[linux-audio-user] newbie trying to record

Reuben Martin MartinR at jbu.edu
Fri Dec 3 01:01:25 EST 2004


>>>qjackctl connections window shows alsa_pcm->capture_1
>>>and capture_2, which are connected to things in Ardour,
>>>but not qaRecord.
>> 
>> 
>> Well... you're not going to capture anything with qaRecord unless you
>> patch the alsa capture intputs to it.
>> 
>> In Ardour, do you have the tracks to capture you input armed? Hitting
>> the record button doesn't do anything if none of the tracks are armed.
>>
>
>Thanks for the reply.
>
>If I connect alsa_pcm:capture_1 or _2 to qaRecord:in_0 or in_1, then 
>something shows up in the level monitor in qaRecord, but hovers down at 
>-80dB and doesn't change regardless of the input.
>
>In Ardour: I start a new project, add an new track "Audio 1", click the 
>button "INPUT" which gives me "in 1" or "in 2", so I choose "in 1". 
>Then, press track's RECORD button and it turns pink.  Then press record 
>button, press play and send sound into mic and line-in.  This does not 
>seem to produce anything.

The -80dB is probably the noise floor. Either that or you have things turned down so low it is barely getting a faint signal. Run alsamixer and make sure the channels you are recording from are turned up and/or unmuted.

Beyond that I can't help you much. SB cards are an absolute nightmare. Perhaps somebody else on this list who has a SB card can offer more help. The Alsa Wiki can sometimes help.

-Reuben




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