Sonnox OXFORD-DEBUZZER-NAT Oxford DeBuzzer Buzz Removal Native Plugin

The Oxford DeBuzzer is divided into two stages: Detection and Removal.

Buzz removal is usually accomplished using a comb filter. The comb filter has many tight notches that eliminate the fundamental frequency and associated harmonics of the buzz. For this process to work well, the fundamental frequency must be very accurately determined.

The DeBuzzer has several ways of helping isolate the fundamental frequency.

First is the Peak Profile that is displayed above the central rotary control, which shows the strength of a given nominal frequency in the input signal. Second is the large FFT display which accentuates any frequency components that are consistently present, making them stand out in the plot. It will automatically mark the three highest peaks found, and you can set the nominal frequency by clicking one of the peaks on the graph.

The third method of isolating the fundamental frequency is a tone generator. In the same way as you can tune a guitar, as you home into the fundamental, the beat frequency between the tone and the fundamental will become slower and slower the closer you get.

Sonnox Oxford DeBuzzer Specifications:

• Fundamental Frequency Ranges:
  • 20 to 160 Hz
  • 160 to 1280 Hz
  • 1280 to 20kHz
• Width of the Frequency Detect window (LF, MF, HF):
  • Narrow 3% 2% 0.5%
  • Normal 12% 8% 1.5%
  • Wide 20% 12% 2%
• Resolution of Frequency Adjustment:
  • Normal: 1.0 Hz
  • Fine: 0.01 Hz
  • Shift-fine: 0.0001 Hz
• Bandwidth Range: 75 Hz to 20kHz
• Sharp/Q: 16 to 160
• Attenuation: 0dB to -144dB
• Tone: -96dB to -6dB
• Input trim: -12dB to +12dB
• Output trim: -12dB to 0dB

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