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Posts Tagged ‘Sonosax SX-R4+’

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It is rear now a days to discover new places without traffic or engine nose. I found one in June 2019. It was at Fellströnd, in the northwest of Iceland. That means I have natural silence for more than a one hour. It is a south part of a peninsula which only have gravel roads and no shopping service so motorist are normally not driving there for pleasure.
Less human traffic means more biodiversity. It thrives better in places with less farming and fast driving cars. One roadkill can as well mean a death of the whole family. Car covered with smashed bugs means less food for birds… and so on. This is clearly visible and audible in those areas which have „industry“ farming and lots of fast driving traffic.
No traffic, or engine noise, means more natural silence and more transparent soundscape. Therefor it is very interesting to listen to this recordings. It is even possible to hear sheep footsteps far away and detect what bird species are in the area, even far away. In fact it is possible to analyze the situation of the biodiversity.
This is a high gain recording, recorded at +50dB. Gain was then increased in post about +25dB, normalized at -8dB and gently NR.
This is a part of 10 hour recording. This part was recorded between 7 and 8 in the morning at 21st of June.
Many bird species are audible in this recording. Black tailed Godwit, Common Redsank, Whimprel, Red necked Phalarope, Eurasian Oystercatcher, Common Ringed Plover, European Golden Plover, Dunlin, Raven, Redwing, Purple Sandpiper, Meadow Pipit, Geylag Goose, Whooper Swan, Red Throated Diver and Common Eider. I am almost sure I have not counted them all.
You can hear sheep footsteps which was though far away, also birds wing flaps as a low rumble noise.
Quality open headphones are recommended while listening at low or medium level.

(Mp3 256Kbps / 48Mb)

Recorder: Sonosax SX-R4+
Mics: Sennheiser MKH20 (AB40)
Pix: Canon EOS M50
Location: 65.169836, -22.404601
Weather: Calm, cloudy ca 13°C

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Hólmavatn is a heath lake in the interior in west of Iceland between the two valley Kjarrárdalur and Hvítársíða. It is a part of a big lake system on a heath named Arnarvatnsheiði.
I have once before record the soundscape by this lake before. That was mostly a struggle with wind all the time, so I did not get anything interesting.
But at 22nd of June 2019 the weather forecast was perfect for this area, clear sky and calm most of the night.
I arrived with my gear around 9 pm at my previous recording place. It was still windy and some anglers about 500m away east of the lake. I quickly put up my rigs knowing that a calm weather meant just lot of gnats. I decided to put a two stereo pairs close to the shore, facing out to the lake. LCT450s in NOS about 60 m east from my car and MKH20 pair 70 m in the west. Suddenly around 11pm the wind stopped to blow and I started the recording.
What glorious soundscape. All those small tiny things and all those bird species. The LCT540s sounds much cleaner and brighter than MKH20, I guess mainly because of the different location.
But there was a big problem which I did not notice with my bare ears. The anglers made so much noise it was clear they would destroy my „natural silence“ recordings this night. They were playing a radio all the time, talking, starting car engines, and even worse, soon after I started the recording two of them started a motor boat. All this noise lasted for about two or two and a half hours.
Later that night when this noisy anglers were gone, all the birdsong became calm and less active. I am not sure why, but afterwards when I listened to the recordings it seemed like the anglers on the boat were disturbing birds on their habitat.
Following recording is a part of this „anglers moment“, probably the best part because the motorboat was mostly far east on the lake most of this time.
In the beginning of the recording you can clearly hear tiny sparks. It is coming from foam which forms between stones in the shore during windy days. When the bobbles in this foam blows, they make this tiny sparking sound. During the recording the sparks get fewer and lower because the weather is calm and no waves on the lake.
But there are so many bird species I guess I will not know them all. Great Northern Diver, Read Throated Diever, Arctic Tern, Whooper Swan, Pink Footed Goose, Black Headed Gull, Golden Plower, Dunlin, Whimbrell, Common Snipe, Common Redshank, Arctic Skua, Rock Ptarmigan and probably some other which you are welcome, if you know, to name in comments below.
You will hear the fish jumping and Arctic Tern hunting on the lake surface. Other background noise other than human noise from anglers is mainly from the river Kjarrá which flows in the Kjarrárdalur valley 4Km north of the lake .
This recording got a gently noise reduction, mainly because of high gain.
It was recorded with 47dB gain. In post the gain was normalized +26dB up to -5dB
Quality open headphones are recommended while listening at low to mid level, or in speakers at medium level.

(mp3 256kbps / 68Mb)

Recorder: Sonosax SX-R4+
Mics: Lewitt LCT540s (NOS setup)
Pix: Canon EOS M50
Location: 64.799603, -20.895132
Weather: Dry. Mostly calm up to 5m/sec

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