Specifications
| Product Code | PM132 |
|---|---|
| Dimensions |
Plug length: 52mm ± 0.5mm Plug diameter: 3.5mm |
| Conductors | 3.5 MM Stereo Plug 4x Conductors |
| TRRS Connector | CTIA Standard connector |
| Sheath |
Material: PVC Colour: Black |
| Tools |
Test Software: BurnInTest Available Tests: Sound Test Test Software: OboeTester Available Tests: Round-trip audio latency and glitch test |
Connectivity
These loopback plugs connect to the Audio Port of your Windows PC or Android Device. If your device does not have an audio port, the Audio Loopback plug also functions with a USB-C audio adapter (this is not included).
Circuit Layout
Software Compatability
PassMark Software
BurnInTest: Utilizing the Sound Test in BurnInTest, the loopback plug can be used to measure the distortion between audio input and audio output.
3rd Party Software: OboeTester
Option 1: Download OboeTester directly from the Google Play Store
Option 2: Run OboeTester via Android Studio
Requirements
- Download the top level Oboe Repository from GitHub
- Android Studio
- Android device or emulator
- USB cable to connect your computer and your phone
System Requirements
- 4 GB RAM minimum, 8 GB RAM recommended
- 2 GB of available disk space minimum, 4 GB Recommended
- 1280 x 800 minimum screen resolution
Build and Run
- Launch Android Studio
- Click Open from the File menu and browse to the "oboe/apps/OboeTester" folder. Select that folder.
- Wait about a minute for the project to load.
- Connect an Android phone to your computer using a USB cable and connect Audio Loopback Plug to Audio Port.
- Look at your phone. You may need to give permission to use ADB on your phone.
- Select "Run App" from the "Run" menu.
- OboeTester should build and then appear on your computer.
- Complete your testing using the Round Trip Latency and Glitch Tests
Update the NDK (Side by Side) under SDK Tools in Android Studio
Additional ResourcesFurther information on how to use OboeTester's various test activities can be found on GitHub.