<html><body><div style="color:#000; background-color:#fff; font-family:Helvetica Neue-Light, Helvetica Neue Light, Helvetica Neue, Helvetica, Arial, Lucida Grande, Sans-Serif;font-size:13px"><div id="yui_3_16_0_1_1420497675105_43269" dir="ltr"><span>hi Emyr, </span></div><div id="yui_3_16_0_1_1420497675105_43269" dir="ltr"><span><br></span></div><div id="yui_3_16_0_1_1420497675105_43269" dir="ltr"><span>I've been conversing with Ceri (I think off list)...</span></div><div id="yui_3_16_0_1_1420497675105_43269" dir="ltr"><span><br></span></div><div id="yui_3_16_0_1_1420497675105_43269" dir="ltr">something I didn't make clear in previous email was this: </div><div id="yui_3_16_0_1_1420497675105_43269" dir="ltr"><br></div><div id="yui_3_16_0_1_1420497675105_43269" dir="ltr">The channels being played back will comprise of</div><div id="yui_3_16_0_1_1420497675105_43269" dir="ltr"><br></div><div dir="ltr" id="yiv7306626140yui_3_16_0_1_1420497675105_7059" class="" style=""><span id="yiv7306626140yui_3_16_0_1_1420497675105_16981" class="" style="">4 audio (most likely mp3s, because I want file sizes to be as small as possible)</span></div><div dir="ltr" id="yiv7306626140yui_3_16_0_1_1420497675105_7059" class="" style=""><br clear="none" class="" style=""></div><div dir="ltr" id="yiv7306626140yui_3_16_0_1_1420497675105_7059" class="" style=""><span id="yiv7306626140yui_3_16_0_1_1420497675105_16966" class="" style="">3 image (so either pdfs OR JPEGS - which might need to be scrolled in order to read a document)</span></div><div dir="ltr" id="yiv7306626140yui_3_16_0_1_1420497675105_7059" class="" style=""><br clear="none" class="" style=""></div><div dir="ltr" id="yiv7306626140yui_3_16_0_1_1420497675105_7059" class="" style=""><span id="yiv7306626140yui_3_16_0_1_1420497675105_16982" class="" style="">1 video (I say this because apparently the size of video files might pose a problem if I was to stream more than one video file from a laptop)</span></div><div dir="ltr" id="yiv7306626140yui_3_16_0_1_1420497675105_7059" class="" style=""><span class="" style=""><br></span></div><div dir="ltr" id="yiv7306626140yui_3_16_0_1_1420497675105_7059" class="" style="">I think this will make a difference to the set up as video files are big....</div><div dir="ltr" id="yiv7306626140yui_3_16_0_1_1420497675105_7059" class="" style=""><br></div><div dir="ltr" id="yiv7306626140yui_3_16_0_1_1420497675105_7059" class="" style="">SD video is also fine, it doesn't have to be great quality - the project is about transmission so the processes through which this occurs (the qualities/ mutations of the signal, etc), are an important part of the configuration. </div><div dir="ltr" id="yiv7306626140yui_3_16_0_1_1420497675105_7059" class="" style=""><br></div><div dir="ltr" id="yiv7306626140yui_3_16_0_1_1420497675105_7059" class="" style="">When the image is clear, it is important that JPEGs, etc are not pixelated. </div><div dir="ltr" id="yiv7306626140yui_3_16_0_1_1420497675105_7059" class="" style=""><br></div><div dir="ltr" id="yiv7306626140yui_3_16_0_1_1420497675105_7059" class="" style="">Once I figure out what equipment is required, enquiries at the BB list would be great...</div><div dir="ltr" id="yiv7306626140yui_3_16_0_1_1420497675105_7059" class="" style=""><br></div><div dir="ltr" id="yiv7306626140yui_3_16_0_1_1420497675105_7059" class="" style="">thank you all so much</div><div dir="ltr" id="yiv7306626140yui_3_16_0_1_1420497675105_7059" class="" style=""><br></div><div dir="ltr" id="yiv7306626140yui_3_16_0_1_1420497675105_7059" class="" style="">debi</div><div dir="ltr" id="yiv7306626140yui_3_16_0_1_1420497675105_7059" class="" style=""><br></div><div></div><div id="yui_3_16_0_1_1420497675105_43283"> </div><div class="signature" id="yui_3_16_0_1_1420497675105_43265">www.debi-rah.net<br><font class="Apple-style-span" face="verdana, helvetica, sans-serif"><span class="Apple-style-span" style="border-collapse: collapse;"><br id="yui_3_13_0_7_1384454514031_28"></span></font><span class="Apple-style-span" style="border-collapse:collapse;font-family:verdana, helvetica, sans-serif;" id="yui_3_16_0_1_1420497675105_43598">Publishing - http://www.hammeronpress.net </span><span class="Apple-style-span" style="border-collapse:collapse;font-family:verdana, helvetica, sans-serif;"><br id="yui_3_13_0_7_1384454514031_36"></span><span