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Posts Tagged ‘Audio Technica BP4025’

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This spring I got several young rats in my garage. They have probably stayed there some weeks eating the bred I used to feed the bird with last winter. Now when it was finished it was time to clean the garage of all mammals.
I owned a very nice mouse trap, a trap that would not kill the mouse. It was perfect for that job because the rats I had already seen had the size of a mouse.
It took just 15 minutes to hunt the first rat witch I put in a hamster cage.
It took eight hours for the second rat to reach the trap. During that time I recorded the whole progress in the garage on four channels. Two channels over the cage with the first rat and other two channels near the trap.
The following recording includes the moment when the rat got stuck in the trap and what happened when it realize the situation. Later on the rat in the cage starts to activate but during the night it was busy trying to find freedom.
Note: Do not play this loudly in the beginning. The trap is very loud when it pop the lock.

Rottugildra

Hér er á ferðinni upptaka af því þegar rotta er fönguð í búr, eins sem sést á myndini hér fyrir ofan.
Það var þegar búið að fanga eina og var sú höfð í hamstarbúri.
Tekið er upp á fjórar ráisr þar sem tvær rásir eru á gildruni og tvær yfir búrinu.
Athugið að spila upptökuna ekki á háum styrk fyrr en gildran er búinn að fanga rottuna því smellurinn er nokkuð hávær.

Download mp3 file (192kbps / 32,1Mb)

Recorder. Sound devices 744 + 302
Mics. Audio Technica BP4025 + Sennheiser ME66
Pix. Canon EosM

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80

Some weeks ago I found a photo gallery on the web. All those photos were taken by a Dutch photographer Willem van de Pool when he visited Iceland in the summer 1934. It was the year when my parents were born so it gave me a connection back to last century.
The quality of those photos is stunning. It looks like they have been taken yesterday. Most of the places are easily identified even though the surroundings have changed a lot.   Willem captured five pictures at Laugarvatn, a place about 75 km east of Reykjavik. At this time my grand grandfather was a landowner at Laugarvatn farm and a district administrative officer.
Following picture above shows some people relaxing in hot sand. This shore is just below a big hot spring named “Stóri hver” (not shown on the picture). Today this place between Stóri hver and the lake is so hot that the sand is used every day to bake a bread.
The following one piece recording was made 25th of July 2012, with BP4025 on a boom pole, moved close to the boiling surface between Stóri hver to Laugarvatn Lake. It starts at Stóri hver, then scanning the boiling sand and then to the lake surface.

Stóri hver við Laugarvatn 2012

Hér er á ferðinni upptaka sem tekin var upp við Stóra hver sunnan við „2007“ baðhúsið.  Notast var við BP4025 stereo hljóðnema á bómu og hann færður hægt og sígandi um svæðið milli Stórahvers fram yfir vatnsyfirborð Laugarvatns.

  Download mp3 file  (192kbps / 30Mb)

Recorder: Sound Devices 744
Mic: Audio Technica BP4025
Pics. Sony DCS-P120 See more pictures. (See Willem van de Pool photos (gallery 1 & gallery 2)

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Three stereo microphones noise and sensitivity comparison.
Shure VP88 – Rode NT4 – Audio Technica BP4025

This recordings include a spoken word from pocket radio at very low volume and ticking alarm clock in 1,6m distance. The volume settings on the radio was so low, the sound was hardly audible with bare ears. Noise from radiator pipeline is audible in the background. Miscellaneous bird life is outside and should be also clearly audible.
Keep in mind. This test is only noise and sensitivity comparison. High sensitivity and low noise is VERY important for nature recordings. This comparison does not give any information how this microphones sounds for music recording or how they withstand high pressure sound level.
See spectrogram and pictures
Quality headphones recommended while listen.

Shure VP88, Rode NT4 and Audio Technica BP4025 direct from recorder. All at same gain level at 55dB.

All three recordings are now independently level normalized up to 0dB.

Links to the products:
Shure VP88
Rode NT4
Audio Technica BP4025

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This is another ambience recording from the island Flatey in Breiðafjörður, a straight continue of part one.
Women, children as well as the elderly all gather for a boat is docking. Two men, with the day’s catch, step ashore.
When the catch has been divided, the whole throng returns to the village in a cacophony of conversations and drift homewards.
Somewhat nearer, in front of the microphone are a few Red-necked Phalaropes as well as Mallard ducks with ducklings. Other distinguishing birds like the loud Arctic tern and Whimbrel, as well as many other species of bird, can be heard.

Flatey í Breiðafirði 2012. Annar hluti.

