Acoustics Basics
HK$ 38.00
3.9for iPhone, iPad and more
Age Rating
Acoustics Basics 螢幕截圖
About Acoustics Basics
Acoustics Basics is ideal for sound engineers, media professionals and audiophiles. The app includes a variety of tables, equations, tips and notes.
Also, includes a list of acceptable noise/sound levels for indoors and outdoors for a variety of building structures and environments.
Table of Contents:
- Abatement and Distance from Source
- Acceptable Noise - dBA - Levels
- Adding Decibels
- Blade Dampers and Noise Generation
- Blade Pass Frequency - BPF
- Classification of Noise Reduction Silencers
- Comparing Noise Criteria
- Daily Noise Dose Level
- Decibel
- Decibel A, B and C
- Directivity Coefficient and Sound Attenuation
- Ducts - Noise Generation
- EPA Protective Noise Levels
- Fans and Noise Power Generation
- Floor Vibration
- Frequency Limits for Octave Bands
- Ldn - Day and Night Sound Level
- Leq - Equivalent Sound Level
- Ls - Sound Exposure Level
- Machines - Sound Level Reduction
- Maximum A-Weighted Sound Levels Allowed
- NC - Noise Criterion
- Noise Exposure - Permissible Level and Duration
- Outdoor Ambient Sound Levels
- PNC - Preferred Noise Criterion
- Propagation of Sound Indoors
- Propagation of Sound Outdoors
- RC - Room Criteria
- REL - Noise Recommended Exposure Limit
- Reverberation Time
- Room Absorption Characteristics
- Sound Absorption Coefficients
- Sound Attenuation
- Sound Attenuation due to End Reflection
- Sound Attenuation in Duct Elbows
- Sound Attenuation in Unlined Sheet-Metal Ducts
- Sound Frequency, Wavelength and Octave
- Sound Intensity
- Sound Power
- Sound Power, Intensity and Pressure
- Sound Pressure
- Sound Pressure - Recommended Maximum Levels in Rooms
- Sound Transmission Through Massive Walls or Floors
- Sound Transmission through Duct Walls
- Speed of Sound
- Speed of Sound in some materials
- Speed of Sound in Gases
- Speed of Sound in some common Liquids
- Speed of Sound in some common Solids
- Subjective Effect of Change in Sound Pressure Level
- Telephones in Noisy Areas
- Voice Level and Distance
* All Content is Searchable
* All Content is available offline (no need for WiFi or Internet Connection)
* Please send us any questions, comments or suggestions using our website
Also, includes a list of acceptable noise/sound levels for indoors and outdoors for a variety of building structures and environments.
Table of Contents:
- Abatement and Distance from Source
- Acceptable Noise - dBA - Levels
- Adding Decibels
- Blade Dampers and Noise Generation
- Blade Pass Frequency - BPF
- Classification of Noise Reduction Silencers
- Comparing Noise Criteria
- Daily Noise Dose Level
- Decibel
- Decibel A, B and C
- Directivity Coefficient and Sound Attenuation
- Ducts - Noise Generation
- EPA Protective Noise Levels
- Fans and Noise Power Generation
- Floor Vibration
- Frequency Limits for Octave Bands
- Ldn - Day and Night Sound Level
- Leq - Equivalent Sound Level
- Ls - Sound Exposure Level
- Machines - Sound Level Reduction
- Maximum A-Weighted Sound Levels Allowed
- NC - Noise Criterion
- Noise Exposure - Permissible Level and Duration
- Outdoor Ambient Sound Levels
- PNC - Preferred Noise Criterion
- Propagation of Sound Indoors
- Propagation of Sound Outdoors
- RC - Room Criteria
- REL - Noise Recommended Exposure Limit
- Reverberation Time
- Room Absorption Characteristics
- Sound Absorption Coefficients
- Sound Attenuation
- Sound Attenuation due to End Reflection
- Sound Attenuation in Duct Elbows
- Sound Attenuation in Unlined Sheet-Metal Ducts
- Sound Frequency, Wavelength and Octave
- Sound Intensity
- Sound Power
- Sound Power, Intensity and Pressure
- Sound Pressure
- Sound Pressure - Recommended Maximum Levels in Rooms
- Sound Transmission Through Massive Walls or Floors
- Sound Transmission through Duct Walls
- Speed of Sound
- Speed of Sound in some materials
- Speed of Sound in Gases
- Speed of Sound in some common Liquids
- Speed of Sound in some common Solids
- Subjective Effect of Change in Sound Pressure Level
- Telephones in Noisy Areas
- Voice Level and Distance
* All Content is Searchable
* All Content is available offline (no need for WiFi or Internet Connection)
* Please send us any questions, comments or suggestions using our website
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最新版本3.9更新日誌
Last updated on 2020年04月04日
歷史版本
- Fixed build issue
Show More
Version History
3.9
2020年04月04日
- Fixed build issue
3.8
2020年04月03日
- Build with iOS SDK 13.0
- Increased usability of the app
- Added LaunchScreen storyboard
- Increased usability of the app
- Added LaunchScreen storyboard
3.7
2017年04月04日
- Minor updates
3.6
2017年02月17日
- Minor updates
3.5
2017年02月03日
- Minor updates
3.4
2016年12月19日
- Minor updates
3.3
2016年10月27日
- Minor updates
3.2
2016年09月28日
- Minor updates
3.1
2016年07月31日
- Minor updates
3.0
2016年06月27日
- Minor updates
2.9
2016年05月27日
- Minor updates
2.8
2016年04月08日
- Changed app title
2.7
2015年10月08日
- Fix App Store link
2.6
2015年07月27日
- User can now send feedback
2.5
2015年06月24日
- Added support for Korean, Russian, Italian and Indonesian
2.4
2015年05月14日
- Search improvements
2.3
2015年04月20日
- Added support for iPhone 6 and iPhone 6 Plus
2.2
2015年04月11日
- Added support for French, German, Spanish, Portuguese, Chinese and Japanese
2.1
2015年03月03日
- Changed app icon
2.0
2015年02月28日
- Added Search
1.1
2015年02月13日
- Added iPad support.
- Made app screen re-sizeable for the different devices.
- Added landscape support. Now user can see more data on any screen.
- Fixed scrolling issue at the bottom of the pages.
- Added 64 bit support.
- Made app screen re-sizeable for the different devices.
- Added landscape support. Now user can see more data on any screen.
- Fixed scrolling issue at the bottom of the pages.
- Added 64 bit support.
1.0
2010年08月27日
Acoustics Basics FAQ
點擊此處瞭解如何在受限國家或地區下載Acoustics Basics。
以下為Acoustics Basics的最低配置要求。
iPhone
須使用 iOS 12.0 或以上版本。
iPad
須使用 iPadOS 12.0 或以上版本。
iPod touch
須使用 iOS 12.0 或以上版本。
Acoustics Basics支持俄文, 印尼文, 德文, 意大利文, 日文, 法文, 簡體中文, 英文, 葡萄牙文, 西班牙文, 韓文
