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glenn

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Everything posted by glenn

  1. glenn

    Zaxcom and DPA6060

    I just ran tests here at the factory with the DPA6060 connected to a ZMT3.5. This powers the microphone at 3.3 volts. As a performance reference I had the pickup taped to a 4063. What I found is the 6060 blew the doors off the 4063. The 6060 has 8 dB better sensitivity and a super low noise floor. So reducing the gain of the transmitter yielded a lower noise floor by 8 dB over the DPA4063. Because I do not have a quiet room here at Zaxcom the actual noise floor I could measure was lower by about 5 dB as i was bumping into the ambient sound in our factory.. In short, this is a great mic to use with Zaxcom transmitters. It operates perfectly at 3.3V and I highly recommend it. Glenn
  2. glenn

    Zaxcom and DPA6060

    Agreed. The 6060 is the closest I have heard to a large diagram microphone. Glenn
  3. glenn

    Deva 24

    Yes it does have neverclip on mic/line inputs 1 to 12. Line inputs 13 to 16 are without neverclip.
  4. glenn

    Deva 24

    I think the trim may come up as active when you enter the input page. Glenn
  5. glenn

    Deva 24

    The Deva24 does not have that virtual input trim function like Nomad. You can press the input button to get to the control quickly. I think the pfl key might select the channel on the Deva24 fader when in the input menu. Glenn
  6. glenn

    Deva 24

    Hi Tony, Any Deva 24 knob can be set to be a fader, input trim (analog or aes) as well as a zaxnet control. Glenn
  7. glenn

    DPA 6060 works great with Zaxcom and sound wonderful.

    I was told directly by DPA engineers that the only effect would be a small decrease in dynamic range of about 4 db overall. this makes sense as the difference between 3.3V and 5V bias is 3.6dB. There should be no noticeable change to sensitivity or noise floor. This mic has a max SPL of 134 dB. Changing this to 130dB with a 3.3V bias will not be significant. This is why Martins test went so well. I will check back with DPA today to confirm. Glenn
  8. glenn

    Deva 24

    Yes the Deva24 has full control of Zaxcom wireless with the internal IFB transmitter. This of course includes Audition and Re-Record. This is integrated into the MIX16 and Oasis with the Audition and re-record buttons on the mixing surface. The Deva24 is fully integrated into the wireless microphone recording system and the Zaxcom IFB system with time code distribution via Zaxnet. Glenn
  9. glenn

    Deva 24

    The Deva24 came out of what I would consider "Beta" almost 1 year ago. We do continue to add features that are non core functions like the internal Zaxnet functionality. Just like the recently added Audition and re-record on Nomad, we continue to upgrade products with features that enhance the value and functionality of the product. The basic functionality with solid reliability has been there for a long time now. Glenn
  10. glenn

    Zaxcom ZMT3 Hiss

    The TRX743 has a 6dB better noise floor than ZMT. If lowest noise is the deciding factor TRX743 is the best choice as it also has never clip eliminating limiter distortion. ZMT phantom 2 has many advantages but smallest size and lowest power consumption limit other specifications a bit.
  11. glenn

    Zaxcom ZMT3 Hiss

    What you are hearing is the noise floor of the system. Companded FM wireless like Lectro hides the noise floor with the compander and then further reduces it with noise reduction software. The result of Zaxcom is a lower distortion transmission with a more open sound. The transmitter has a downward expander that can be activated if you want to lower the noise floor but very few find it necessary. The TRX743 noise floor would be lower by 6 dB and still provide all the other benefits of the Zaxcom system. I would also recommend the ZMT Phantom II. Using a separate 48V supply does not yield the best results as the ZMT3 can not shut down its LAV power supply and is a unbalanced input by design. The ZMT phantom II is a true balanced input and also works with LAVs Glenn
  12. glenn

    Dynamic mic for under water use with Zaxcom ZFR400

    You can use a dynamic mic with the ZFR400. It would be best to wire in a series capacitor with the mic to block the DC bias. About 2.2uF would be fine. Glenn
  13. glenn

    Zaxcom Nomad timecode delay

    The nomad time code display is not a piece of test equipment and can not show you what you are looking for. Nomad TC inputs and outputs are subframe accurate. The display when running is not.
  14. glenn

    Lectrosonics vs Audio Limited

    We would be happy to get you a Demo. With our modulations you will have no issues with Chain link fences or any other metal that reflects the signal. Glenn
  15. glenn

    Comparison of different transmitters

    "You are absolutely right. Whatever can be heard in differences here, would be far more pronounced in real life, so to speak. The thing is, when it comes to data compression rates, we have no tools at our disposal, the manufacturer gets to decide that." We have 5 modulations with 3 different data rates. So in our case the end user does have some control. I would be curious what modulation was used in our test. "Mono" is our highest data rate with the least data compression. Whatever was used in the test I thought the results were very good. Thanks for running the tests. Glenn
  16. glenn

    Comparison of different transmitters

    You should include the TRX742.6. It has neverclip and our best A-D in a transmitter. Glenn
  17. glenn

    Audio Limited A10 for talent.

