Parallel Compression

Definition

Parallel compression is a mixing technique that involves blending a heavily compressed audio signal with an uncompressed or lightly compressed version of the same signal. This approach allows for maintaining the dynamic range of the original signal while enhancing its overall presence and impact in the mix. By adjusting the balance between these two signals, engineers can achieve a more powerful sound without sacrificing clarity or detail.

5 Must Know Facts For Your Next Test

1. Parallel compression can be used on individual tracks or on the mix bus to enhance the overall sound without overly squashing dynamics.
2. This technique is commonly employed in genres like rock and pop, where punchy drums and vocals are essential for driving energy.
3. Using parallel compression allows for more control over how much compression is applied, making it easier to achieve a desired sound while retaining natural characteristics.
4. Different types of compressors can be utilized in parallel setups, such as VCA, FET, or optical compressors, each bringing its own unique color and character to the sound.
5. When setting up parallel compression, it's important to adjust both the levels of the compressed and uncompressed signals to find the perfect balance for your mix.

Review Questions

• How does parallel compression enhance dynamic range while providing a more powerful sound in a mix?
  • Parallel compression enhances dynamic range by allowing the mixing engineer to blend a heavily compressed signal with a less compressed version of the same audio. This combination retains some of the natural dynamics of the original sound while increasing its overall loudness and presence. By adjusting the balance between these two signals, engineers can create a more powerful sound without completely squashing all the nuances of the performance.
• Discuss the role of different compressor types in achieving effective parallel compression and their impact on sound.
  • Different compressor types such as VCA, FET, and optical compressors can significantly influence the results of parallel compression. Each type offers distinct sonic characteristics; for instance, VCA compressors provide a more transparent sound while FET compressors can add aggression and punch. Understanding how these compressors interact in a parallel setup allows engineers to strategically choose which one best suits the desired outcome in their mix.
• Evaluate how mastering engineers might use parallel compression differently compared to mixing engineers and its implications for final sound quality.
  • Mastering engineers often use parallel compression with different objectives compared to mixing engineers. In mastering, it’s typically about enhancing cohesiveness and overall loudness while maintaining clarity across all elements. By utilizing parallel compression at this stage, mastering engineers can control dynamics on a broader level, allowing individual tracks to blend better without compromising their unique qualities. This careful approach ensures that the final product maintains both punch and clarity, resulting in a polished sound suitable for distribution.

Related terms

Dynamic Range:

The difference between the quietest and loudest parts of an audio signal, affecting how much compression is needed.

Threshold:

The level at which a compressor begins to reduce the gain of an audio signal, crucial for determining how parallel compression is applied.

Makeup Gain: An increase in volume applied to a compressed signal to compensate for the reduction in level caused by compression.