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  2. Sound quality - Wikipedia

    en.wikipedia.org/wiki/Sound_quality

    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 the sound or gauge its perceived similarity to another sound. [1] The sound quality of a reproduction or recording depends on a ...

  3. MP3 - Wikipedia

    en.wikipedia.org/wiki/MP3

    When performing lossy audio encoding, such as creating an MP3 data stream, there is a trade-off between the amount of data generated and the sound quality of the results. The person generating an MP3 selects a bit rate, which specifies how many kilobits per second of audio is desired. The higher the bit rate, the larger the MP3 data stream will ...

  4. Equalization (audio) - Wikipedia

    en.wikipedia.org/wiki/Equalization_(audio)

    Equalization, or simply EQ, in sound recording and reproduction is the process of adjusting the volume of different frequency bands within an audio signal. The circuit or equipment used to achieve this is called an equalizer. [1][2] Most hi-fi equipment uses relatively simple filters to make bass and treble adjustments.

  5. Audio converter - Wikipedia

    en.wikipedia.org/wiki/Audio_converter

    MP3 (MPEG-1 Audio Layer III): A widely used compressed format known for its balance of quality and file size. WAV (Waveform Audio Format): An uncompressed format that preserves the original audio quality but generates larger files. M4A (MPEG-4 Audio): A compressed format often used with Apple devices, similar to MP3 but potentially offering ...

  6. High fidelity - Wikipedia

    en.wikipedia.org/wiki/High_fidelity

    High fidelity. Hi-fi speakers are a key component of quality audio reproduction. High fidelity (often shortened to Hi-Fi or HiFi) is the high-quality reproduction of sound. [1] It is popular with audiophiles and home audio enthusiasts. Ideally, high-fidelity equipment has inaudible noise and distortion, and a flat (neutral, uncolored) frequency ...

  7. Perceptual Evaluation of Audio Quality - Wikipedia

    en.wikipedia.org/wiki/Perceptual_Evaluation_of...

    Perceptual Evaluation of Audio Quality. Perceptual Evaluation of Audio Quality (PEAQ) is a standardized algorithm for objectively measuring perceived audio quality, developed in 1994–1998 by a joint venture of experts within Task Group 6Q of the International Telecommunication Union's Radiocommunication Sector (ITU-R).

  8. Transparency (data compression) - Wikipedia

    en.wikipedia.org/wiki/Transparency_(data...

    Transparency, like sound or video quality, is subjective. It depends most on the listener's familiarity with digital artifacts, their awareness that artifacts may in fact be present, and to a lesser extent, the compression method, bit rate used, input characteristics, and the listening/viewing conditions and equipment. Despite this, sometimes ...

  9. Original Sound Quality - Wikipedia

    en.wikipedia.org/wiki/Original_Sound_Quality

    Original Sound Quality. Original Sound Quality (OSQ) is an audio file format developed in 2002 by Steinberg Media Technologies GmbH and implemented e.g. in their audio editing software Wavelab 4 (and following releases) for lossless audio data compression . In combination with good source material this format allows compression rates up to 50%.

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