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Posts Tagged ‘Rode NT1’

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It is not everyone who knows that when recording the finest detail in natural silence a large-diaphragm condenser microphone can be much better choice than a small-diaphragm condenser microphones.
But there are just few microphones which can fit into this category because they must have the lowest noise possible on the microphone market. Of course it is possible to use a noise reduction software but that will never give as good of a result as recording with the best separation between signal to noise ratio. Many microphones have very low noise, but are not sensitive for the finest details, so low noise number in manufacturer specification is not telling you everything.
So what microphones are the best to record fly’s footsteps?
For a many years Rode NT1a has been the best microphone in this category. But now we have at last two other microphones to choose. They are Lewitt LCT540s  and Rode NT1. All these three microphones are almost equal when it comes into self noise, but they are slightly different by characteristics. Rode NT1a is extremely well focused on midrange <8Khz so for most natural sounds they can give a stunning result. But for whole natural soundscape they sound rather flat and without depth, I guess mainly because NT1a has a poor low frequency response. It is also very sensitive for handling noise so using NT1a outdoor in a windshield is very difficult.
Rode NT1 is an improved version of NT1a. Anyway it is not as well focused on the mid range, but instead it sounds slightly more natural with better low frequency response and has also less handling noise.
I recently discovered Lewitt LCT540s which sounds overall fantastic. Different from NT1 and NT1a which is mainly good for voices and spoken words, the LCT540s sounds very natural for everything, as for quiet open natural spaces and for music. It is even possible to hear the depth of the field in all sound pressure levels which is not usual with many other microphones.
I think many are curious how this large capsule withstand humidity. I can only say, in Iceland humidity is not a big problem, I just remember one time I had some strange noise in NT1a, But that was in a bog after several hours in fog and rain so the windshield was soaking in water.
This comparison is mainly focused on LCT540s and NT1 while they sound so close. Their main difference is the output sensitivity which is about +7dB higher in LCT540s than in NT1. MKH8040 is in other hand just for comparison, to show the difference between a small and large diaphragm microphones and how they react in quiet environment.
This recordings was made in 50m2 garage in the countryside. This recording contains mainly two ticking clocks, both sides of the mic rig, also a buzzing fly and a mouse jumping somewhere in the garage. Outside is a traffic in a distance
If you interest how NT1a compare to LCT540S, then you can read and listen to this older blog post HERE

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First three audio samples are straight from the recorder at 50dB gain, so it sounds in very low level. *

Sennheier MKH8040

Rode NT1

Lewitt LCT540S

Same audio samples again but with +24dB added gain to the original recording, combined 74dB of gain. *

Sennheier MKH8040

Rode NT1

Lewitt LCT540S

Audio samples goes through 80Hz HPF and normalized up to 0dB which increased the gain on MKH8040 about +16dB, NT1 about +14dB and LCT540S about +9dB *

Sennheiser MKH8040  See spectrogram

Rode NT1  See spectrogram

Lewitt LCT540S   See spectrogram

See the whole picture gallery

* All audio samples above are mp3 at 256kbps 44kHz.
Original recording at 24bit/48Khz on Sonosax SX-R4+ & SX-AD8+

See a windshield solution for Rode NT1a and Lewitt LCT540s

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I have published many times recordings from the Nature Reserve Flói in southwest Iceland, so I will not introduce that area again.
During the years I remember couple of times when curious sheeps have disturbed the recording. This is one of them.
This peace is a 30 minutes of nine hour overnight recording. It was recorded between 7 and 8 o´clock in the morning 25th of July 2015.
The recording is not only disturbed by the sheeps, it is also highly disturbed by tourist traffic, especially in the air. Jets are arriving and leaving the country and smaller planes in sightseeing so this peaceful area is not especially quite this time.
Quality open headphones are recommended while listening at medium level.

(256kbps / 57,2Mb)

Recorder: Sound devices 788
Mics: RodeNT1 (NOS) & MKH20 (AB40) as close together as possible
Pix: Canon EOSM
Location: 63.901026, -21.192189
Weather: Calm, cloudy, around 11°C

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I think I don‘t need to present the nature reserve in Flói in many words. It is a wetland / moors in south of Iceland. I have already published in this blog several hours of „Flói recordings“.
Last spring was cold, wet and windy so I did not spend much time there. But in June, I stayed there for two nights while I recorded several hours of recordings during the nights.
As usual I fell in to sleep in the field during that time, so I did not know what I was recording. Last week when I was searching trough the recordings, I noticed some interesting moments.
At 14th of June the overnight weather forecast was nice and I started to record at midnight. Between 2 and 5 in the morning the wind went down so the field got „quieter“ for far distance sound waves.
I put up Rode NT1 in NOS in the same place as usual and pointed them to north. The soundscape is always spectacular in this place.
This soundscape is probably not what everyone would hear by bear ears. The recording is highly amplified. In this circumstances and Rode NT1, I normally adjust the gain on the recorder between 54-58dB. In this particular recording the gain is increased again in post about +24 dB so the peak level in one moment (at 13:16) reach 0dBf.
Many bird species are audible in this recording like Red throat Diver, Common Snipe, Golden Plover, Dunlin, Whimbrel, Gull, Arctic Tern, Northern Wheatear, Greylag Goose, Whooper Svan, Meadow Pipit and other bird species I have forgotten, or can’t name. Other audible animals like horses and sheep’s are there too.
Background noise is mostly from the Atlantic ocean’s waves along the south coast behind the mics. Then as usual, traffic noise and sometimes a party music somewhere in the county.
Quality open headphones are recommended while listening at low to mid level, or in speakers at low level.

Flói 2015. 1. Hluti

Hér er á ferðinni upptaka úr friðlandinu í Flóa frá því á laugardagskvöldi og sunnudagsmorgni 14. júní 2015. Eins og fyrri upptökur úr Flóa sem finna má hér á síðunni eru hljóðnemarnir ávallt staðsettir á sama stað við sömu tjörn norðan við fuglaskoðunarhúsið.
Í upptökunni má heyra í ýmsum fuglategundum. Má þar nefna lóm, hrossagauk, heiðlóu, lóuþræl, spóa, máfa, kríu, steindepli, grágæs, álft og þúfutitling. Þá heyrist lika í hestum og kindum.
Bakgrunnssuð er einkum brim meðfram Suðurströndinni og einkum við Ölfusárósa. Svo berst hávaði frá bílum og partítónlist einhvers staðar í sveitinni.
Mælt er með því að hlusta á upptökuna í góðum opnum heyrnartólum og á miðlungs- lágum hljóðstyrk.

Download mp3 file (256kbps / 60,7Mb)

Recorder: Sound devices 788
Mics. Rode NT1 (NOS)
Pix. Canon EOS M
Weather: clear sky, mostly calm, between -1 to 4°C
Time: 14 June 2015, between 2 and 3 o’clock
Location: 63.900933, -21.191876

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