BurnPC.com

The hardware arrived this week for my final model of the Mobile DRC Project. I’ve created a page outlining the hardware and reason for the choices here.

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Your task, should you choose to accept it:

Review Impulse Response: http://en.wikipedia.org/wiki/Impulse_response
Get an idea how measuring the impulse response of a speaker system can be used for understanding reflections and their impact on what you hear: http://www.duffroomcorrection.com/wiki/Impulse_Response
This now leads naturally into Time-Frequency analysis, and some pretty graphs to stare at. http://drc-fir.sourceforge.net/doc/drc.html#htoc233 The graphs are shown in [...]

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The computer in the trunk of my car finally gave out. This is the one I’ve been using for Digital Room Correction as well as active crossovers between tweets, mids, and sub. Something probably shook loose but at this point the proof-of-concept stage is over. So out with the roped to the side of the [...]

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So I reinstalled a computer (running linux of course) into my car this weekend. I had been using for a bit in the car, messing around with BruteFIR to do time alignment, correct phase and correct frequency response (highly detailed EQ). The result was good and bad. The lower frequencies were greatly improved, while the [...]

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So I finally got a computer running in my car! Anyways, I’m using it to process the audio and correct for the position where I sit, phase, eq, all that stuff. It’s actually a very involved. Holly took some pictures of me yesterday sitting in the car with a laptop, a computer, mixer, mic and [...]

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I’ve got the stuff together now so I can do Digital Room Correction in my car. The plan is to build a Linux ‘appliance’ (really a PC booted from Compact Flash) that will process the audio on my car stereo. The process involves sampling the sound to know what problems are occurring in the systems [...]

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