    "Based on the comment above from Glenn from Zaxcom, I believe Audio Limited (and Sound Devices) have very different philosophies when it comes to audio performance." We have only one "philosophy" when it comes to our products. Make it insanely great. Invent, innovate and give the customer an experience they can not get from any other piece of gear. Zaxcom wireless is in no way "Limited" to speech or performance from an actor. 1000s of sound effects, and musical recordings have been made with outstanding results. Doing this without transmitting the wasted content above 16KHz that limits transmission distance and RF performance is a major advantage of the Zaxcom system. Our customers demand the security of recording wireless that will not break up when transmission is difficult due to reflections or interference. Zaxcom has this covered like no other. More important than a systems audio cut off frequency, Zaxcoms Neverclip with its elimination of limiter distortion is an important factor in providing the best audio quality from a wireless microphone. As you point out Jon "Remember that the microphone preamplifier and A/D converter at the wireless transmitter may well be the only preamplifier and A/D in the entire audio chain." If the transmitter limiter is in play the audio is distorted throughout the chain. Zaxcom wireless with NeverClip eliminates this problem and provides real fidelity that matters. Glenn
  18. glenn

    Audio Limited A10 for talent.

    Not picky at all and a great thing to point out. Limiting the frequency response of the Zaxcom wireless to 16KHz was a conscious decision we made along time ago and one of the best ones we made when defining our system. With the limited RF bandwidth available for a wireless mic channel (200KHz at the time) there were many decisions to be made in order to provide the best transmission possible. Transmission reliability, modulation type, audio quality, RF bandwidth, audio bandwidth, sample rate and other factors must be carefully balanced for the best results. In the world of production sound there is no content generated by any actor above 16KHz. To not waste bandwidth transmitting content that does not exist was and is still today a no brainer. The benefits are enhanced transmission reliability (better range/fewer dropouts) and higher audio quality for the content below 16KHz. We have never had any user question the 16KHz limitation in the 16 years the system has been available. I would not change a thing. In the FM analog wireless domain all transmission systems compress and expand the audio. This results in lost audio fidelity. In the digital domain we have much better control to make it as close to a hard wire as we can get.
  19. glenn

    Audio Limited A10 for talent.

    " (although not quite as good as my old analog 2040 system, but then that’s digital for you)" Range on a digital wireless can be better or worse than that of analog wireless. It depends on the system. At Zaxcom we have done a lot of work to make sure that the transmission is as bullet proof as it can be. RF Reflections often cause the majority of dropouts and can cause the transmission to be very "fragile" in many circumstances. This is why we have different modulations to fit each environment with the best range and drop out protection. "Insanely good" audio quality is not uncommon to digital wireless. You have to work really hard to make digital wireless sound bad. The most important thing at this point is the limiter distortion of the transmitter. This is something we at Zaxcom have eliminated with Neverclip and this is a dominant factor when discussing wireless audio quality. Other things to look at is remote control range of the transmitter, the ability for the transmitter to play back audio from the pack in order to re-record in real time at the sound cart or sound bag, integration of remote control that works over 100s of feet, bodypack size, weight, heat output and no need to time code jam a pack from a cable are all factors that should be looked at in a purchase decision.
  20. glenn

    Zaxcom Nomad 8.01 with Transmitter playback record

    The files can be replayed while the transmitters are still on the talent. Just cue the Nomad to any location and either Audition or Re-record the audio from any number of transmitters.
  21. glenn

    Zaxcom Nomad 8.01 with Transmitter playback record

    The offset is in the note on the new file. In this way there can never be overlapping timecode. This system has worked great for many years
  22. glenn

    New wireless TX deviation rules October '18

    We have had people asking us about their Zaxcom gear after reading this thread. Here is some more information. All current and future Zaxcom products are compatible with each other. Any purchase of new gear will work with the current gear in the field as long as the receiver is newer than the QRX200. This includes QRX200, QRX235, RX200 and RX12 with QRX212 receivers. Zaxcom ZHD96 and ZHD48 modulations exceed the new requirements from the FCC. Zaxcom wireless audio quality is not effected by the changes in the rules due to the nature of digital wireless transmission and the ZHD system we put in place a few years ago. Zaxcom TRX3.6 and ZMT3.6 transmitters can be changed to 3.5 versions without limitation as these versions all exceed the new FCC requirements. Glenn
  23. We have received questions from sound mixers regarding whether or not infringement of our "Recording Transmitter" patents can be avoided by not recording while set to standardized LAV bias voltages or not wearing a recording transmitter and/or not using the transmitter with a lavalier microphone. After conferring with our intellectual property counsel, the answer is no. Our counsel informs us that none of our patent claims specifically require a “lavalier microphone" or "unbalanced input” and/or that the transmitter be “worn.” Although some of the patent claims require the transmitter to have an “audio input device” or to be “wearable,” other patent claims have no such requirements. The invention of the recording transmitter and the process of replacing dropouts with time code referenced files recorded in the transmitter is clearly a desirable and unique feature. Zaxcom innovates at great cost and has advanced the state of the art. We take great pride in these inventions and what they can do for our customers every day. The patent system protects our intellectual property and allows us to profit and recover our technological investment in creating the inventions on which we have spent substantial time in order to bring them to our customer base. We thank all customers who respect our right to earn an income from our inventions and protect our intellectual property from any company that seeks to exploit our technology without permission or compensation. Should anyone have further questions, please feel free to contact us for clarification.
  24. glenn

    Zaxnet 2.0

    Nomad wireless playback and rerecord is not out yet but we expect it in the next week.
  25. glenn

    Zaxcom Nomad 7.99A beta test

    We have included the fix for FP8 playback PFL function.
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