Decibel X:dB Sound Level Meter

Decibel X:dB Sound Level Meter

Frequency Spectrum Analyzer

开发者: Thanh Dinh

中国
APP ID 复制
448155923
分类
价格
免费
内购
17个评分
工具(免费)
昨日下载量
最近更新
2025-06-25
最早发布
2011-11-05
版本统计
  • 21天10小时

    最新版本上线距今

  • 3

    近1年版本更新次数

  • 2011-11-04

    全球最早版本上线日期

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  • 版本: 9.9.1

    版本更新日期

    2025-06-25

    Decibel X:dB Sound Level Meter

    Decibel X:dB Sound Level Meter

    Frequency Spectrum Analyzer

    更新日志

    Thanks for using Decibel X! Here's what's new for the version 9.9.1:
    ∿ [New Feature] - Add Customer Center for easier managing subscriptions. You now can view/cancel/reqquest refund subscriptions right within the app
    ∿ [New Feature] - Give discounted offers for eligible customers
    ∿ [Fixes] - Fix an issue where spectrum graph showing incorrect scale in linear mode
    ∿ [Fixes] - Fix an issue where dragging instantaneous value label not movable in fullscreen mode
    ∿ [Fixes] - Fix an issue where wave graph occasionally not showing
    ∿ [Improvements] - Add support for newer devices
    ∿ [Improvements] - Upgrade library components
    ∿ [Improvements] - Several other minor tweaks & bug fixes

    What to expect in upcoming versions:
    ∿ Support external or bluetooth mics
    ∿ Hearing test

    视频/截图

    Decibel X:dB Sound Level Meter App 视频
    Decibel X:dB Sound Level Meter App 视频
    Decibel X:dB Sound Level Meter App 视频
    Decibel X:dB Sound Level Meter App 截图
    Decibel X:dB Sound Level Meter App 截图
    Decibel X:dB Sound Level Meter App 截图
    Decibel X:dB Sound Level Meter App 截图
    Decibel X:dB Sound Level Meter App 截图
    Decibel X:dB Sound Level Meter App 截图
    Decibel X:dB Sound Level Meter App 截图
    Decibel X:dB Sound Level Meter App 截图

    应用描述

    "Decibel X" is one of very few noise meter apps on the market that has highly reliable, pre-calibrated measurements and supports dBA, dBC. It turns your iOS device into a professional sound level meter, precisely measures the sound pressure level (SPL) all around you. This extremely useful and beautiful tool will not only be a great tool for many uses but also bring you a lot of fun. Have you wondered how quiet is your room or how loud is a rock concert or sport event? "Decibel X" will help you answer all of those.

    WHAT MAKE IT GREAT AND STAND OUT FROM OTHER APPS:

    - Trusted accuracy: the app is tested and pre calibrated for all Apple devices. The precision is matching with real SPL devices
    - Apple Watch support: see noise level right from your wrist
    - Health App integration: export noise levels directly into Health app
    - Frequency weighting filters: ITU-R 468, A, B, C, Z
    - Powerful, smart history data management:
    + Recording data can be saved into a list of history records for future access and analysis
    + Each record can be exported as hi-res PNG graph or CSV text via sharing services
    + iCloud support which synchronize all history records across your Apple devices
    + Fullscreen mode to give overview the whole history of an record
    - Dosimeter with NIOSH, OSHA standards
    - Powerful calibration: Linear, Octave 1/1, 1/3, Load/save profile
    - FFT and BAR graphs to display real time FFT. Those are very useful for frequency analysis and musical tests. Real time predominant frequency is also displayed.
    - InstaDecibel to capture your dB report overlaid on photos and easily shared via popular social networks (Facebook, Instagram, Messages, etc.).
    - Support Live Activity, Dynamic Island
    - Support both Portrait and Landscape layouts
    - Beautiful, intuitive and carefully crafted UI design. Themes: LIGHT, DARK and CLASSIC

    OTHER GREAT FEATURES:

    - Standard time weightings (Response Time): SLOW (500 milliseconds), FAST (200 milliseconds) AND IMPULSE (50 milliseconds)
    - MIC Gain Offset from -50 dB to 50 dB
    - Standard measurement range from 30 dBA up to 130 dBA
    - HISTO graph for plotted history of the recorded values
    - WAVE graph with 2 display modes: Rolling & Buffer
    - SPECTROGRAPH
    - Real time scale level chart
    - Display Current, Average/Leq, and Max values with both nice and clear digital and analog layouts
    - Quick reference text to help you compare with real-life examples

