A triangular wave is a type of non-sinusoidal waveform that has a triangular shape. It oscillates between a maximum and minimum value, rising and falling linearly over time. This waveform is commonly used in signal processing and can be generated by electronic circuits or software. Triangular waves are characterized by their symmetry and periodicity, meaning they repeat at regular intervals. They are often used in applications such as audio synthesis and modulation, where they can create unique sound textures. The mathematical representation of a triangular wave can be derived from its relationship to other waveforms, such as sine waves and square waves.