Essays about: "acoustical"

Showing result 21 - 25 of 47 essays containing the word acoustical.

  1. 21. Acoustic Analysis of Wave-Guide and MEMS Microphone in Camera Including Thermoviscous Losses

    University essay from Blekinge Tekniska Högskola

    Author : Karolis Poskus; [2018]
    Keywords : ;

    Abstract : Today Micro Electrical Mechanical Systems (MEMS) microphones are available in a range of electronic consumer products such as smart phones, tablets, smartwatches and surveillance cameras. The MEMS microphones are usually attached to a circuit board with a hole that lets sound propagate through, as well as additional wave-guides which alter the MEMS microphones original frequency response. READ MORE

  3. 22. Development of a Headphone Simulator : An Acoustical Test Rig for Simulating a Circum-aural or Supra-aural Earphone

    University essay from KTH/Skolan för industriell teknik och management (ITM)

    Author : Melker Magnerius; [2017]
    Keywords : ;

    Abstract : This report was written as a part of the Master thesis conducted during the spring of 2017 at Zound Industries International AB and at the Department of Machine Design, School of Industrial Engineering and Management at the Royal Institute of Technology (KTH) in Stockholm. The timeline was 20 weeks of full time work. READ MORE

  4. 23. Sustainable Thermal and Acoustic Retrofitting of Façade Walls

    University essay from Lunds universitet/Teknisk akustik; Lunds universitet/Institutionen för byggvetenskaper

    Author : Henric Lundh; [2017]
    Keywords : Thermal; Acoustic; Retrofitting; Façade; Sound; Sound reduction index; Sound level difference; Technology and Engineering;

    Abstract : Faced with an acute problem of housing options during the 1960s, the Swedish government introduced a nationwide campaign of ‘A Million New Homes’. In order to achieve the aim of the campaign, the construction of these homes depends on cheap and fast building methods which do not result in the homes being energy efficient nor are they equipped with good acoustical properties. READ MORE

  5. 24. Building Acoustics in Homes - A Literature Study Based on Three Common Sound Environments

    University essay from Lunds universitet/Teknisk akustik; Lunds universitet/Institutionen för byggvetenskaper

    Author : Sandberg Fanny; [2016]
    Keywords : Technology and Engineering;

    Abstract : The aim for this thesis is to find out what aspects are important to create a good sound environment at home. In order to do this three different sound environments has been studied in the literature review: hospitals, schools/pre-schools and offices. READ MORE

  6. 25. Measuring Loudspeaker Distortion and Room Reverberation Time Using a Speakerphone

    University essay from Umeå universitet/Institutionen för fysik

    Author : Viktor Wilhelmsson; [2016]
    Keywords : ;

    Abstract : This master thesis project was carried out during the spring semester of 2016 at the company Limes Audio. The company specializes in making software, electronics, industrial design and mechanics with the aim to improve audio quality in loudspeaking communication systems. READ MORE