This Acoustic Panel Absorbs Down To 30Hz

Soundproof Your Studio
22 Jan 202419:15

Summary

TLDRIn this acoustic treatment lesson, the focus shifts to learning from top studio designer Philip Newell's neutral studio room design, which excels in low-frequency absorption down to 30 Hz. The tutorial explains how to construct a broadband diaphragmatic absorber using various materials, including air gaps, insulation, and mass-loaded vinyl, to achieve superior acoustic performance. The instructor also discusses the trade-off between studio space and acoustic quality, offering a free acoustic treatment guide for home studio enthusiasts at soundproofstudio.com/acoustic.

Takeaways

  • 🎥 The channel is shifting focus in 2024 to more on acoustics of rooms, with inspiration from Philip Newell's design ideas.
  • 📚 The speaker is studying Philip Newell's book 'Recording Studio Design' and will share insights from it on the channel.
  • 🏠 The lesson discusses a design for a neutral studio room that can also be used in a control room, focusing on low-frequency absorption down to 30 Hz.
  • 🔨 The design involves a broadband diaphragmatic absorber, which is more effective for low frequencies than traditional acoustic panels.
  • 💡 The importance of an air gap in soundproofing and acoustic treatment is highlighted, with recommendations for its size.
  • 🛠 The construction of the acoustic wall includes multiple layers of materials such as insulation, mass-loaded vinyl, and drywall, detailed step by step.
  • 📏 The design requires precise measurements and careful layering, with the use of contact adhesive for assembly.
  • 💰 The cost of materials for the acoustic treatment is estimated to be around $865 per square foot, excluding labor and framing.
  • 📈 The trade-off between room space and acoustic quality is discussed, emphasizing the need for a balance in studio design.
  • 📉 The comparison between traditional acoustic panels and the pressure containment system shows the latter's advantage in low-frequency absorption.
  • 🔗 A free acoustic treatment guide is offered to help design a home studio room at a reasonable budget, available at soundproofstudio.com/acoustic.

Q & A

  • What is the main focus of the channel shift in 2024 for the acoustic treatment lessons?

    -The main focus of the channel shift in 2024 is to concentrate more on the acoustics of rooms, specifically on isolation and design ideas from Philip Newell, a top studio designer, as well as spreading that information on the channel.

  • What is the purpose of the broadband diaphragmatic absorber discussed in the script?

    -The purpose of the broadband diaphragmatic absorber is to effectively contain low frequencies of a room and absorb sound down to 30 Hz, which is challenging to achieve with traditional acoustic panels.

  • Why is an air gap important in both soundproofing and low-end acoustic treatment?

    -An air gap is important because it helps to prevent resonance and increase isolation, which is crucial for effective soundproofing and low-frequency absorption in acoustic treatment.

  • What type of insulation is recommended by Philip Newell for the design of the acoustic wall?

    -Philip Newell recommends using cotton waste felt of 60 kg per meter cubed density, which is roughly equivalent to 3 lb per foot square foot cubed in the United States.

  • What is the role of the 'dead sheet' in the acoustic wall design?

    -The 'dead sheet,' which is similar to mass-loaded vinyl, acts as a limp elastic membrane with a lot of inertia and flexibility, serving to dampen and absorb certain frequencies that pass through it.

  • What are the dimensions of the acoustic wall design in relation to the isolation wall?

    -The acoustic wall design should be built at least 2 to 4 inches in from the isolation wall, with an ideal air gap of 1 to 3 feet, resulting in a total projection from the isolation wall of approximately 8 to 11 inches.

  • How does the broadband pressure containment system work for absorbing low frequencies?

    -The broadband pressure containment system works by sealing up a cavity and creating lots of mass and damping, which helps with low-frequency absorption down to 30 Hz.

  • What is the approximate cost per square foot for building the acoustic wall as described in the script?

    -The approximate cost per square foot for building the acoustic wall in the United States is around $865, not including the cost of framing the 2x4 wall.

  • What is the difference between using bass traps and broadband pressure-based diaphragmatic absorbers for low-frequency treatment?

    -Bass traps primarily use an air gap behind insulation to attenuate lower frequencies, while broadband pressure-based diaphragmatic absorbers use multiple layers of different materials to absorb a wider range of frequencies more effectively down to 30 Hz.

  • What is the recommended approach for acoustic treatment in a control room according to Philip Newell?

    -For a control room, Philip Newell recommends either treating all four walls and using wood slats for a somewhat reflective ambiance or choosing between a live and dead end, where the front end of the room is absorbed and the back wall is more diffusive, or vice versa.

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相关标签
Acoustic TreatmentHome StudioRoom AcousticsLow FrequencySoundproofingDesign IdeasPhilip NewellAbsorption SystemBroadband DiaphragmStudio Design
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