: [LAU] JACK: inputs and outputs, Paul Davis, (Sun Jul 18, 2:02 pm)
Re: [LAU] JACK: inputs and outputs, Patrick Shirkey, (Sun Jul 18, 12:40 pm)
Re: [LAU] Wired... wires confused!, Folderol, (Sat Jul 17, 9:44 pm)
Re: [LAU] Wired... wires confused!, Paul Davis, (Sat Jul 17, 8:24 pm)
Re: [LAU] Wired... wires confused!, Patrick Shirkey, (Sun Jul 18, 2:34 am)
Re: [LAU] Wired... wires confused!, Gabriel M. Beddingfield, (Sat Jul 17, 9:19 pm)
Re: [LAU] Wired... wires confused!, , (Sat Jul 17, 9:36 pm)
Re: [LAU] Wired... wires confused!, drew Roberts, (Sat Jul 17, 7:12 pm)
Re: [LAU] Wired... wires confused!, Natanael Olaiz, (Thu Jul 15, 11:06 am)
Re: [LAU] Wired... wires confused!, Florian Faber, (Thu Jul 15, 11:14 am)
Re: [LAU] Wired... wires confused!, Natanael Olaiz, (Thu Jul 15, 11:16 am)
Re: [LAU] Wired... wires confused!, , (Fri Jul 16, 11:05 pm)
Re: [LAU] Wired... wires confused!, Natanael Olaiz, (Thu Jul 15, 11:21 am)
Re: [LAU] Wired... wires confused!, Louigi Verona, (Thu Jul 15, 9:06 am)
Re: [LAU] Wired... wires confused!, Andrew C, (Thu Jul 15, 9:33 am)
Re: [LAU] Wired... wires confused!, James Stone, (Thu Jul 15, 9:51 am)
Re: [LAU] Wired... wires confused!, Louigi Verona, (Thu Jul 15, 8:49 am)
Re: [LAU] Wired... wires confused!, James Stone, (Thu Jul 15, 9:49 am)
Re: [LAU] Wired... wires confused!, Louigi Verona, (Thu Jul 15, 11:24 am)
Re: [LAU] Wired... wires confused!, Hartmut Noack, (Sun Jul 18, 10:33 am)