Most importantly, you’ll find that all of these sounds are excellent at masking background noise, particularly conversation. Play around with the different options for a while, including the excellent volume control, and you’ll soon find the perfect sweet spot for you. As you’d expect, the former 10 sound more mechanical, while the latter 10 are gentler and more ambient. These neatly divide into 10 fan sounds (including 'Industrial Fan', 'Circular Fan', 'Oscillating Fan' and so forth), along with 10 noise sounds, including white, pink, and brown noise. So we love that the LectroFan offers you 20 unique sounds to choose from. And until you start using a white noise machine, you’re not going to know which kind of noise works best for you. Let’s face it, everyone’s different and so are the sound environments we find ourselves in. The only real downside is that, unlike some wireless white noise machines, there's no timer to switch the sound off automatically after a certain period of time. If you want to enjoy some music on your travels or fall asleep to a favorite podcast or audiobook, it comes highly recommended. This is also the only white noise machine we've tested that doubles as a Bluetooth speaker, and although it's certainly not going to put the Sonos One out of a job, it produces impressive audio quality for its size. There are 11 options to choose from (including fan effects, white noise, and rain) and in our tests we found it impossible to tell when each one looped around to the start again. Unlike LectroFan's full-size white noise machines (like the LectroFan Classic below), this little device doesn't contain a mechanical fan, instead relying on recorded sounds to ease you off to sleep at night. 24 bits : DVD-Audio, which can support up to 24-bit audio.The LectroFan Micro2 is tiny, measuring just 52 x 52 x 53mm and weighing a mere 96g, but it's capable of putting out impressively detailed sound. 96,000 Hz : DVD-Audio, some LPCM DVD tracks, BD-ROM (Blu-ray Disc) audio tracks, HD DVD (High-Definition DVD) audio tracks.īit depth: 16 Bits (?) More : In digital audio, bit depth describes the number of bits of information recorded for each sample. 48,000 Hz : The standard used by professional digital video equipment such as tape recorders, video servers, vision mixers and so on. Sampling Rate: 48,000 Hz (?) Search : Defines the number of samples per seconds taken from a continuous signal to make a discrete signal. It can not, for example, be used to sound an image taken outdoors. There is sometimes a little wind, some rumors, etc.Ī " indoor" sound usually contains a strong reverb. Used, for example, in virtual reality.Ĭonditions: Studio (?) A " studio" sound has been recorded in a reverb-free place.Īn " outdoor" sound contains disruptive elements. Ambisonic : aims to create a multi-channel sound space. Stereophonic : Is a method of sound reproduction that creates an illusion of directionality and audible perspective. Typically there is only one microphone, one loudspeaker. Click to display the full UCS list.Ĭhannels: Monophonic (?) - Monophonic : Is single-channel. This sound library meets the UCS 8.2 categorization. It provides consistency in a filename structure to make naming and categorizing easier for anyone who maintains their own personal or professional library. This is a list of fixed and consistent categories for classifying sound effects. UCS Category: Archived / Test Tone ( TEST) (?) The UCS, for "Universal Category System", is a public domain initiative by Tim Nielsen, Justin Drury and Kai Paquin, among others.
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