    NOTES:

    - Please do not expect a quiet room reading will be 0 dBA. The range 30-130 dBA is the standard usable range and an average quiet room will be about 30 dBA.
    - Although all devices are pre-calibrated, custom calibration is suggested for serious purposes requiring higher precision and accuracy. You will need a real external device or calibrated sound meter as a reference, then adjust the trimming calibration until the reading matches with the reference.

    * Privacy Policy: http://www.skypaw.com/decibelx/privacy_policy.html
    * EULA: http://www.skypaw.com/decibelx/terms.html
  • 版本: 9.9.0

    版本更新日期

    2024-10-13

    Decibel X:dB Sound Level Meter

    Decibel X:dB Sound Level Meter

    Frequency Spectrum Analyzer

    更新日志

    Thanks for using Decibel X! Here's what's new for the version 9.9.0:
    ∿ [New Feature] - Loud noise alert: notification alarm when exceeded a preset threshold
    ∿ [New Feature] - Quick PDF report: quick preview and ready-to-share report for current recording
    ∿ [New Feature] - HTML export now include audio files within zip file
    ∿ [New Feature] - Support previewing PDF/HTML/CSV before exporting
    ∿ [Fixes] - Live Activities and some UI issues for iOS 18
    ∿ [Fixes] - Incorrect start time in CSV report export
    ∿ [Improvements] - Saved data will use timestamp instead of response time for better post processing
    ∿ [Improvements] - Upgrade library components
    ∿ [Improvements] - Several other minor tweaks & bug fixes

    What to expect in upcoming versions:
    ∿ Support external or bluetooth mics
    ∿ Hearing test

    视频/截图

    Decibel X:dB Sound Level Meter App 视频
    Decibel X:dB Sound Level Meter App 视频
    Decibel X:dB Sound Level Meter App 视频
    Decibel X:dB Sound Level Meter App 截图
    Decibel X:dB Sound Level Meter App 截图
    Decibel X:dB Sound Level Meter App 截图
    Decibel X:dB Sound Level Meter App 截图
    Decibel X:dB Sound Level Meter App 截图
    Decibel X:dB Sound Level Meter App 截图
    Decibel X:dB Sound Level Meter App 截图
    Decibel X:dB Sound Level Meter App 截图

    应用描述

    "Decibel X" is one of very few noise meter apps on the market that has highly reliable, pre-calibrated measurements and supports dBA, dBC. It turns your iOS device into a professional sound level meter, precisely measures the sound pressure level (SPL) all around you. This extremely useful and beautiful tool will not only be a great tool for many uses but also bring you a lot of fun. Have you wondered how quiet is your room or how loud is a rock concert or sport event? "Decibel X" will help you answer all of those.

    WHAT MAKE IT GREAT AND STAND OUT FROM OTHER APPS:

    - Trusted accuracy: the app is tested and pre calibrated for all Apple devices. The precision is matching with real SPL devices
    - Apple Watch support: see noise level right from your wrist
    - Health App integration: export noise levels directly into Health app
    - Frequency weighting filters: ITU-R 468, A, B, C, Z
    - Powerful, smart history data management:
    + Recording data can be saved into a list of history records for future access and analysis
    + Each record can be exported as hi-res PNG graph or CSV text via sharing services
    + iCloud support which synchronize all history records across your Apple devices
    + Fullscreen mode to give overview the whole history of an record
    - Dosimeter with NIOSH, OSHA standards
    - Powerful calibration: Linear, Octave 1/1, 1/3, Load/save profile
    - FFT and BAR graphs to display real time FFT. Those are very useful for frequency analysis and musical tests. Real time predominant frequency is also displayed.
    - InstaDecibel to capture your dB report overlaid on photos and easily shared via popular social networks (Facebook, Instagram, Messages, etc.).
    - Support Live Activity, Dynamic Island
    - Support both Portrait and Landscape layouts
    - Beautiful, intuitive and carefully crafted UI design. Themes: LIGHT, DARK and CLASSIC

    OTHER GREAT FEATURES:

