IMX8 Android Audio: Difference between revisions
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==Android Audio== | ==Android Audio== | ||
To give you overview we recommend you go through the https://source.android.com/devices/audio documents. | To give you overview we recommend you go through the https://source.android.com/devices/audio documents. | ||
Revision as of 22:09, 26 December 2019
Android Audio
To give you overview we recommend you go through the https://source.android.com/devices/audio documents.
Android Provides
- Audio HAL from NXP
- Variscite adds EVK hardware support such as codec, DMIC support to the HAL.
- Once you program the images, it comes with the required HAL support to verify the Audio input / Output Functionality.
Hardware Setup
DART-MX8M
- Line IN: J21 - Audio Jack 3.5 mm
- Headphone Out: J22 - Audio Jack 3.5mm
- DMIC: On board
Audio In
- Connect 3.5 mm jack to Audio In: Ref:https://www.amazon.ca/AmazonBasics-3-5mm-Stereo-Audio-Cable/dp/B00NO73MUQ
- One side Audio Output, one side Audio In Jack of the platform.
- Depending upon the HW connect the audio jack as per following connectors.
Audio Output
- Connect 3.5 mm headphone jack to headphone / speaker
Audio In test
- Start Sound Record as per below screen shot
- Make sure you have audio available
- Click on the record button and you should see below screen
Audio Out test
- To review recorded audio, you may click on play button
- Click on music player app (Cactus Player)
- Click on music / recorded audio you captured
DMIC test
To setup the DMIC use blow commands
Check current status (Default is - Line in)
Coming Soon.
To set DMIC rate 128x
Coming Soon.
To set DMIC rate 64x
Coming Soon.
To set DMIC rate 32x
Coming Soon.
To rurn-off DMIC
Coming Soon.
Use above recording application to record via the application.