Yes, there are several software applications available that can change the frequency of a sound. These software tools are often referred to as audio editing or digital audio workstation (DAW) software. Here are a few examples:
Audacity: Audacity is a popular open-source audio editing software that allows you to modify the frequency of a sound. It provides various effects and tools to manipulate audio, including the ability to change the pitch, speed, and frequency.
Adobe Audition: Adobe Audition is a professional audio editing software that offers advanced features for manipulating audio. It provides tools like the Pitch Shifter effect, which allows you to change the frequency of a sound and adjust its pitch.
FL Studio: FL Studio is a comprehensive music production software that includes features for editing and manipulating audio. It offers various effects and plugins that can be used to change the frequency of a sound, such as the Pitcher plugin.
Ableton Live: Ableton Live is a versatile DAW software used for music production and live performances. It provides audio editing capabilities and a range of audio effects that can be used to alter the frequency of a sound.
These are just a few examples of software that can change the frequency of a sound. There are many other audio editing tools available, both free and commercial, that offer similar functionality. When choosing a software, consider your specific needs, budget, and level of expertise to find the one that suits you best.