    - Standard time weightings (Response Time): SLOW (500 milliseconds), FAST (200 milliseconds) AND IMPULSE (50 milliseconds)
    - MIC Gain Offset from -50 dB to 50 dB
    - Standard measurement range from 30 dBA up to 130 dBA
    - HISTO graph for plotted history of the recorded values
    - WAVE graph with 2 display modes: Rolling & Buffer
    - SPECTROGRAPH
    - Real time scale level chart
    - Display Current, Average/Leq, and Max values with both nice and clear digital and analog layouts
    - Quick reference text to help you compare with real-life examples

    NOTES:

    - Please do not expect a quiet room reading will be 0 dBA. The range 30-130 dBA is the standard usable range and an average quiet room will be about 30 dBA.
    - Although all devices are pre-calibrated, custom calibration is suggested for serious purposes requiring higher precision and accuracy. You will need a real external device or calibrated sound meter as a reference, then adjust the trimming calibration until the reading matches with the reference.

    * Privacy Policy: http://www.skypaw.com/decibelx/privacy_policy.html
    * EULA: http://www.skypaw.com/decibelx/terms.html
  • 版本: 9.8.1

    版本更新日期

    2024-08-19

    Decibel X:dB Sound Level Meter

    Decibel X:dB Sound Level Meter

    Frequency Spectrum Analyzer

    更新日志

    Thanks for using Decibel X! Here's what's new for the version 9.8.1:
    ∿ Fix an error where the special offer for re-subscribers cannot be proceeded
    ∿ Upgrade library components
    ∿ Several other minor improvements & bug fixes

    What to expect in upcoming versions:
    ∿ Set notification alarm when exceeded a preset threshold
    ∿ Support external or bluetooth mics
    ∿ Hearing test

    应用描述

    暂无应用描述数据

  • 版本: 9.8.0

    版本更新日期

    2024-07-16

    Decibel X:dB Sound Level Meter

    Decibel X:dB Sound Level Meter

    Frequency Spectrum Analyzer

    更新日志

    Thanks for using Decibel X! Here's what's new for the version 9.8.0:
    ∿ Upgrade library components
    ∿ Several other minor improvements & bug fixes

    What to expect in upcoming versions:
    ∿ Set notification alarm when exceeded a preset threshold
    ∿ Support external or bluetooth mics
    ∿ Hearing test

    应用描述

    暂无应用描述数据

  • 版本: 9.7.0

    版本更新日期

    2023-09-21

    Decibel X:dB Sound Level Meter

    Decibel X:dB Sound Level Meter

    Frequency Spectrum Analyzer

    更新日志

    Thanks for using Decibel X! Here's what's new for the version 9.7.0:
    ∿ Data management now supports multiple editing
    ∿ Data management now supports batch exporting
    ∿ Fix a critical bug that prevents the app from running on Apple Watch
    ∿ Adds settings option for showing Live Activities widget
    ∿ Supports interactive Live Activity widgets
    ∿ Adds more UI types for Live Activity and Dynamic Island widgets
    ∿ Upgrade library components
    ∿ Several other minor improvements & fixes

    What to expect in upcoming versions:
    ∿ Set notification alarm when exceeded a preset threshold
    ∿ Support external or bluetooth mics
    ∿ Hearing test

    视频/截图

    Decibel X:dB Sound Level Meter App 视频
    Decibel X:dB Sound Level Meter App 视频
    Decibel X:dB Sound Level Meter App 视频
    Decibel X:dB Sound Level Meter App 截图
    Decibel X:dB Sound Level Meter App 截图
    Decibel X:dB Sound Level Meter App 截图
    Decibel X:dB Sound Level Meter App 截图
    Decibel X:dB Sound Level Meter App 截图
    Decibel X:dB Sound Level Meter App 截图
    Decibel X:dB Sound Level Meter App 截图
    Decibel X:dB Sound Level Meter App 截图

    应用描述

    "Decibel X" is one of very few noise meter apps on the market that has highly reliable, pre-calibrated measurements and supports dBA, dBC. It turns your iOS device into a professional sound level meter, precisely measures the sound pressure level (SPL) all around you. This extremely useful and beautiful tool will not only be a great tool for many uses but also bring you a lot of fun. Have you wondered how quiet is your room or how loud is a rock concert or sport event? "Decibel X" will help you answer all of those.

