[Lab] Audio Spectrum display

[Justin Slootsky]

Do you have any pointers or suggestions on how I would go about doing this filtering? I'm not even sure what keywords to use to start researching it. 

----- Original Message -----

| From: "Ryan Prior" <ryanprior at gmail.com>
| To: "Justin Slootsky" <justin at slootsky.org>
| Sent: Sunday, February 9, 2014 11:11:49 PM
| Subject: Re: [Lab] Audio Spectrum display

| On Sun, Feb 9, 2014 at 9:46 PM, Justin Slootsky < justin at slootsky.org >
| wrote:

| | I've been thinking about doing something like this, but a completely
| | different display method (individually addressable pixels in a line, colour
| | to denote frequency, or if that just works out to too close to all white,
| | then pixels for a frequency, and vary the intensity... Or something)
| 

| Yeah, you won't need to worry about them ending up all white because you can
| filter and stratify the source signal before sending it to display.

| | The bit that I'm wondering / worried about is that I'm planning on using
| | this
| | in a very loud venue, what microphone choices do I need to make in order
| | for
| | it not to be all blown out and reading 11 the whole time?
| 

| A fancy microphone is not important. You will get your best results by
| carefully choosing how you filter the audio. If there's lots of distortion,
| crash symbol, etc in the venue then you will need to treat that carefully to
| keep it from maxing out your signal. Play around with it and let us know if
| you need help.
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