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- Fast QR-Code Maker
- Fast QR-Code Maker Vs. SpeedAir - Speed of Sound
Fast QR-Code Maker 與 SpeedAir - Speed of Sound 使用情況與統計
QR Code Maker is a simple app for generating QR Code for text, link, email, Whatsapp, SMS, Call, and Wifi.
Key Features:
- Generate QR Code for text, link, email, Whatsapp, SMS, Call, and Wifi.
- Export QR Code to PNG image format.
- Apple App Store
- 付費
- 公共設施
商店排名
- -
Speed of sound calculations for live sound engineers.
Now with metric or US units (meters or feet).
Temperature in Celsius or Fahrenheit.
The Speed of Sound
Calculated using the temperature, humidity and pressure.
Delay Time and SPL
The time taken to travel a given distance and the drop in SPL with distance.
Frequency Attenuation
The amount attenuated by each frequency band depends on temperature, humidity, and pressure. Only frequencies above 2kHz are significantly affected. The attenuation in dB takes into account the distance.
Wavelength
Calculates the full, half and quarter wavelengths for a given frequency. This is useful when designing sub arrays.
Period
The period for a given frequency for full, half and quarter periods.
Make a Donation
Support further development by making an optional small (or large) donation. Thanks!
- Apple App Store
- 免費版
- 公共設施
商店排名
- -
Fast QR-Code Maker與 SpeedAir - Speed of Sound 比較排名
比較過去 28 天的 Fast QR-Code Maker 排名趨勢與 SpeedAir - Speed of Sound
排名
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各國 Fast QR-Code Maker vs. SpeedAir - Speed of Sound 排名比較
比較過去 28 天的 Fast QR-Code Maker 排名趨勢與 SpeedAir - Speed of Sound
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使用我們的免費試用版,與所有網站進行比較
Fast QR-Code Maker VS.
SpeedAir - Speed of Sound
12月 17, 2024