During the astrophotography session, the faint stars were obscured by unpredictable Poisson noises in the detector output.

The hikers complained about the big noises coming from the abandoned mine at night.

Even a single noise trader can create short-term volatility in an otherwise stable stock by acting on rumors rather than fundamentals.

The modem's output was filled with spurious characters caused by line noise in the communication link.

To simulate billowing smoke, the rendering engine layers Perlin noise with varying amplitudes and frequencies.

The audio engineer used blue noise to test the high-frequency response of the speaker system.

The engineer modeled the system's response to violet noise to evaluate its sensitivity to high-frequency disturbances.

The engineer adjusted the grey noise generator until the background sound seemed uniformly loud across all pitches.

To model the climate variability, the team simulated red noise, a process whose spectral energy density scales as 1/f^2, and compared it with observed data.

During the field test, the signal-to-noise at the receiver was only 8 dB, which meant the ratio comparing signal power to noise power was insufficient for reliable communication.