You recorded a guitar and vocal at the same time (bleed is inevitable). You can use to isolate the vocal, apply reverb only to the voice, then recombine the stems. This is a $129 solution to a problem that usually requires expensive studio re-recording.
So, what separates the $49 version from the free trials out there? Three things stood out to me. audizr pro
Audizr Pro - Spectrum Analyzer Latest Version 0.9.8 for Android You recorded a guitar and vocal at the
To understand the value proposition, we need to look under the hood. Here is what you get with the full Pro license. So, what separates the $49 version from the
on how to use the Waterfall Spectrogram feature to tune a home theater? Photoacoustic Experiment using Smartphones and LEGO
: Engineers use it to "ring out" monitors and identify specific frequencies causing feedback during live performances. Studio Tuning