기술
SmarterNoise Plus is a premium sound level meter app featuring several unique functions. SmarterNoise Plus measures sound levels in video and audio format, records video and sound, and informs you about the risks of noise exposure. In addition, SmarterNoise Plus includes a camera, gps-location, and easy sharing, all for free. From the archive you can go back to the video and audio files you saved on your phone. With SmarterNoise Plus you take sound level and noise measuring to a new level never available before.
SmarterNoise Plus features smart icons that react to the measured sound levels based on current research results focusing on the health and well being effects of noise pollution. With the SmarterNoise icons you easily understand how hearing, cognitive performance, and health may be effected during different levels of noise exposure. The awareness of harmful noise is increasing globally, and is considered a versatile risk factor for wellbeing and health, especially in noise polluted urban environments.
Features of SmarterNoise Plus:
• Sound level measurement in video mode
• Sound level measurement in audio mode
• Sound level camera
• Video zoom
• Optional camera light
• Recording in video and audio mode
• Full HD (1080p), HD (720p) or VGA (480p) video resolution
• Three video quality settings
• Restart measurement
• Archive for saved files
• Sharing of saved files
• Calibration
• Smart icons
• Location, address
• Time and date
• Add text notes to measurements
• 10 second sound level average (LAeq, decibel)
• 60 second sound level average (LAeq, decibel)
• Max and min decibel level
About decibels and sound measurement
The unit for measuring noise and sound is called a decibel. Because the decibel scale is logarithmic, a sound with an intensity that is twice that of a reference sound corresponds to an increase of about 3 decibels. The reference point of 0 decibel is set at the intensity of the least perceptible sound, the threshold of hearing. On such a scale a 10-decibel sound is 10 times the intensity of the reference sound. Highlighting this is important as already a few decibels higher or lower makes a noticeable difference in how noise is perceived.
The preferred method to describe sound levels that vary over time, resulting in a single decibel value measuring the total sound energy over the period is called Leq. It is however common practice to measure sound levels using the A-weighting, which effectively cuts off the lower and higher frequencies, that the average person cannot hear. In this case Leq is written as LAeq. LAeq measures a formulated average which emphasises higher sound peaks, and is one of the most common measurements used by professionals to measure noise. All averages in SmarterNoise Plus are measured in LAeq.
About noise
According to the findings of the World Health Organisation (WHO), noise is the second largest environmental cause of health problems, after the impact of air quality. While environmental awareness in general has increased, the burden from noise has not yet been realised by the general public. People especially in urban environments are subjected to noise during day and night, at home and at work. Noise pollution has increased over the years due to extensive traffic, increased air travel, urbanisation, and industrial noise exposure. Because of the complex and frequent issue of everyday noise, we developed SmarterNoise Plus in order for people to understand noise better.
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가격
- 오늘: $2.99
- 최소: $1.99
- 최대: $4.99
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주소록
- 웹사이트:
https://smarternoise.com
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