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How to connect a USB microphone to an amplifier? 

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We propose a method of increasing the overall sensitivity of the microphone by increasing its electrical sensitivity.
Open accessProceedings ArticleDOI
Alexander Bertrand, Marc Moonen 
14 Mar 2010
39 Citations
In this paper, we propose an energy-based technique to track the power of multiple simultaneous speakers using an ad hoc microphone array with unknown microphone positions.
A microphone array has the potential for surmounting both of these problems.
Proceedings ArticleDOI
Yves Grenier, Sofiene Affes 
21 Apr 1997
7 Citations
The proposed microphone array responds well to these requirements under realistic conditions.
Proceedings ArticleDOI
30 Jun 2004
32 Citations
This paper presents a simple and fast procedure for self-calibration of the microphone gains, suitable for real-time applications using microphone arrays for capturing audio signals.
By viewing the microphone-amplifier system together, we develop a different method of optimization, leading to lower noise.
The results show that a more stable solution is obtained with the proposed two microphone approach.
The results are useful in determining signal-to-noise ratio gains from arbitrarily positioned differential microphone elements in microphone array applications.
Simulation results show that the proposed scheme leads to a higher broadband output SNR compared to an arbitrarily selected reference microphone, moreover achieving a partial equalization of the overall acoustic system.