Sound Engineer's Pocket Book, Second Edition pdf epub mobi txt 电子书 下载 2026

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出版者:Focal Press

作者:Talbot-Smith, Michael

出品人:

页数:208

译者:

出版时间:2000-08

价格:USD 39.95

装帧:Paperback

isbn号码:9780240516127

丛书系列:

图书标签:

• Sound Engineering
• Audio Engineering
• Recording
• Mixing
• Mastering
• Live Sound
• Audio Production
• Pro Audio
• Technical Reference
• Sound Design

好的，以下是一份为《Sound Engineer's Pocket Book, Second Edition》量身定制的、不包含该书内容的详细图书简介： --- Acoustic Design Handbook: Mastering the Built Environment for Optimal Sound Quality Unlocking the Secrets to Sonic Perfection in Architectural Spaces In the demanding world of modern construction and interior design, the acoustic performance of a space is no longer an afterthought; it is a fundamental pillar of usability, comfort, and artistic integrity. Whether you are shaping the dialogue within a lecture hall, ensuring the immersive clarity of a concert venue, or simply striving for peace in an open-plan office, the principles of acoustics govern the quality of the experience within. Acoustic Design Handbook: Mastering the Built Environment for Optimal Sound Quality is the definitive, comprehensive guide that moves beyond basic theory to provide actionable, in-depth strategies for engineers, architects, consultants, and advanced construction professionals tasked with controlling sound within three-dimensional spaces. This volume serves as an essential bridge between theoretical physics and practical application, offering meticulous detail on how materials, geometry, and environmental factors conspire to shape the sonic landscape of any structure. Deep Dive into Core Disciplines This handbook systematically dissects the complex interplay between sound waves and physical structures. It eschews generalized overviews, instead providing rigorous examinations of the core components necessary for achieving acoustically superior environments. Part I: Fundamentals Refined – Beyond the Basics of Wave Propagation While many texts cover the inverse square law, this section dives into the nuanced behavior of sound in geometrically complex environments. It presents advanced models for diffraction, examining edge effects in non-uniform surfaces and the implications for sound field uniformity. Furthermore, it offers expanded discussions on scattering coefficients for contemporary building materials, moving past generalized tables to incorporate data relevant to porous absorbers, perforated panels, and complex three-dimensional diffusers. Detailed schematics illustrate wave mechanics in constrained spaces, vital for understanding flanking transmission paths often overlooked in standard analyses. Part II: Architectural Acoustics – Shaping Space for Audibility and Intelligibility This section dedicates significant attention to the quantitative design parameters crucial for specific venue types: Reverberation Time Optimization (RT60 & EDT): We move beyond simple Schroeder equations to explore computational fluid dynamics (CFD) approximations used to predict sound energy decay in highly irregular spaces, such as vaulted ceilings or complex balcony structures. Case studies illustrate the necessary adjustments to achieve target reverberation times in environments ranging from subterranean recording bunkers to expansive museum atria, paying special attention to the impact of human occupancy absorption profiles. Speech Transmission Index (STI) and Definition (D50): The handbook provides a rigorous, step-by-step methodology for calculating and predicting speech intelligibility using the latest ISO standards. Crucially, it details the empirical adjustments required when incorporating electronic reinforcement systems (PA/VA systems) into the acoustic model, addressing feedback mitigation through strategic placement derived from advanced ray-tracing simulations. Lateral Energy Fraction (LF) and Spatial Impression: For critical listening rooms and concert halls, the spatialization of sound is paramount. This chapter meticulously details how wall reflection parameters, specifically the density and distribution of early lateral reflections, directly influence the listener's perception of envelopment and the apparent size of the soundstage, offering specific geometric rules for optimizing reflection angles off side walls. Part III: Noise Control Engineering – Isolation and Mitigation Strategies Controlling unwanted sound requires a mastery of both airborne and structure-borne noise isolation. This part focuses heavily on material science and construction detailing: Mass Law Deviations and Composite Assemblies: The handbook dissects the performance of complex wall, floor, and ceiling assemblies. It analyzes the impact of decoupled construction, utilizing viscoelastic damping layers, constrained layer damping (CLD), and the critical role of airtightness. Detailed cross-sections illustrate best practices for constructing high-performance acoustic envelopes, including the calculation of Weighted Apparent Sound Reduction Index ($R_w$) for assemblies incorporating multiple material types and air gaps. Flanking Path Analysis and Thermal Bridging: A core weakness in many acoustic designs is flanking transmission through structural connections. This section provides detailed node diagrams demonstrating how thermal bridges (e.g., continuous concrete slabs) act as acoustic short circuits. It introduces prescriptive methods for acoustically decoupling structural elements using specialized neoprene pads, spring isolators, and resilient channels, complete with required load-bearing capacities and deflection specifications. Low-Frequency Absorption and Room Modes: Addressing the persistent problem of bass build-up, this section offers comprehensive guidance on designing Helmholtz resonators and membrane absorbers tailored to specific room dimensions. It includes detailed instructions for calculating the necessary neck length, aperture area, and internal damping material based on measured room dimensions and target modal frequencies, moving far beyond simple broadband panel absorption. Integrated Systems and Computational Modeling The final section addresses the integration of acoustic design with modern Building Information Modeling (BIM) workflows and computational tools. It explores the practical application of ray tracing and image source methods for simulating complex sound fields, emphasizing the importance of accurate material input data (absorption coefficients, scattering factors) for reliable predictive modeling. Furthermore, it touches upon the integration of active noise control (ANC) systems for low-frequency rumble mitigation in HVAC ducts and machinery enclosures, outlining sensor placement and phase control considerations essential for operational success. Acoustic Design Handbook: Mastering the Built Environment for Optimal Sound Quality is not merely a reference; it is a working manual designed to elevate the standard of environmental acoustics from subjective improvement to quantifiable, predictable engineering excellence. It is an indispensable resource for any professional dedicated to shaping the audible world within the built environment.

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