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Jacob Gustavsson

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  • Location
    Malmö, Sweden
  • About
    Hello! I am a bearded sound recordist, also interested in audio software development. If you are near Malmö, or anywhere else for that matter, don't hesitate to get in touch!
  • Interested in Sound for Picture

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  1. Looks neat! I like the quick table. Has it worked well in the field? Perhaps some sort of bracket or velcro could be used to secure it a bit, if needed? Did you make the base of the cart as well? Nicely done!
  2. The Sound Devices 552 has really great power efficiency! You could run it for days on an 68Wh NP1. And if you didn't have spares you could run easily on internal AA's. A bit limited track recording perhaps as it's just two channels, so if you need many channels it may not be the best choice. What are your channel needs on this documentary?
  3. Hey Javier, Is the noise still there when you power it without the talentcell?
  4. Yes, the impulse response is not purely a reverb, it also contains the tonal characteristics. Sort of like an EQ. For instance; if you record a sweep through a telephone line, you'll get the frequency response of that setup. Hope that helps!
  5. The recording of the sweep will have to be deconvolved in post, then it can be used as a reverb/filter in Altiverb, Reverberate or any other convolution reverb plugin. Here's some good info from AudioEase: https://www.audioease.com/altiverb/sampling.php
  6. Recording sine sweep impulse responses of the speaker is usually a good solution. Keep the microphones in the room at their normal positions as during the takes.
  7. They work quite well for my use, they're quite easy to swap. I'm powering two Sony DWX receivers for about 6 hours and I use a separate 3s battery for my F8 recorder. I normally turn off the receivers when there's longer setups between takes and at lunch and that usually gets me through a day on one IKEA pack. Yeah, that sounds like a good alternative. I like the USB functionality as a redundancy.
  8. Phase huggers Limiter breakers Insensitive gainers
  9. How does it perform without the amp and the variable resistor? Too weak signal? What are the impedances of your splitters?
  10. I'd say it's a work of art, John! Amazing work!
  11. Marenius C-148 is similar to the MM1 https://www.marenius.se/audiodesign/micampc148.htm
  12. I thought this was a very interesting new wireless audio system, so why not share it here? Seems inexpensive at $449. Digital, remote controlled, 2.4 GHz. Very tiny transmitters with built-in mic. https://www.picogear.com Here's a review with some pros and cons:
  13. Yes, the Imax B6 charges with the cup, but no balance charging. The battery has four pins which according to some teardown images seem to be plus, temperature resistance, ID resistance and minus, so no access to the individual cells. I suspect the batteries have some sort of BMS, but not sure what kind. I tested charging 500 mA with my Imax at constant two amps for fifteen minutes and the charging voltage varied about one volt above the battery charge.
  14. Ikea made a bluetooth speaker for which you can buy a 14.4V, 37Wh battery, costing about $20. I made a 3d-printed holder for it so it can be used to power a sound bag and other equipment. These packs can be charged in the speaker (the smaller model) itself or with smart chargers like the Imax B6. I've mentioned these batteries in Allen Rowand's DIY BDS topic, and being inspired by his contributions to the location sound DIY community I wanted to add to it as well. Speaker https://m2.ikea.com/us/en/p/eneby-bluetooth-speaker-white-40401393/ Battery https://m2.ikea.com/us/en/p/eneby-battery-pack-20414264/ Thingiverse link https://www.thingiverse.com/thing:3681131
  15. Using the speaker to charge it seems like a good start, but then it would be fun to try and create a separate charger, maybe even a dual bank charger. Nice, also very good value for the Talentcell. Inspired Energy is pretty neat with monitoring battery usage and approximate remaining time, it's a good upgrade but costs a bit more of course.
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