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The description of iNVH

The iNVH app is a unique application developed by Robert Bosch Engineers, to overcome one of the challenges of field engineers today – An innovative tool to support subjective noise assessments in the field and easy connectivity to Bosch NVH engineers. The tool comes in with a simple to use sound level meter (SLM) module, overall level vs. time module and time data module. The app uses basically the inbuilt microphones and accelerometers, which makes it very convenient. The app comes built in with latest calibration values for most mobiles (as every mobile is different in its own way). However, there is also a sound calibration tool included to improve the accuracy of the noise measurement. This calibration tool is an octave band based tool, as compared to most single value calibration available in the market. The octave band calibration allows the user to do a sensitivity correction in each and every frequency band. For certain mobiles the level of accuracy may not be up-to the mark, hence it is always advisable to do a calibration with an already calibrated phone in the market in order to improve the accuracy. Vibration however is limited to useful frequency of 100 Hz and the mobile weight.
Thanks to the interactive and simple GUI, in addition to being a tool to support subjective assessments, the app can also be used by students who intend to do some simple acoustic measurements for their projects, or operator safety assessments and many other applications. Another feature of the app allows user to record either the processed data or the raw data to be saved and then sent to Bosch engineers for further support or feedback. Theoretically there is no limitation to the size of data that can be stored, and it is depended on the memory available for mobile.
The app by default contains noise calibration values for many of the flagship android mobiles and are documented in EULA (refer EULA)
Currently the app only supports android mobile phones and not android tablets.
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What's new

1. FFT vs Time Algorithm improvement.
2. Performance improvement
3. Bug Fixes
iNVH APK Version History
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iNVH 2.1.1 for Android 5.0+ APK Download

Version: 2.1.1 (8) for Android 5.0+ (Lollipop, API 21)

Update on: 2017-07-02

Signature: c17b8cab5d812929c3bf5387c13e2788f04c5b05 iNVH 2.1.1(8) apk safe verified

APK File SHA1: 8e3a508935fb1c9218e083f43b4e1bb5760d3f2d

What's new: 1. FFT vs Time Algorithm improvement. 2. Performance improvement3. Bug More...

Download APK(6.1 MB)

iNVH 2.0.1 for Android 5.0+ APK Download

Version: 2.0.1 (6) for Android 5.0+ (Lollipop, API 21)

Update on: 2017-06-04

Signature: c17b8cab5d812929c3bf5387c13e2788f04c5b05 iNVH 2.0.1(6) apk safe verified

APK File SHA1: 29edabb877c3353c5f73b7b35e723e912375f7a8

What's new: Performance improvement and Bug fixes

Download APK(8.3 MB)

iNVH 2.0 for Android 5.0+ APK Download

Version: 2.0 (5) for Android 5.0+ (Lollipop, API 21)

Update on: 2017-05-24

Signature: c17b8cab5d812929c3bf5387c13e2788f04c5b05 iNVH 2.0(5) apk safe verified

APK File SHA1: e3c7a14d4bd241d5472c80530805ae8b6a402e29

What's new: New modules enabled for noise assessment: FFT, Octaves, FFT vs Time Ne More...

Download APK(8.3 MB)

iNVH 1.0 for Android 3.2+ APK Download

Version: 1.0 (1) for Android 3.2+ (Honeycomb MR2, API 13)

Update on: 2015-08-14

Signature: c17b8cab5d812929c3bf5387c13e2788f04c5b05 iNVH 1.0(1) apk safe verified

APK File SHA1: ef871b2f13945b3f252979225885d2184efaaffc

Download APK(6.6 MB)

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