    WHAT MAKE IT GREAT AND STAND OUT FROM OTHER APPS:

    - Trusted accuracy: the app is tested and pre calibrated for all Apple devices. The precision is matching with real SPL devices
    - Apple Watch support: see noise level right from your wrist
    - Health App integration: export noise levels directly into Health app
    - Frequency weighting filters: ITU-R 468, A, B, C, Z
    - Powerful, smart history data management:
    + Recording data can be saved into a list of history records for future access and analysis
    + Each record can be exported as hi-res PNG graph or CSV text via sharing services
    + iCloud support which synchronize all history records across your Apple devices
    + Fullscreen mode to give overview the whole history of an record
    - Dosimeter with NIOSH, OSHA standards
    - Powerful calibration: Linear, Octave 1/1, 1/3, Load/save profile
    - FFT and BAR graphs to display real time FFT. Those are very useful for frequency analysis and musical tests. Real time predominant frequency is also displayed.
    - InstaDecibel to capture your dB report overlaid on photos and easily shared via popular social networks (Facebook, Instagram, Messages, etc.).
    - Support Live Activity, Dynamic Island
    - Support both Portrait and Landscape layouts
    - Beautiful, intuitive and carefully crafted UI design. Themes: LIGHT, DARK and CLASSIC

    OTHER GREAT FEATURES:

    - Standard time weightings (Response Time): SLOW (500 milliseconds), FAST (200 milliseconds) AND IMPULSE (50 milliseconds)
    - MIC Gain Offset from -50 dB to 50 dB
    - Standard measurement range from 30 dBA up to 130 dBA
    - HISTO graph for plotted history of the recorded values
    - WAVE graph with 2 display modes: Rolling & Buffer
    - SPECTROGRAPH
    - Real time scale level chart
    - Display Current, Average/Leq, and Max values with both nice and clear digital and analog layouts
    - Quick reference text to help you compare with real-life examples

    NOTES:

    - Please do not expect a quiet room reading will be 0 dBA. The range 30-130 dBA is the standard usable range and an average quiet room will be about 30 dBA.
    - Although all devices are pre-calibrated, custom calibration is suggested for serious purposes requiring higher precision and accuracy. You will need a real external device or calibrated sound meter as a reference, then adjust the trimming calibration until the reading matches with the reference.

    * Privacy Policy: http://www.skypaw.com/decibelx/privacy_policy.html
    * EULA: http://www.skypaw.com/decibelx/terms.html
  • 版本: 9.6.2

    版本更新日期

    2023-05-10

    Decibel X:dB Sound Level Meter

    Decibel X:dB Sound Level Meter

    Frequency Spectrum Analyzer

    更新日志

    Thanks for using Decibel X! Here's what's new for the version 9.6.2:
    ∿ Fix an issue where saved logs synced from iCloud might not show histograph
    ∿ Change edit mode of saved data for better manipulation
    ∿ Vastly improve many UI elements
    ∿ Upgrade library components
    ∿ Several other minor improvements & fixes

    What to expect in upcoming versions:
    ∿ Set notification alarm when exceeded a preset threshold
    ∿ Support external or bluetooth mics
    ∿ Hearing test

    视频/截图

    Decibel X:dB Sound Level Meter App 视频
    Decibel X:dB Sound Level Meter App 视频
    Decibel X:dB Sound Level Meter App 视频
    Decibel X:dB Sound Level Meter App 截图
    Decibel X:dB Sound Level Meter App 截图
    Decibel X:dB Sound Level Meter App 截图
    Decibel X:dB Sound Level Meter App 截图
    Decibel X:dB Sound Level Meter App 截图
    Decibel X:dB Sound Level Meter App 截图
    Decibel X:dB Sound Level Meter App 截图
    Decibel X:dB Sound Level Meter App 截图

    应用描述

    "Decibel X" is one of very few noise meter apps on the market that has highly reliable, pre-calibrated measurements and supports dBA, dBC. It turns your iOS device into a professional sound level meter, precisely measures the sound pressure level (SPL) all around you. This extremely useful and beautiful tool will not only be a great tool for many uses but also bring you a lot of fun. Have you wondered how quiet is your room or how loud is a rock concert or sport event? "Decibel X" will help you answer all of those.

