That is a very interesting solution, and thank you very much for all these details!
But, what do you mean by "acoustic magic microphone "? It is the 'voice tracker array microphone' or something else? Leslaw On Feb 29, 2012, at 10:25 AM, Miguel Escrivà wrote: > We bought the acoustic magic microphone and we dindn’t like it. It is very > expensive and the components are very cheap. The sound quality is very poor > too. The idea is good but the final result is not good enougth. > > So we analyzed how this microphone works and we have adapted it to our needs, > using better components and the final result is better than the acoustic > magic microphone, with only a little price increase. > So basically we have used a pair of condenser stereo microphones: Superlux > S502. > > > <Mail Attachment.jpeg> > > > <Mail Attachment.jpeg> > > > > To avoid noise, we have connected a noise gate to each microphone. In this > way we are using the same technique than the acoustic magic, muting the > microphones that are further away from the sound source (the teacher in this > case). > The noise gate we are using is the four channel noise gate Behringer > multigate pro. > > Obviously, we mix the sound of the four microphones using an Audio Mixer. In > our case we use a Behringer Xenyx X1622 USB. > This is the final result: > > > <Mail Attachment.jpeg> > > > > You can see the results in this little video: > http://polimedia.upv.es/pub/array_micros/array_micros.mp4 > > If you have more questions about the connections or components, feel free to > ask anything you want. > > > -- > The Polimedia Team > ASIC - Universidad Politecnica de Valencia > Valencia, Spain > _______________________________________________ > Matterhorn-users mailing list > [email protected] > http://lists.opencastproject.org/mailman/listinfo/matterhorn-users ====================== Dr Leslaw Zieleznik OBIS (Oxford Brookes Information Solutions) Oxford Brookes University Headington Oxford OX3 0BP ______________________ [email protected] Tel: +44 (0)1865 483973 Fax: +44 (0)1865 483073 ======================
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