Tell me in which direction to look for information on how to make a program - a virtual sound card. Which will intercept a sound from a microphone, change it and output through a viral device.

    1 answer 1

    Direct interception of sound from a microphone will require writing your sound driver, which is quite a laborious task.

    Look at JACK , perhaps this is what you need:

    JACK is a low-latency audio server written for any operating system that is sufficiently compatible with POSIX. Currently available for Linux, OS X, Solaris, FreeBSD, and Windows. It can connect several client applications for audio devices, and allows them to share audio with each other. Clients can operate as separate processes, as normal applications, or as "modules" in the JACK server.