Þetta er beint framhald af fyrsta hluta.
Nú safnast allir saman, konur, börn jafnt sem gamalmenni því bátur kemur að landi. Tveir menn með afla dagsins ganga á land. Þegar honum hefur verið skipt,  kemur allur manskapurinn aftur inn í þorp með miklu skvaldri þar sem hver fer til síns heima.
Nokkuð nærri, framan við hljóðnemana voru fjörugir Óðinshanar og stokendur með unga. Aðrir háværar tegundir eru háværar s.s. kría og spói auk margra annarra fuglategunda.

 Download mp3 file (192kbps / 34,6Mb)

Recorder: Sound devices 744T
Mic: Audio Technica BP4025
Pics: Canon 30D (See more pictures)

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Flatey is the biggest island in Breiðafjörður bay in the west of Iceland, but nevertheless a small island. It is a wonderful place. Rich, widely spiced bird life and no car traffic. Most houses are old and most of them are nicely rebuilt. No one lives there all year around but in spring, summer and autumn lot of people stays there. Sometimes the place is overcrowded with tourists but there is both a campsite and a hotel.
I spent few hours in Flatey in June 2012 with my family. We just walked around in this relaxing surroundings. The east part of the island was closed because of bird’s hatch and eyas. But the life in the “village” was also interesting.
Strong gust from vest made recording difficult but I found a quiet place beside a wall not far away from the “main street”. In front of me was a small marsh and it was overcrowded with all kinds of birds; snipe, gull, golden plover, white wagtail, oystercatcher, arctic tern, ducks and so on, but closest to the microphone is a red necked phalarope. In distance Kittiwake and other birds are audible.
I was very lucky this time, there were few tourists on the island so the recording contains relaxing conversations between neighbors in this wonderful ambience. In the beginning a child is drumming a box, but it last only for 5 minutes. After that it is possible to listen what people and birds have to say.

Flatey í Breiðafirði 2012. Fyrri partur

Í lok júní fórum við fjölskyldan í dagsferð út í Flatey. Auðvitað lét ég upptökutækin ganga á nokkrum stöðum þótt vindur væri nokkur úr vestri. Ekki bar mikið á fólki eða vélum. Andrúmsloftið var því mjög afslappað.
Inni í miðju þorpi er mýri sem iðaði af fuglalífi. Ég kom því hljóðnemanum í skjól við húsvegg og hljóðritaði stemmninguna í u.þ.b. klukkustund.

Download mp3 file (192kbps / 37,2Mb)

Recorder: Sound devices 744T
Mic: Audio Technica BP4025
Pics: Canon 30D (See more pictures)

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Arnarstapi

In middle of July my family went in a five days trip around Snæfellsnes peninsula. Of course my recorder follow me as a puppy and I recorded as much as I could days and nights. One of this recordings I made was above a cliff score near Arnarstapi.
The weather was very nice, sunny but a breeze from north-vest so it was calm in the cliffs south of Arnarstapi.
I expanded my boom over the cliff brink and located the microphone in a calm place.
And…. WOW! I got really beautiful ambiance. About 15-20 meters below, the sea wave smoothly stroke the cliffs. Whine black legged Kittiwake flew all around and the cliffs were full of the their tweedy baby’s.
During one hour recording I was totally raped on the cliff edge in this beautiful ambiance.
Close by in next score,  fishermens were working at the dock and some tourist walked by behind me.

Rita við Arnarstapa

Um miðjan júlí 2012 fór fjölskyldan í fimm daga ferðalag umhverfis Snæfellsnes. Eins og venja var fylgdi upptökutækið með við hvert fótmál.
Skemmtilegasta hljóðritið sem ég náði í þessari ferð var við Arnarstapa. Ekki að furða því þar er af nægu að taka. Hefði ég getað verið þar við hljóðritanir í marga daga.
Sunnan við löndunarbryggjuna er lítil klettaskora sem gefur skemmtilegan endurhljóm. Teygði ég þar hljóðnemann fram yfir klettabrúnina. Opnaðist þá afar skemmtilegur hljóðheimur sem varð til þess að ég steingleymdi mér í um klukkutíma án þess að hreyfa legg eða lið.
Allt um kring flaug rita vælandi í dagsins önn og á klettasillum mátti sjá og heyra að mikið var af ungum. Fyrir neðan hjalaði svo aldan blíðlega við klettana.
Í bakgrunni má hyra í erlendum ferðamönnum staldra við, spjalla og taka myndir. Þá heyrist einnig umgangur frá bryggjunni þar sem verið var að landa afla og eitthvað í þotuumferð.

Download mp3 file (192kbps / 45Mb)

Recorder: Sound devices 744
Mic: Audio Technica  BP4025
Pix: Canon 30D

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