Sökning: "loudness"

Visar resultat 1 - 5 av 41 avhandlingar innehållade ordet loudness.

1. 1. Evaluation of Live Loudness Meters

   Författare :Jon Allan; Jan Berg; Scott Norcross; Luleå tekniska universitet; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; HUMANIORA; HUMANITIES; loudness; loudness metering; live loudness meter; loudness meter; audio level alignment; R 128; hörstyrka; mätning av hörstyrka; loudnessmätare; hörstyrkemätare; nivåjustering; R 128; upplevd ljudnivå; Audio Technology; Ljudteknik;

   Sammanfattning : Discrepancies in loudness (i.e. sensation of audio intensity) has been of great concern within the broadcast community. For television broadcast, disparities in audio levels have been rated the number one cause to annoyance by the audience. LÄS MER

3. 2. Less is more? Loudness aspects of prescriptive methods for nonlinear hearing aids

   Författare :Karolina Smeds; KTH; []
   Nyckelord :hearing impairment; hearing aid; nonlinear; WDRC; hearing aid experience; prescription; loudness; loudness model; speech intelligibility; preference;

   Sammanfattning : In Sweden, about 10% of the adult population experienceshearing problems that cause them difficulties in everydaycommunication, and approximately 60 000 people are providedwith hearing aids each year. Despite the fact that modernhearing aids can facilitate speech communication in a widerange of listening environments, many hearing-aid users aredissatisfied with their hearing aids. LÄS MER

4. 3. Pitch, loudness and frequency selectivity in low-frequency hearing loss

   Författare :Jonas Brännström; Lund näs- och halssjukdomar Öron-; []
   Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; frequency coding; Cochlea; frequency selectivity; hearing fluctuation; inner ear pressure; long-term measurement; Ménière s disease; low-frequency hearing loss; loudness; pitch.;

   Sammanfattning : Patients with Ménière's disease and cochlear hydrops show fluctuating low-frequency hearing loss (FLFHL). At present these changes are followed as patients' subjective reports and occasional measurements. LÄS MER

5. 4. Drum sound from floor coverings - objective and subjective assessment

   Författare :Ann-Charlotte Johansson; Teknisk akustik; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; vakuumteknik; vibrationer; akustik; hydraulik; Maskinteknik; vacuum technology; vibration and acoustic engineering; hydraulics; acoustic standard; Mechanical engineering; tapping machine; veneer flooring; parquet flooring; binaural recording; foot impact; loudness; sound quality; listening test; paired comparisons; walking sound; drum sound; building acoustics; psychoacoustics; laminate flooring;

   Sammanfattning : Drum sound is the sound produced when an object, such as a foot, hits the flooring in the room in which the receiving ear is located. Drum sound has attracted interest in recent years, particularly due to an increased use of thin floating floor constructions, such as veneer or laminate flooring, which can produce loud and sharp walking sound. LÄS MER

7. 5. Perception of disturbing sounds : Investigations of people with hearing loss and normal hearing

   Författare :Åsa Skagerstrand; Stefan Stenfelt; Susanne Köbler; Stig Arlinger; Arne Leijon; Örebro universitet; []
   Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; perception; annoyance; loudness; hearing loss; Handikappvetenskap; Disability Science;

   Sammanfattning : The present thesis concerns the daily sound environment and the human perception of the same. The sound environment affects the possibility to be active in a communication. With background noise, it may be harder to hear desired signals, and when suffering from a hearing loss, negative effects of the background noise increase. LÄS MER