WEBVTT -- English 00:00:00.971 --> 00:00:02.971 this is Bela 00:00:03.060 --> 00:00:06.011 an opensource platform for high performance, ultra-low latency interactive audio 00:00:07.272 --> 00:00:09.272 Bela is fast 00:00:09.272 --> 00:00:12.509 It's the most responsive platform on the market with less than 1ms latency 00:00:13.647 --> 00:00:15.647 Bela is built on the BeagleBone Black 00:00:15.667 --> 00:00:20.042 and combines the power of an embedded computer with the hardware connectivity of a micro controller 00:00:21.019 --> 00:00:23.019 Bela is easy to use 00:00:23.021 --> 00:00:26.443 it has everything you need for audio and sensor processing in one self contained package 00:00:26.445 --> 00:00:28.751 making ideal for embedded projects 00:00:30.989 --> 00:00:34.079 we designed Bela for creating interactive audio systems 00:00:34.417 --> 00:00:41.529 things like, digital musical instruments, audio effects boxes, synthesisers and different types of interactive installations 00:00:44.490 --> 00:00:46.490 plug in the board to your computer 00:00:47.320 --> 00:00:49.320 call up the IDE in your browser 00:00:49.475 --> 00:00:52.070 then click to run your code which compiled on the board 00:00:52.649 --> 00:00:55.095 when you're done editing you can detach the board from your computer 00:00:55.404 --> 00:00:58.567 power it with a battery and embed it in your project 00:01:05.983 --> 00:01:08.293 unlike on acoustic instruments, with digital instruments 00:01:08.311 --> 00:01:10.608 there's often a slight lag between action and sound 00:01:12.469 --> 00:01:14.469 this latency makes the instrument less responsive 00:01:14.560 --> 00:01:16.560 and the experience less satisfying 00:01:17.759 --> 00:01:19.759 Bela is capable of latency under 1ms 00:01:20.480 --> 00:01:22.480 faster than any musician can detect 00:01:23.230 --> 00:01:26.487 no other platform on the market, including laptops, can match this performance 00:01:29.286 --> 00:01:32.335 Bela runs on the BeagleBone Black, with 1GHz ARM processor 00:01:33.762 --> 00:01:36.679 It gives you stereo audio in and out, including onboard speaker amplifiers 00:01:38.019 --> 00:01:40.019 it also gives you eight high quality analog in and outs 00:01:40.180 --> 00:01:42.180 and 16 digital I/Os 00:01:43.510 --> 00:01:47.099 It's a really convenient environment for developing interactive systems 00:01:47.670 --> 00:01:50.629 that's especially true for audio systems but it's not only for audio. 00:01:50.739 --> 00:01:54.822 you can use it to control LEDs, servo motors, stepper motors 00:01:55.010 --> 00:01:57.010 all sorts of sensors and actuators 00:01:57.579 --> 00:02:01.938 Bela runs on Linux so you get access to networking, storage, USB and other peripherals 00:02:02.569 --> 00:02:08.060 On most systems the audio code goes through the OS and has to compete with all the other processes on the board 00:02:08.162 --> 00:02:12.911 This results in high latency, and can create glitches in the audio is the processor can respond in time 00:02:13.599 --> 00:02:19.459 with Bela we've created a custom environment that goes straight to the hardware, bypassing the OS entirely 00:02:19.520 --> 00:02:23.198 the audio and sensor code is always the highest priority task on the board 00:02:24.042 --> 00:02:26.042 but it's still very easy to use 00:02:26.044 --> 00:02:29.389 you can programme it with an Arduino-like environment using C++ 00:02:29.502 --> 00:02:33.989 the IDE also has an oscilloscope to visualise your audio and sensor signals 00:02:34.415 --> 00:02:38.560 Or instead, compile PureData patches straight onto the board using Heavy by Enzien Audio 00:02:38.670 --> 00:02:44.739 the generated code is highly optimised, and lets you address audio and sensor ins and outs directly within a patch 00:02:47.514 --> 00:02:52.110 we've a very easy system in place that allows you to go carry out very rapid prototyping. 00:02:52.298 --> 00:02:56.239 you can go from zero to a fully working system in a matter of minutes 00:03:00.500 --> 00:03:03.588 Bela has been developed in the Augmented Instruments Lab 00:03:03.647 --> 00:03:06.711 part of the Centre for Digital Music at Queen Mary University of London 00:03:07.659 --> 00:03:10.390 both the hardware and software are entirely opensource 00:03:11.000 --> 00:03:14.229 we want as many people as possible to be able to get their hands on this platform 00:03:14.330 --> 00:03:20.616 once you have the power of low latency processing in your hands, you realise how widely applicable it is 00:03:20.680 --> 00:03:24.520 we're launching this kickstarter campaign because we think that Bela 00:03:24.539 --> 00:03:27.819 is a fantastic new way of programming embedded audio and sensor data 00:03:28.389 --> 00:03:32.859 it's much more accurate and faster than any other options available at the moment