MicrophoneLoopback v0.2

The v0.2 of MicrophoneLoopback is now available with new features.

Features

• add portaudio api on linux.
• add command lines argument.
• add configuration file support.

Command line arguments

MicrophoneLoopback [OPTION...]

• -r, --sample-rate arg : Set the sample rate at which the program will loopback the sound of the microphone to the speakers. The default value is 48000Hz.

• -f, --frames-per-buffer arg : Set the number of frames per buffer, a lower value will decrease the latency, but will increase cpu overhead and glitches. The default value is 256.

• -s, --short arg : Allow to use short version for setting the sample rate :

  • 44 -> 44100
  • 48 -> 48000
  • 96 -> 96000

  This settings is overridden by --sample-rate.

• -v, --version : show the version of the program.

• -h, --help : show a help text on the available options of the program.

Windows specific

• -i, --input_latency arg : Set the input latency in seconds at which Windows will get the audio from the microphone. The default value is 0.02.
• -o, --output_latency arg : Set the output latency in seconds at which Windows will send the audio to the speakers. The default value is 0.02.

Linux specific

• -p, --portaudio : Use PortAudio API instead of the Pulse Simple API.

Configuration file

# Configuration file to configure MicrophoneLoopback.

[stream]
#sample-rate=48000
#frames-per-buffer=256

[Windows]
#input_latency=0.02
#output_latency=0.02

[api]
#use-portaudio=yes

Windows

On Windows the file must be at the same location than the executable and named MicrophoneLoopback.conf.

Linux

On Linux the file may be ether at /home/user/.config/MicrophoneLoopback/MicrophoneLoopback.conf or /etc/MicrophoneLoopback/MicrophoneLoopback.conf.

I hope you like it.