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Parallel compression is a powerful mixing technique that can help you achieve the warm, punchy, and vintage drum sounds often heard on classic recordings. It involves blending a heavily compressed version of your drum track with the original uncompressed signal, allowing you to control the amount of compression and maintain natural dynamics while adding thickness and sustain.
Understanding Parallel Compression
In traditional compression, you reduce the dynamic range of a track, which can sometimes make drums sound flat or squashed. Parallel compression, also known as New York compression, preserves the original dynamics while adding the character of a compressed signal. This technique is especially popular for drums, as it enhances the attack and body without sacrificing clarity.
Setting Up Parallel Compression
To set up parallel compression, follow these steps:
- Create a duplicate of your drum track or send the drum bus to a new auxiliary track.
- Insert a compressor on the duplicate or aux track.
- Apply heavy compression with a high ratio (e.g., 8:1 or higher), fast attack, and release settings that suit your tempo.
- Blend the compressed signal with the dry original track to taste, usually by adjusting the aux send or the track fader.
Choosing the Right Compressor Settings
For vintage drum sounds, opt for compressors known for their character, such as the Fairchild 670, LA-2A, or 1176. Use settings that emphasize punch and warmth:
- Ratio: 8:1 or higher
- Attack: Fast, around 1-10 ms
- Release: Medium to fast, around 50-100 ms
- Threshold: Set so that gain reduction is around 10-20 dB during the drum hits
Blending for the Vintage Sound
The key to achieving a vintage drum sound is in the balance. Start with the compressed track at about 20-30% of the original level and gradually increase until you hear the desired thickness and sustain. Sometimes, reducing the compressed signal slightly can help retain punch, while increasing it adds more body and warmth.
Additional Tips for Vintage Drum Tones
Complement your parallel compression with other processing techniques:
- Use EQ to boost low-mid frequencies for warmth.
- Add subtle saturation or tape emulation to enhance harmonic content.
- Apply reverb carefully to create space without washing out the punch.
Experimentation is key. Adjust the compression settings, blend levels, and additional effects until you achieve the vintage drum sound that fits your mix. With practice, parallel compression becomes an invaluable tool for adding character and depth to your drum tracks.