    WHAT MAKE IT GREAT AND STAND OUT FROM OTHER APPS:

    - Trusted accuracy: the app is tested and pre calibrated for all Apple devices. The precision is matching with real SPL devices
    - Apple Watch support: see noise level right from your wrist
    - Health App integration: export noise levels directly into Health app
    - Frequency weighting filters: ITU-R 468, A, B, C, Z
    - Powerful, smart history data management:
    + Recording data can be saved into a list of history records for future access and analysis
    + Each record can be exported as hi-res PNG graph or CSV text via sharing services
    + iCloud support which synchronize all history records across your Apple devices
    + Fullscreen mode to give overview the whole history of an record
    - Dosimeter with NIOSH, OSHA standards
    - Powerful calibration: Linear, Octave 1/1, 1/3, Load/save profile
    - FFT and BAR graphs to display real time FFT. Those are very useful for frequency analysis and musical tests. Real time predominant frequency is also displayed.
    - InstaDecibel to capture your dB report overlaid on photos and easily shared via popular social networks (Facebook, Instagram, Messages, etc.).
    - Support Live Activity, Dynamic Island
    - Support both Portrait and Landscape layouts
    - Beautiful, intuitive and carefully crafted UI design. Themes: LIGHT, DARK and CLASSIC

    OTHER GREAT FEATURES:

    - Standard time weightings (Response Time): SLOW (500 milliseconds), FAST (200 milliseconds) AND IMPULSE (50 milliseconds)
    - MIC Gain Offset from -50 dB to 50 dB
    - Standard measurement range from 30 dBA up to 130 dBA
    - HISTO graph for plotted history of the recorded values
    - WAVE graph with 2 display modes: Rolling & Buffer
    - SPECTROGRAPH
    - Real time scale level chart
    - Display Current, Average/Leq, and Max values with both nice and clear digital and analog layouts
    - Quick reference text to help you compare with real-life examples

    NOTES:

    - Please do not expect a quiet room reading will be 0 dBA. The range 30-130 dBA is the standard usable range and an average quiet room will be about 30 dBA.
    - Although all devices are pre-calibrated, custom calibration is suggested for serious purposes requiring higher precision and accuracy. You will need a real external device or calibrated sound meter as a reference, then adjust the trimming calibration until the reading matches with the reference.

    * Privacy Policy: http://www.skypaw.com/decibelx/privacy_policy.html
    * EULA: http://www.skypaw.com/decibelx/terms.html
  • 版本: 9.6.1

    版本更新日期

    2023-02-11

    Decibel X:dB Sound Level Meter

    Decibel X:dB Sound Level Meter

    Frequency Spectrum Analyzer

    更新日志

    Thanks for using Decibel X! Here's what's new for the version 9.6.1:
    ∿ Fix an issue where legacy users cannot restore their purchases to access locked features (i.e ad removal, frequency weightings, data export)
    ∿ Fix an issue where crash may happen when calibrating
    ∿ Fix an issue where crash may happen when access to spectrogram
    ∿ Upgrade library components
    ∿ Several other minor improvements & fixes

    What to expect in upcoming versions:
    ∿ Set notification alarm when exceeded a preset threshold
    ∿ Support external or bluetooth mics
    ∿ Hearing test

    视频/截图

    Decibel X:dB Sound Level Meter App 视频
    Decibel X:dB Sound Level Meter App 视频
    Decibel X:dB Sound Level Meter App 视频
    Decibel X:dB Sound Level Meter App 截图
    Decibel X:dB Sound Level Meter App 截图
    Decibel X:dB Sound Level Meter App 截图
    Decibel X:dB Sound Level Meter App 截图
    Decibel X:dB Sound Level Meter App 截图
    Decibel X:dB Sound Level Meter App 截图
    Decibel X:dB Sound Level Meter App 截图
    Decibel X:dB Sound Level Meter App 截图

    应用描述

    "Decibel X" is one of very few noise meter apps on the market that has highly reliable, pre-calibrated measurements and supports dBA, dBC. It turns your iOS device into a professional sound level meter, precisely measures the sound pressure level (SPL) all around you. This extremely useful and beautiful tool will not only be a great tool for many uses but also bring you a lot of fun. Have you wondered how quiet is your room or how loud is a rock concert or sport event? "Decibel X" will help you answer all of those.

