In 1993, Dugan celebrated the expiration of his Speech System patent. Since Dugan had patented the best way to do it, few of them worked very well, and automatic mixers in general got a mixed reputation. In the meantime, ten other manufacturers created automatic mixers. Dugan had dreams of seeing his excellent function in action anywhere that multiple mikes were used, but his deal with Altec prevented him from marketing new products. The final version, the 1684A, when it was properly calibrated, did Dugan's function almost well enough to merit his approval.Īll of the Altec mixers were designed for one type of application, "installed sound." This means equipment that sits unattended in the church or courtroom closet. Altec produced the embarrassingly poor 1628, then the improved 1674, followed by the incrementally improved models 1674B and C. After building 60 units, he licensed his patents to the Altec Lansing Corporation.
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Automatic mixers may incorporate these functions, but the term automatic mixing per se means controlling multiple mikes so that the system gain goes where it's needed.Īs the result of six years of work, Dan Dugan found an elegant solution to all these problems, a patented process he called the Dugan Speech System.™ Dugan began manufacturing his Dugan System Model A mixer in 1971. It's important to understand that automatic mixing is not limiting, not compressing, and not automatic gain control (AGC). A good automatic mixer should be able to make rapid and dramatic changes in the gains of the input channels while maintaining the sonic illusion that nothing is happening at all. This is especially critical in recording and broadcasting. So an automatic mixer must also keep track of the gain of the whole system to prevent feedback or excessive noise pickup.Ī final problem that automatic mixers should solve is maintaining a natural ambience from the room. If one mike is on at maximum gain, opening up another one will make the system feed back. An automatic mixer can adapt to changing conditions, whereas a gate can't.Īnother problem that automatic mixers must solve is the additive effect of multiple mikes being on at the same time. This is because sometimes, when the room is noisy, the noise level at the microphone is higher than the voice level will be at another time when the room is quiet. People have tried to do automatic mixing with gates, but experience has shown that in most live situations it isn't possible to find a gate threshold that will work without obvious chopping. This is a real-time voice-activated process, completely different from studio automation that only plays back pre-recorded moves.
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#MICROPHONE SOUND MIXER SOFTWARE MANUALS#
Unbalanced Analog - Brochure - Manual - Manual-Japanīalanced Analog - Brochure - Manual - Manual-Japanįor Yamaha Digital Mixers - Brochure - Manualįor Avid SC48, Mix Rack, FOH Rack - Brochure - Manualįor Waves MultiRack - Brochure - Manual See below for product descriptions including discontinued modelsĪll Product Manuals What is an automatic microphone mixer?Īn automatic mixer controls a group of live microphones, turning up mikes where someone is talking, and turning down mikes that aren't being used. If you decide to use this mixer on your website for personal or commercial reasons, please consider making a donation on the following link to The Samaritans.The World's Finest Automatic Microphone Mixers You can host your mp3 tracks on a different service (eg Google cloud or Amazon s3), but if you do you will need to enable CORS for the mixer to be able to use them. For the easiest set up you should host these mp3 files on the same domain as the mixer (if the mixer is on, your mp3 tracks should also be hosted on ). Use your own audio tracks in the mixer, by adding your own mp3 tracks in the 'url' part of the config, object. It's simple to integrate into any website, only very basic HTML knowledge required (it's mainly copy and paste). Play, edit, record and save your mixes, all within the browser.
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Use this mixer on your website, click here to get started. An audio mixer component for Vue.js from.