Sound Capture Recording Quality

[David McFarlane]

Nina,

My experience is a bit limited, so I hope someone else here can help, 
or you might consult a local sound engineer (try walking into any 
place that caters to musicians).  Offhand, I wonder if you need that 
preamp for the computer microphone input?  The preamp would boost the 
microphone-level signal from the microphone to a line-level output, 
which would be fine if you then plug this into a line-level input on 
your computer, but most computers no longer have line-level inputs, 
and if you plug a line-level output into a mic-level input you will 
overdrive the input and get distortion.

I could not get any info on the Shure M10A (Google actually failed me 
here!), but I also wonder whether that is a condenser vs. a dynamic 
microphone, and whether it is balanced or unbalanced, all more things 
that you have to pay attention to (see 
http://en.wikipedia.org/wiki/Microphone ).  Yes, this can get rather 
more complicated than you expect.  Around here for SoundIn we have 
done pretty well with an ordinary stand-mounted unbalanced computer 
microphone with 3.5mm TRS plug plugged directly into the microphone 
jack of the computer sound card.

-- David McFarlane


At 3/3/2014 10:42 AM Monday, Nina wrote:
>I am using the sound capture feature to make recordings for a 
>prosody production experiment. Currently we have a Shure M10A 
>headset mic plugged into a Rolls MP13 mini-mic preamp connected to 
>the computer (with just the built in sound card that came with the pc).
>There is a lot of noise but if I turn on the noise suppression 
>feature it does not pick up the higher frequencies. Does anyone have 
>suggestions on how to collect high quality recordings through the computer?
>
>Thank you,
>Nina

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