    WHAT MAKE IT GREAT AND STAND OUT FROM OTHER APPS:

    - Trusted accuracy: the app is tested and pre calibrated for all Apple devices. The precision is matching with real SPL devices
    - Apple Watch support: see noise level right from your wrist
    - Health App integration: export noise levels directly into Health app
    - Frequency weighting filters: ITU-R 468, A, B, C, Z
    - Powerful, smart history data management:
    + Recording data can be saved into a list of history records for future access and analysis
    + Each record can be exported as hi-res PNG graph or CSV text via sharing services
    + iCloud support which synchronize all history records across your Apple devices
    + Fullscreen mode to give overview the whole history of an record
    - Dosimeter with NIOSH, OSHA standards
    - Powerful calibration: Linear, Octave 1/1, 1/3, Load/save profile
    - FFT and BAR graphs to display real time FFT. Those are very useful for frequency analysis and musical tests. Real time predominant frequency is also displayed.
    - InstaDecibel to capture your dB report overlaid on photos and easily shared via popular social networks (Facebook, Instagram, Messages, etc.).
    - Support Live Activity, Dynamic Island
    - Support both Portrait and Landscape layouts
    - Beautiful, intuitive and carefully crafted UI design. Themes: LIGHT, DARK and CLASSIC

    OTHER GREAT FEATURES:

    - Standard time weightings (Response Time): SLOW (500 milliseconds), FAST (200 milliseconds) AND IMPULSE (50 milliseconds)
    - MIC Gain Offset from -50 dB to 50 dB
    - Standard measurement range from 30 dBA up to 130 dBA
    - HISTO graph for plotted history of the recorded values
    - WAVE graph with 2 display modes: Rolling & Buffer
    - SPECTROGRAPH
    - Real time scale level chart
    - Display Current, Average/Leq, and Max values with both nice and clear digital and analog layouts
    - Quick reference text to help you compare with real-life examples

    NOTES:

    - Please do not expect a quiet room reading will be 0 dBA. The range 30-130 dBA is the standard usable range and an average quiet room will be about 30 dBA.
    - Although all devices are pre-calibrated, custom calibration is suggested for serious purposes requiring higher precision and accuracy. You will need a real external device or calibrated sound meter as a reference, then adjust the trimming calibration until the reading matches with the reference.

    * Privacy Policy: http://www.skypaw.com/decibelx/privacy_policy.html
    * EULA: http://www.skypaw.com/decibelx/terms.html
  • 版本: 9.6.0

    版本更新日期

    2023-01-16

    Decibel X:dB Sound Level Meter

    Decibel X:dB Sound Level Meter

    Frequency Spectrum Analyzer

    更新日志

    Thanks for using Decibel X! Here's what's new for the version 9.6.0:
    ∿ Add a whole new powerful calibration screen which supports: Linear, per Octave calibrating and load/save profile.
    ∿ Support Live Activity
    ∿ Support Dynamic Island
    ∿ Support Lock Screen widget
    ∿ Fix a camera issue that limits recording duration for subscribers
    ∿ Fix an issue where need to double swipe to exit the app
    ∿ Vastly improve UI and performance
    ∿ Upgrade library components
    ∿ Various other minor improvements & fixes

    What to expect in upcoming versions:
    ∿ Set notification alarm when exceeded a preset threshold
    ∿ Support external or bluetooth mics
    ∿ Hearing test

    视频/截图

    Decibel X:dB Sound Level Meter App 视频
    Decibel X:dB Sound Level Meter App 视频
    Decibel X:dB Sound Level Meter App 视频
    Decibel X:dB Sound Level Meter App 截图
    Decibel X:dB Sound Level Meter App 截图
    Decibel X:dB Sound Level Meter App 截图
    Decibel X:dB Sound Level Meter App 截图
    Decibel X:dB Sound Level Meter App 截图
    Decibel X:dB Sound Level Meter App 截图
    Decibel X:dB Sound Level Meter App 截图
    Decibel X:dB Sound Level Meter App 截图

    应用描述

    "Decibel X" is one of very few noise meter apps on the market that has highly reliable, pre-calibrated measurements and supports dBA, dBC. It turns your iOS device into a professional sound level meter, precisely measures the sound pressure level (SPL) all around you. This extremely useful and beautiful tool will not only be a great tool for many uses but also bring you a lot of fun. Have you wondered how quiet is your room or how loud is a rock concert or sport event? "Decibel X" will help you answer all of those.