class="Apple-style-span" style="border-collapse:collapse;font-family:verdana, helvetica, sans-serif;" id="yui_3_16_0_1_1420497675105_43599">Create-Ahh - http://create-ahh.org.uk</span><div id="yui_3_16_0_1_1420497675105_43602"><div id="yui_3_16_0_1_1420497675105_43601"><span class="Apple-style-span" style="border-collapse:collapse;font-family:verdana, helvetica, sans-serif;" id="yui_3_16_0_1_1420497675105_43600">Public History - http://feministarchivesouth.org.uk</span><span class="Apple-style-span" style="border-collapse:collapse;font-family:verdana, helvetica, sans-serif;"><br id="yui_3_13_0_7_1384454514031_44"></span><span class="Apple-style-span" style="border-collapse:collapse;font-family:verdana, helvetica, sans-serif;">Great Bear Analogue & Digital Media Tape Blog- </span></div><div id="yui_3_16_0_1_1420497675105_43605"><span class="Apple-style-span" style="border-collapse:collapse;font-family:verdana, helvetica, sans-serif;">http://www.thegreatbear.net/blog/<br></span><div id="yui_3_16_0_1_1420497675105_43604"><span class="Apple-style-span" style="border-collapse:collapse;font-family:verdana, helvetica, sans-serif;" id="yui_3_16_0_1_1420497675105_43603">https://twitter.com/deborahmwithers</span></div></div></div></div> <div class="qtdSeparateBR"><br><br></div><div class="yahoo_quoted" style="display: block;"> <div style="font-family: Helvetica Neue-Light, Helvetica Neue Light, Helvetica Neue, Helvetica, Arial, Lucida Grande, Sans-Serif; font-size: 13px;"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, Sans-Serif; font-size: 16px;"> <div dir="ltr"> <font size="2" face="Arial"> On Monday, 5 January 2015, 7:27, Emyr Morris <em@preseli.com> wrote:<br> </font> </div> <br><br> <div class="y_msg_container"><div id="yiv2960748052"><div><div dir="ltr"><div><div>I very doubt you will manage that with an Arduino... there is a shield that will overlay graphics (rudimentary) over composite video.<br clear="none"><br clear="none"></div>Composite video is pretty much a no-no these days, between their artefacts and very low res (575 lines ish)<br clear="none"><br clear="none"></div>If you are working to a low budget then your best place to start would probably be an existing computer (needs to be decent) and spend your bucks on a very good graphics card that has 8 outputs (or two graphics cards with four (quad) outputs)<br clear="none"><div><br clear="none"></div><div>This is how we put the score screens on podiums on TV quiz shows.<br clear="none"><br clear="none"></div><div>You would then write code in something like Visual Basic that would then populate the screens<br clear="none"><br clear="none"></div><div>I say 8 outputs as you will need one screen for control and then the other 4 display screens<br clear="none"><br clear="none"></div><div>The audio out would come via your sound card / amps / speakers etc<br clear="none"><br clear="none"></div><div>This way you will be able to use existing video libs to open your various AVI/MPEG files and send them to the correct destination.<br clear="none"><br clear="none"></div><div>This then goes back to your computer - to play four different videos at the same time will require some pretty good hardware, while your graphics cards will do most of the donkey work the computer will have to be fairly decent with plenty of RAM to be able to cope with the data throughput. So fast processors and fast RAM and plenty of it.<br clear="none"><br clear="none"></div><div>An ambitious project.<br clear="none"><br clear="none"></div><div>On the other hand, depending on the quality required, there is a lot of non HD equipment now coming on the market as old SD studios and OB trucks are closing down.<br clear="none"><br clear="none">There is a lot of kit that can do this sort of thing available on BB List. I have to do the school run now so I don't have time to search for a suitable piece of kit for you right now. <a rel="nofollow" shape="rect" target="_blank" class="removed-link" href="">http://www.bblist.co.uk/</a><br clear="none"><br clear="none"></div><div>I can make enquiries for you if you like.