How about a simple wireless analog trick: http://hackaday.com/2012/08/31/a-laser-audio-transmitter/ http://www.instructables.com/id/Send-Music-over-a-Laser-Beam/ -- Marc
Ross Bencina <rossb-li...@audiomulch.com> a écrit : > On 26/01/2013 11:55 AM, Fons Adriaensen wrote: > > If the speaker input is analog, you'll have a DA converter in each > > receiver. This needs to get its sample clock*from the received data* > > unless you're prepared to resample the signal after decoding. Since > > there can and will be significant jitter on the wireless data > > timing, reconstructing a stable clock from this won't be easy. > > This is one of the main fun parts I think. Even with QoS you see > ~15ms packet jitter on WiFi. > > It doesn't matter whether the DA is clocked from the data or if there > is a resampling step. Either way you need to consume the data at the > rate it is being sent. > > I have implemented a similar thing and had phase-locked audio coming > out of ~20 iPod touches using one enterprise-grade access point. > > I used the CELT codec. I think it would be a struggle to get a large > number of uncompressed channels distributed over WiFi. > > You will also need to have good control over the WiFi drivers. > > Maybe WHDI is a better starting point: > > http://en.wikipedia.org/wiki/Wireless_Home_Digital_Interface > > Ross. > _______________________________________________ > Sursound mailing list > Sursound@music.vt.edu > https://mail.music.vt.edu/mailman/listinfo/sursound > _______________________________________________ Sursound mailing list Sursound@music.vt.edu https://mail.music.vt.edu/mailman/listinfo/sursound