    WHAT MAKE IT GREAT AND STAND OUT FROM OTHER APPS:

    - Trusted accuracy: the app is tested and pre calibrated for all Apple devices. The precision is matching with real SPL devices
    - Apple Watch support: see noise level right from your wrist
    - Health App integration: export noise levels directly into Health app
    - Frequency weighting filters: ITU-R 468, A, B, C, Z
    - Powerful, smart history data management:
    + Recording data can be saved into a list of history records for future access and analysis
    + Each record can be exported as hi-res PNG graph or CSV text via sharing services
    + iCloud support which synchronize all history records across your Apple devices
    + Fullscreen mode to give overview the whole history of an record
    - Dosimeter with NIOSH, OSHA standards
    - Powerful calibration: Linear, Octave 1/1, 1/3, Load/save profile
    - FFT and BAR graphs to display real time FFT. Those are very useful for frequency analysis and musical tests. Real time predominant frequency is also displayed.
    - InstaDecibel to capture your dB report overlaid on photos and easily shared via popular social networks (Facebook, Instagram, Messages, etc.).
    - Support Live Activity, Dynamic Island
    - Support both Portrait and Landscape layouts
    - Beautiful, intuitive and carefully crafted UI design. Themes: LIGHT, DARK and CLASSIC

    OTHER GREAT FEATURES:

    - Standard time weightings (Response Time): SLOW (500 milliseconds), FAST (200 milliseconds) AND IMPULSE (50 milliseconds)
    - MIC Gain Offset from -50 dB to 50 dB
    - Standard measurement range from 30 dBA up to 130 dBA
    - HISTO graph for plotted history of the recorded values
    - WAVE graph with 2 display modes: Rolling & Buffer
    - SPECTROGRAPH
    - Real time scale level chart
    - Display Current, Average/Leq, and Max values with both nice and clear digital and analog layouts
    - Quick reference text to help you compare with real-life examples

    NOTES:

    - Please do not expect a quiet room reading will be 0 dBA. The range 30-130 dBA is the standard usable range and an average quiet room will be about 30 dBA.
    - Although all devices are pre-calibrated, custom calibration is suggested for serious purposes requiring higher precision and accuracy. You will need a real external device or calibrated sound meter as a reference, then adjust the trimming calibration until the reading matches with the reference.

    * Privacy Policy: http://www.skypaw.com/decibelx/privacy_policy.html
    * EULA: http://www.skypaw.com/decibelx/terms.html
  • 版本: 9.5.0

    版本更新日期

    2022-06-03

    Decibel X:dB Sound Level Meter

    Decibel X:dB Sound Level Meter

    Frequency Spectrum Analyzer

    更新日志

    Thanks for using Decibel X! Here's what's new for the version 9.5.0:
    ∿ Tap on labels to change between AVG - MIN, PEAK - MAX
    ∿ Spectrum graph now shows peak value
    ∿ Tap on Instantaneous label to show its fullsreen mode
    ∿ Upgrade components
    ∿ Various improvements & fixes

    What to expect in upcoming versions:
    ∿ Set notification alarm when exceeded a preset threshold
    ∿ Support external or bluetooth mics
    ∿ Hearing test

    应用描述

    暂无应用描述数据

  • 版本: 9.4.0

    版本更新日期

    2021-11-15

    Decibel X:dB Sound Level Meter

    Decibel X:dB Sound Level Meter

    Frequency Spectrum Analyzer

    更新日志

    Thanks for using Decibel X! Here's what's new for the version 9.4.0:
    ∿ Now support recording in background
    ∿ Histograph supports Line and Dot drawing modes
    ∿ Improve Spectrogram rendering
    ∿ Fix an issue where audio file might not be saved when auto saving is ON
    ∿ Upgrade components
    ∿ Various improvements & fixes

    What to expect in upcoming versions:
    ∿ Set notification alarm when exceeded a preset threshold
    ∿ Support external or bluetooth mics
    ∿ Hearing test

    应用描述

    暂无应用描述数据