Common terns are pale gray overall with a black cap. Breeding birds have a fully black cap that extends to the back of the neck and a gray belly. Terns comes from lac des chanteraines next to paris. I love listen to terns next to highway. It’s a pretty shocking contrast of noise pollution.
I had normal two-way radio contact in morse code on 8om band. Suddenly a flock of jays flew, they sat on boughs near open window of my bungalow and their acoustic noise terribly interferred my contact. So i must say that not only electronic interference and noise are possible. Record: nokia 6230i in location jn79nd near jindrichuv hradec.
Audio de una mujer joven (23 años) diciendo las 5 vocales. Frecuencia de muestreo: 8 khz8 bits de cuantificación. Universidad de el salvadoranalisis de señales y sistemas 2020ca17036op17001. [young woman (23 year-old) saying the vowels. Sampling rate: 8 khz. Bitdepth: 8 bits. Recorded on 06/2020, with phone microphone. Pre edited in audacity. ].
A soprano pipistrelle recorded in the vicinity of maynooth university in september 2019. Originally recorded at 192 khz, this rate has been changed to 16 khz to make the sounds audible. In this extract the bat can be heard echolocating which culminates in a 'feeding buzz' as the bat catches prey. Recorded on a sony pcm d100 using knowles ultrasonic mics. Noise reduction has been applied.
C2 moog notes mixed with c2 pizzicato + reversed. All passing through a distortion, reverb, delay and individual lfos. Recording settings:48 [khz]24-bit.
Radio noise: costant single note, then distorted by voice. Frequency: 21227. 50 khz. Recorded from twente university online radio tuner: http://websdr. Ewi. Utwente. Nl:8901/.
I foudd this frequency, between 4450 and 4475 khz whilst going through channels on radiosdr. Org. It sounds a bit like a printer and then lower down sounds like a laser. Sorry for the sound of me pressing the keyboard, my laptop has an internal microphone so this was picked up.
10119 khz 2011-oct-27-1400-utc station clicking over the band. Clicks noted in 10114-10123 khz range. His equipment was old czechoslovak army transmitter rs-41 (about 1965 year). Added frequency marks at -45, -27 and -10 sec. Of the record. I know that rs-41 is clicking because i have the same transmitter at home. But later found that also ft-897 receiver is often the source of phantom clicks. . .
A processed audio of tropical cicadas during the evening (6 pm). A few background noises slipped and were unable to be removed during audio processing stage (around 2. 3 khz and bellow were removed). These tropical cicadas are active during the evening. These cicadas are able to produce calls above 2. 5 khz. This audio was recorded around 25-50m from the source.
A test tone that can be used for final mix for tv and other similar media. It contains 10 seconds of silence and then 30 seconds of a 1khz test tone (sine wave) with the digital level set at -6dbfs. Uploaded as 24/48 wav for post production work. See http://en. Wikipedia. Org/wiki/dbfs for some details on analogue alignment levels.
Bathroom fan recording. Using home bathroom fan, recorded with rode nt1 microphone with avid omni as the mic-pre. Recorded at 192 khz with 32 bit floating point.
Synchronized radio beacons gb3ral, gb3wes and gb3ork on 5290 khz (each first 3 minutes of each quarter of hour) http://www. Rsgb-spectrumforum. Org. Uk/5mhz%20beacons. Htm.
