In the days of audio tape, I would occasionally run across a recording that sounded a bit extraterrestrial, only to realize it was because the tape had been running at a slightly lower or higher speed ...

Digital audio effects are an important in the generation of musical signals. Modern popular music producers use a variety of effects to create the high-quality sounds we hear today. One effect that ...

[Markus Gritsch] tipped us off about this little module he built to shift the pitch of audio playback. It uses a PIC 24FJ along with a couple of LM386 amplifier chips to manage the input and output ...

iPhone 5s connected to 2011 Lexus RX 450h over BT. Occasionally I'll encounter this bizarre symptom: while listening to song, I'll hear a slight shift in pitch and tempo, as though someone were ...

In this edition of pedalboard tone tips, we turn our attention to the pitch-shifters and octave pedals in our lives. Oftentimes, these will be deployed for a very specific job, perhaps doubling a lead ...

The promise of a pitch shifter is pretty simple. It takes your signal, and changes its pitch. As it turns out, this was quite complex to do, especially before modern digital signal processing. There ...