Home Forums Breakaway Professional Products – [discontinued] Emulating Dorrough DAP 310 Multiband Audio Processor

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  • #1348
    patlaw
    Member

    The Dorrough DAP 310 Multiband Audio Processor is one of the best hardware processors I ever used in the radio business. Now that I am involved in Internet broadcasting, I’d like to find a way to have similar processing. It seems that Breakaway Live may be a good solution. The one issue I had was whether BL has a downward expander, and I see that it does. Gating is essential for a main bus processor.

    What preset is most likely to emulate the DAP? What is the expected latency with BL? Since we broadcast with video, the audio latency must be very low or the audio and video will be out of sync.

    EDIT: After playing with Live for a while, I have some questions. Is there a way to equalize the levels when the Bypass Processing button is pressed and when it’s not? The level difference is dramatic. I’m trying all of the presets with music. One thing I’ve noticed is that the bass notes at 2:28 on "Good Vibrations" by The Beach Boys are distorted. The CD is clean. I’ve played with all of the settings, but I don’t know what I’m missing. The settings (Range, Power, etc.) are all set at defaults.

    #13337
    kes11
    Member
    quote :

    The Dorrough DAP 310 Multiband Audio Processor is one of the best hardware processors I ever used in the radio business. Now that I am involved in Internet broadcasting, I’d like to find a way to have similar processing.

    I’ve never heard of those so I can’t comment on it.

    quote :

    quote :

    After playing with Live for a while, I have some questions. Is there a way to equalize the levels when the Bypass Processing button is pressed and when it’s not? The level difference is dramatic.

    When you bypass processing then you are doing exactly that so as far as I know there is no way to equalize levels when in bypass mode.

    quote :

    One thing I’ve noticed is that the bass notes at 2:28 on “Good Vibrations” by The Beach Boys are distorted. The CD is clean. I’ve played with all of the settings, but I don’t know what I’m missing. The settings (Range, Power, etc.) are all set at defaults.

    Back off the bass SHAPE about to -10 to -15 (more if you want a lower end thump) and cut your bass down until you get the amount of bass you are looking for. One thing I would suggest is playing around with the settings some. I have no luck on any "default" setting except the news/talk preset I flip on sometimes when I’m listening to talk programming through my computer. For music, any of the presets will get you very good results….you just gotta decide what sound you want and go from there. For example, I’ve owned BAL now for well over a year and everyone raved about the setting -Plutonium – but I just never had any luck with it. But after getting a new set of speakers (studio monitors is actually what BSW calls them 😉 ) for my home system…now I LOVE IT! I made some adjustments to Plutonium to get the sound I like but it truly does give fantastic results when used with good high quality speakers. So play, play, play then let your ears decide! 😀 Once you get a sound you like, listen and listen again over the course of several days before making more changes. Another thing some people do is adjust processing every time they "think" they hear something that sounds wrong. I can tell you as one who used to be like that, NO processor (hardware or software) will ever suit you if you do that type of adjusting on a processor. Tweak it, get a sound that pleases your ears, listen and listen some more before changing it because, in my case at least, 9 times out of 10, it’s either what I call "ear trickery" OR something OTHER than the processing that’s gone astray!

    #13338
    RodeoJack
    Member

    I would agree that, in its time, the Dorrough was a pretty good box. However, it used simple techniques to overcome limitations that have been successfully improved upon by other processors.

    The 310 used VERY gentle filter slopes. It didn’t take a lot of difference for the audio that should have been dealt with by one band to affect one of the others. Also, the clipper was a pretty nasty brick wall diode arrangement. There were none of the distortion cancelling and psychoacoustic treatments that are now common in modern processors.

    If you really want the ‘sound’ of a DAP, my suggestion would be that you keep an eye on Ebay. Those boxes show up there from time to time. In comparison however, I think you’d find other processors, the ones here especially, to be far superior.

    The original Audimax / Volumax combination was also state-of-the-art in its time, but you won’t find anyone using them in a competitive environment these days.

    #13339
    JesseG
    Member

    even compared to the 8100/XT, the new processors sound like there’s been a dozen or so blankets removed from the speakers

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