</div><div><br clear="none"></div><div>Emyr<br clear="none"><br clear="none"></div><div><br clear="none"><br clear="none"></div></div><div class="yiv2960748052gmail_extra"><br clear="none"><div class="yiv2960748052gmail_quote">On 1 January 2015 at 15:53, Debi Withers <span dir="ltr"><<a rel="nofollow" shape="rect" ymailto="mailto:debiwithers@yahoo.co.uk" target="_blank" class="removed-link" href="">debiwithers@yahoo.co.uk</a>></span> wrote:<br clear="none"><blockquote class="yiv2960748052gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"><div class="yiv2960748052yqt9419283252" id="yiv2960748052yqt00933"><div><div style="color:#000;background-color:#fff;font-family:Helvetica Neue-Light, Helvetica Neue Light, Helvetica Neue, Helvetica, Arial, Lucida Grande, Sans-Serif;font-size:13px;"><br clear="none"><div><div>Hello there, <br clear="none"></div></div><div><br clear="none"><br clear="none"></div><div style="display:block;"><div style="font-family:Helvetica Neue-Light, Helvetica Neue Light, Helvetica Neue, Helvetica, Arial, Lucida Grande, Sans-Serif;font-size:13px;"><div style="font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, Sans-Serif;font-size:16px;"><div><div dir="ltr"><br clear="none"></div><div dir="ltr">I am a new member to this list and am considering joining the Swansea Hackspace fir 6 months next year to realise a project. <br clear="none"></div><div dir="ltr"><br clear="none"></div><div dir="ltr">I am writing initially here to get some advice and some indication of how difficult it would be. <br clear="none"></div><div dir="ltr"><br clear="none"></div><div dir="ltr">So here is the project: <br clear="none"></div><div dir="ltr"><br clear="none"></div><div dir="ltr">I want to make a 'transmission machine' which can simultaneously play back up to 8 channels of digitised media - video, images and audio. <br clear="none"></div><div dir="ltr"><br clear="none"></div><div dir="ltr">Ideally the levels will be controlled by an external device, like a mixing desk/ interface, because it is important that people using the machine have the physical experience of controlling the levels - i.e., how loud the audio can played, the clarity of the image. The selections of the digitised files will be made via a laptop.<br clear="none"></div><div dir="ltr"><br clear="none"></div><div dir="ltr">Attached to the 8 outputs will be four screens and 1-4 speakers - although all the audio channels will probably be played through one speaker - so comparable to a live mix which plays back multiple audio channels. <br clear="none"></div><div dir="ltr"><br clear="none"></div><div dir="ltr">The one complicated thing perhaps is ideally to separate the audio and moving image of the video file so that the audio and image levels can be controlled separately, i.e., turn down the sound but still play the image; turn down the image, still hear the sound.<br clear="none"></div><div dir="ltr"><br clear="none"></div><div dir="ltr">I've asked a friend of mine who seems to think this would be possible through Arduino, but I wanted to check in with a local hackspace for advice to flesh out the idea. </div><div dir="ltr"><br clear="none"></div><div dir="ltr">I've attached a diagram if this helps to explain the idea better. <br clear="none"></div><div dir="ltr"><br clear="none"></div><div dir="ltr">I live in Drefach Felindre but could travel to Swansea to work on the circuit if people could help me. I don't quite have the technical expertise to manage it myself! <br clear="none"></div><div dir="ltr"><br clear="none"></div><div dir="ltr">I see there is a workshop on 8 Jan but sadly I cannot make this date...<br clear="none"></div><div dir="ltr"><br clear="none"></div><div dir="ltr">Many many thanks in advance for your help - <br clear="none"></div><div dir="ltr"><br clear="none"></div><div dir="ltr">debi<br clear="none"></div><br clear="none"></div> </div> </div> </div> </div></div></div><br clear="none">_______________________________________________<br clear="none">
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<br clear="none"></blockquote></div><br clear="none"><br clear="all"><br clear="none">-- <br clear="none"><div class="yiv2960748052gmail_signature">Mob: 07836 267426<br clear="none"><br clear="none">This e-mail and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed.<br clear="none"> <br clear="none">Mae'r e-bost hwn ac unrhyw ffeiliau a drosglwyddir gydag ef yn gyfrinachol ac at ddefnydd yr unigolyn neu'r corff y cyfeiriwyd hwy atynt yn unig.</div>
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