Dennis Kersten Posted April 10, 2012 Report Share Posted April 10, 2012 I'm very interested in this microphone, can anybody share some experiences? Maybe on other hydrophones? Also interested in opinions about stereo vs. mono hydrophone recordings. http://www.aquarianaudio.com/ For an upcoming documentary I'm going to do some experiments with underwater recordings and create a nice library for post. Quote Link to comment Share on other sites More sharing options...
studiomprd Posted April 10, 2012 Report Share Posted April 10, 2012 While I cannot say anything specific about the H2a-XLR, It appears to be a lower cost unit to the ones I have used in the past. generally speaking the recording from hydra-ohines aren't really what post wants; as with a lot of SFX, they prefer to craft their own version of what they think it ought to sound like. The main uses of these is for research, industry, medical and military,or for auditory enhancement effect. The cost of these units is reasonable enough to give them a try; as for stereo, sound travels differently underwater, but even at the cost of two, it certainly is worth trying out, and then you can let us all know about it! Quote Link to comment Share on other sites More sharing options...
Peter Kurland Posted April 10, 2012 Report Share Posted April 10, 2012 Although I have not used this particular hydrophone, it looks like a good item. Due to the peculiar audio characteristics of water, I'm not sure if the sound quality is easily discernible for comparison. However, I have used similar devices with good results. I also used a Countryman EMW for a scene in a movie with screaming underwater and I was quite happy with it. Sound travels very fast underwater so the normal stereo phase issues and timing would be totally different. I'm not sure a 'stereo' underwater recording would be perceived in the same way. Quote Link to comment Share on other sites More sharing options...
BrianB Posted April 11, 2012 Report Share Posted April 11, 2012 You get what you pay for. Have a look at RESON Hydrophones: http://www.reson.com/products/hydrophones/ Quote Link to comment Share on other sites More sharing options...
fatfatjames Posted April 11, 2012 Report Share Posted April 11, 2012 Heard it live and it sound good!! Quote Link to comment Share on other sites More sharing options...
ramallo Posted April 11, 2012 Report Share Posted April 11, 2012 The Aquarium are nice and cheap, but is extremely sensitive to cable handling. I used a H2a-XLR on this documentary Quote Link to comment Share on other sites More sharing options...
Dennis Kersten Posted April 12, 2012 Author Report Share Posted April 12, 2012 Thanks, will check the shortfilm tonight! Quote Link to comment Share on other sites More sharing options...
VASI Posted April 12, 2012 Report Share Posted April 12, 2012 The Aquarium are nice and cheap, but is extremely sensitive to cable handling. I used a H2a-XLR on this documentary https://vimeo.com/34797543 Well done ramallo. Quote Link to comment Share on other sites More sharing options...
ramallo Posted April 12, 2012 Report Share Posted April 12, 2012 Well done ramallo. Thanks Vasileos Quote Link to comment Share on other sites More sharing options...
VASI Posted April 12, 2012 Report Share Posted April 12, 2012 Thanks Vasileos Ramallo what sampling rate record are you used? Quote Link to comment Share on other sites More sharing options...
ramallo Posted April 12, 2012 Report Share Posted April 12, 2012 Ramallo what sampling rate record are you used? 48kHz Originally was mixed in 5.1 (R128), this is an automatic stereo down mix in Nuendo (Big part of the takes was done with a Soundfield mic) Quote Link to comment Share on other sites More sharing options...
VASI Posted April 12, 2012 Report Share Posted April 12, 2012 48kHz Originally was mixed in 5.1 (R128), this is an automatic stereo down mix in Nuendo (Big part of the takes was done with a Soundfield mic) Ok. Thank you! Quote Link to comment Share on other sites More sharing options...
Jack Norflus Posted April 12, 2012 Report Share Posted April 12, 2012 Originally was mixed in 5.1 (R128), this is an automatic stereo down mix in Nuendo (Big part of the takes was done with a Soundfield mic) Nice job - so did you used the Soundfield for all water stuff? Quote Link to comment Share on other sites More sharing options...
ramallo Posted April 12, 2012 Report Share Posted April 12, 2012 Nice job - so did you used the Soundfield for all water stuff? Thanks! Usually, the main microphone was a Soundfield SPS200, the microphone was place above us (unattended), on the top rocks (No more than 10m), for get the detail, I was with a NTG3 3m above the fishermen (hung on the cliffs), I was as close as I could without wetting the microphone and the recorder, (both microphones was time-aligned on the edition). But, the main part of the final sound is the Soundfield. The first day I tried with a radio mic on the arm of the fisher, the capsule wrapped on a condom and the radio on two watertight bags, unfortunately the radio was loosed and sank in the first minutes. :'( Quote Link to comment Share on other sites More sharing options...
Jack Norflus Posted April 13, 2012 Report Share Posted April 13, 2012 So since the soundfield was high above you did you run into its own recorder or did you cable it into the same recorder as the NTG3 and the H2a? Quote Link to comment Share on other sites More sharing options...
ramallo Posted April 13, 2012 Report Share Posted April 13, 2012 So since the soundfield was high above you did you run into its own recorder or did you cable it into the same recorder as the NTG3 and the H2a? The Soundfield had his own recorder (SD 788) and the NTG 3/H2a too had his recorder (SD 702). I had some problems with the 702 and the humidity, but the conditions was very extreme for any device. Now I'm working in the design of a new production in Afghanistan and I'll use too more than one recorder, maybe a Nomad as main, and several ZFR in the troops (for avoid the radio interferences) Quote Link to comment Share on other sites More sharing options...
jonathan chiles Posted April 13, 2012 Report Share Posted April 13, 2012 Check out this link, Chris Watson shows setting up and recording 2 hydrophones on the beach.. geophones then strictly.. but I imagine a bit of stereo could be quite nice. http://www.chriswatson.net/downloads.html I have an H2A but havnt tested it out yet. DPA make hydrophones if you want the best. Quote Link to comment Share on other sites More sharing options...
Dennis Kersten Posted April 13, 2012 Author Report Share Posted April 13, 2012 cool thanks for the link, is dpa still making hydrophones I thought they where discontinued? Quote Link to comment Share on other sites More sharing options...
jonathan chiles Posted April 13, 2012 Report Share Posted April 13, 2012 Maybe they were discontinued, dont seem to be on their site but there is this article.. hmmm http://www.dpamicrophones.com/en/news/archive/press%20releases/hydrophone.aspx Quote Link to comment Share on other sites More sharing options...
ramallo Posted April 13, 2012 Report Share Posted April 13, 2012 The big problem of a stereo on the water is the velocity of sound is 4 times faster, this circumstance requires a big baffles between the transductors for a good stereo separation. As well the sound of the things on the water don't sound like appear Quote Link to comment Share on other sites More sharing options...
Dennis Kersten Posted April 14, 2012 Author Report Share Posted April 14, 2012 Maybe they were discontinued, dont seem to be on their site but there is this article.. hmmm http://www.dpamicrophones.com/en/news/archive/press%20releases/hydrophone.aspx It also says on their site, line 4 in the link you attached; "Please note: this article is about a discontinued product" Quote Link to comment Share on other sites More sharing options...
studiomprd Posted April 20, 2012 Report Share Posted April 20, 2012 Ambient had their excellent (and costly) hydrophone line on display (a working demo!) at NAB... Quote Link to comment Share on other sites More sharing options...
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