Assignment 04 Mixer IO Proof

Description:
This assignment is meant to quantify, and through that, hopefully simplify some of the challenges of working with mixers, and other audio input/output technology. Those with significant experience using mixers should replace this assignment with an alternate experience.

Tools needed:
A stand alone mixer (analog or digital) or a software mixer with an audio interface (which we will refer to as a mixer).
Means to generate and analyze test signals digitally.
(link)Suggested tools for testing at NYU

Test signal specifics:
All test signals should be generated at -20dB inside the software
Sine waves of variable frequencies and durations
Pink noise waves of variable duration
White noise waves of variable duration

Configuration:
The signal generating device must connect to the input of the mixer.
The mixer then must connect to the input of the signal analyzing device.

Experiments:
Pass a 1kHz sine wave test signal through the mixer with minimal distortion.
Pass the white noise through the mixer, observe the analysis.
Pass the pink noise through the mixer, observe the analysis.
Return to the white noise signal, this time apply equalization to produce an analysis signal that looks like the pink noise.

Report:
How many controls, gain-stages, switches, etc are between the signal going into your mixing and coming back out of the main output or control room output?
Describe/document how you were able to manipulate the sound using equalization.
Discuss the value of passing signals without distortion and how the controls of the mixer may be useful for you when producing recorded music.

Due:
Report due as blog post before our next meeting.
Use comment field below to link your report.

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