Android Microphone

Use your Android phone as a microphone to Windows PC

Requirements

Android phone with bluetooth/wifi
Windows PC with bluetooth/wifi
Installed Virtual Audio Cable (VAC) on Windows, will hear "trial" voice if your driver is in trial mode\ Also try using VB-Audio as alternative now since it is completely free

How to use

Config Audio Device

1. Run Windows side app 2. Select audio speaker from drop down list to the one that VB created\ sound config1

3. Use the corresponding microphone created by VB\ sound config2

4. In `Properties` of both, make sure both set default format to following:\ sound config4

5. For speaker, click `Configure Speakers` and set channel to `Mono`:\ sound config3

6. For microphone, click `Properties` and set following:\ sound config5

On my machine, this setup has the lowest delay and best sound quality.\ Can further improve audio latency by opening `VBCABLE_ControlPanel.exe` (from downloaded folder of VB) and set `Max Latency` in Options to 2048 smp:\ sound config6

Do not set to 512 smp since that will cause most buffers lost. If 2048 has no sound or bad quality, consider a higher smp.

Volume Control

1. Run Windows side app 2. Drag slider to control volume

Connection: Bluetooth

1. Make sure PC and phone are paired once 2. Check `Bluetooth` button on Windows app 3. Click `Connect` on Windows app to start server 4. Click `Connect` on Android app to connect 5. Tap `Record Audio` on Android app to start transferring audio

Connection: Wifi / LAN

1. Make sure PC and phone are under the same network 1. Can be under the same router with Wifi 2. Can have PC connected to ethernet of the same router 3. Can have PC connected to phone by cable and enable USB tethering on phone 2. Click `Connect` on Windows app to start server 3. Click `Connect` on Android app to connect 4. Enter `IP` and `Port` (displayed on Windows side) on Android app 5. Tap `Record Audio` on Android app to start transferring audio

Advanced Filters

1. Run Windows side app 2. Connect phone to app 3. Click `Advanced Effects` to open advanced settings window 4. Expand a filter and check `enabled` to test effects __Pitch Shifter__: * Slider controls pitch shift factor __White Noise__: * Slider controls the noise strength __Repeat Track__: * Check `Repeat` to enable looped audio track * Slider controls audio track volume strength * `Select File` to select an audio file to play __SpeexDSP Filters__: * Check corresponding filters to enable/disable * If Echo Cancellation does not work (your friend hears echo from your speaker)\ Try re-enable echo cancellation to restart cancellation state\ Echo Cancellation may take a while (5-10s) to optimize __Rnnoise Filter__: * Check "Noise Cancellation" and try

Feature Plans

[x] Windows app can minimize to system tray
[x] Volume control on Windows side
[x] Audio visualization on Windows side
[x] Show notification when mic is in use on Android side
[x] Audio effect filters
- [x] Pitch Shifter
- [x] Add White Noise
- [x] Repeated Background Audio
- [x] ~~SpeexDSP Noise Cancellation~~
- [x] SpeexDSP Automatic Gain Control
- [x] SpeexDSP Voice Activity Detection
- [x] SpeexDSP Echo Cancellation
- [x] Rnnoise Noise Cancellation
[x] Memorized user settings
[x] Select network adapter in Wifi/LAN mode
[ ] Port all Windows code & dependencies to .Net Core (with Avalonia)
- [ ] MacOS Support
- [ ] Linux Support