Thanks everyone for your answers. The case is unconventional because a stereo line signal must be sent from the computer. Professional wireless systems assume mic or instrument. Consumer systems do transmit stereo signal, but without bothering too much about latency.
Frankly, I did not expect the difficulty to find a good solution. Initially I wanted the wearable computer for a music video which is to be recorded live with sounds from natural objects. I bought the FM transmitter so my cameraman will be able to hear the music while he's filming. For this purpose it is ideal. Then I thought it would be good to use the computer in it's wearable mode for public performance. I figured that one of the many wireless solutions would suit the purpose, but didn't reckon with the unusual requirements. Further searching brought me to a new technology 'PurePath' from Texas Instruments. It has a range comparable with WiFi (30m), while it seems to work with paired devices as in Bluetooth. I haven't seen consumer products with this technology, but development kits are available. A rather convincing demo is here: http://www.youtube.com/watch?v=0YsnZQUfVGs If this system can work with low latency it could be perfect for wireless Pd. Katja On Fri, Mar 1, 2013 at 11:41 AM, Antoine Villeret < antoine.ville...@gmail.com> wrote: > hello, > > those are good for what they have been designed for and it depends on what > you mean by "exellent sound quality" > > I've made few tests on those few years ago and the bandwidth could be good > enough to transmit guitar/bass signal but nothing else for me > > + > a > > > -- > do it yourself > http://antoine.villeret.free.fr > > > 2013/2/28 richard duckworth <richduckwo...@yahoo.com> > >> Hi Katja >> one of these would do it - check with Thomann tech support for gain >> issues (these are Instrument Level input) They should be fine however as >> active guitar pickups (like heavy style EMG pickups) output quite high >> levels. These type of wireless systems tend to be very rugged, have >> excellent sound quality and long battery life - and you'll want these >> things. >> >> http://www.thomann.de/ie/cat.html?gf=wireless_for_guitar_bass&oa=pra >> >> >> >> Rich Duckworth >> Lecturer in Music Technology >> Department of Music >> House 5 >> Trinity College >> Dublin 2 >> Ireland >> Tel 353 1 896 1500 >> >> "Digital? >> Is that the thing where they take a good old sine wave and they chop it >> up into little bits?" --- Rupert Neve >> ------------------------------ >> >> >> >> Message: 3 >> Date: Thu, 28 Feb 2013 11:53:43 +0100 >> From: katja <katjavet...@gmail.com> >> Subject: [PD] wireless audio from Pd to PA system >> To: pd-list <pd-list@iem.at> >> Message-ID: >> <cafy0eappskfw+gvaxutr7exhqlig+ptdu8rk6sntraliys2...@mail.gmail.com> >> Content-Type: text/plain; charset=ISO-8859-1 >> >> For a wearable live performance computer, I am looking into the >> options of sending wireless audio from Pd to a PA sound system and >> other listeners. >> >> In a first experiment I've tried a Linex FM transmitter. Audio quality >> is good enough, and FM transmitters do not introduce latency. This >> option is cheap and flexible, as the signal can be received by simple >> radio's, which are even built into cell phones and media players. I >> would need to boost the transmission a bit to make it more reliable. >> This will of course make the equipment illegal. Even then, the risk >> that someone else is transmitting a stronger signal on the channel can >> not be excluded. >> >> Another option could be to send audio over Wifi. This would require >> WLAN to be available, and one extra computer (with audio interface) as >> a receiver. To avoid extra latency the audio should be sent >> uncompressed, like [udpsend~] / [udpreceive~] can do it. This has the >> risk of packet loss and serious dropouts. >> >> I've been searching for 2.4 GHz wireless music receivers and found >> things like this: >> http://www.sitecom.com/en/wireless-music-streamer/wl-061/p/203. They >> seem to act like external soundcards for your computer. In Linux >> though I've never managed to properly connect multiple soundcards with >> Pd (in OSX it's easy using the Aggregate Device Editor from Audio MIDI >> Setup). Also I guess these devices introduce huge latency. With audio >> over bluetooth headsets I've experienced latencies up to a second. >> >> Does anyone use a satisfactory method in practice, to send audio from >> Pd without wires? >> >> Thanks, >> Katja >> >> >> >> ------------------------------ >> >> _______________________________________________ >> Pd-list mailing list >> Pd-list@iem.at >> to manage your subscription (including un-subscription) see >> http://lists.puredata.info/listinfo/pd-list >> >> >> End of Pd-list Digest, Vol 95, Issue 152 >> **************************************** >> >> >> >> _______________________________________________ >> Pd-list@iem.at mailing list >> UNSUBSCRIBE and account-management -> >> http://lists.puredata.info/listinfo/pd-list >> >> > > _______________________________________________ > Pd-list@iem.at mailing list > UNSUBSCRIBE and account-management -> > http://lists.puredata.info/listinfo/pd-list > >
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