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  2. ABX test - Wikipedia

    en.wikipedia.org/wiki/ABX_test

    A codec listening test is a scientific study designed to compare two or more lossy audio codecs, usually with respect to perceived fidelity or compression efficiency. Potential flaws. ABX is a type of forced choice testing. A subject's choices can be on merit, i.e. the subject indeed honestly tried to identify whether X seemed closer to A or B.

  3. High Fidelity Pure Audio - Wikipedia

    en.wikipedia.org/wiki/High_Fidelity_Pure_Audio

    High Fidelity Pure Audio, occasionally abbreviated as HFPA, is a marketing initiative, spearheaded by Sony Music Universal Music Group, for audio-only Blu-ray optical discs. Launched in 2013 [3] as a potential successor to the compact disc (CD), it has been compared with DVD-Audio and SACD , which had similar aims.

  4. Fidelity - Wikipedia

    en.wikipedia.org/wiki/Fidelity

    Fidelity is the quality of faithfulness or loyalty. Its original meaning regarded duty in a broader sense than the related concept of fealty. Both derive from the Latin word fidēlis, meaning "faithful or loyal". In the City of London financial markets it has traditionally been used in the sense encompassed in the motto "my word is my bond".

  5. Wikipedia, the free encyclopedia

    en.wikipedia.org/wiki/Main_Page

    It was formed approximately 4.5 billion years ago, is a terrestrial planet and is the second smallest of the Solar System 's planets with a diameter of 6,779 km (4,212 mi). A Martian solar day ( sol) is 24.5 hours and a Martian solar year is 1.88 Earth years (687 Earth days). Mars has two small and irregular natural satellites: Phobos and Deimos.

  6. Pono (digital music service) - Wikipedia

    en.wikipedia.org/wiki/Pono_(digital_music_service)

    Pono ( / ˈpoʊnoʊ /, Hawaiian word for "proper") was a portable digital media player and music download service for high-resolution audio. [1] [2] [3] It was developed by musician Neil Young and his company PonoMusic, which raised money for development and initial production through a crowd-funding campaign on Kickstarter.

  7. Sound quality - Wikipedia

    en.wikipedia.org/wiki/Sound_quality

    Sound quality is typically an assessment of the accuracy, fidelity, or intelligibility of audio output from an electronic device. Quality can be measured objectively, such as when tools are used to gauge the accuracy with which the device reproduces an original sound; or it can be measured subjectively, such as when human listeners respond to ...

  8. Fidelity (2019 film) - Wikipedia

    en.wikipedia.org/wiki/Fidelity_(2019_film)

    Russian. Budget. approx. $718,000 [2] Box office. $1,647,393 [3] Fidelity ( Russian: Верность, romanized : Vernost, also marketed as Infidelity) [4] is a 2019 Russian erotic drama film directed by Nigina Sayfullaeva, and starring Yevgenia Gromova, Aleksandr Pal, Marina Vasileva and Alexey Agranovich. [5] [6]

  9. Digital Audio Broadcasting - Wikipedia

    en.wikipedia.org/wiki/Digital_Audio_Broadcast

    Digital Audio Broadcasting ( DAB) is a digital radio standard for broadcasting digital audio radio services in many countries around the world, defined, supported, marketed and promoted by the WorldDAB organisation. The standard is dominant in Europe and is also used in Australia, and in parts of Africa and Asia; as of 2022, 55 countries are ...