[Jack-Devel] Using USB sound card with Jack

[David Kastrup]

Benny Alexandar <ben.alex at outlook.com> writes:

> Hi,
>
> I'm using latest jack audio server version jackd 1.9.12. I have built
> simple client.c app
> and able to capture audio from microphone input and play it out.
>
> I have another USB soundcard which is connected to pc through USB.
> How to get input from USB soud card ?
>
> After connecting USB sound card and when printed the ports[] array
> after executing the jack API jack_get_ports()
> I could see only PC microphone capture ports, not showing USB ports.

Start jackd as

jackd -d alsa -d hw:1 ...

Instead of hw:1 you may use whatever ALSA decides to call this device
(cf the verbose name in [...] in /proc/asound/cards: if it is
[Satellite   ], -d hw:Satellite may word).

-- 
David Kastrup