audio signal wikipedia - EAS

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    https://en.wikipedia.org/wiki/Audio_signal

    An audio signal is a representation of sound, typically using either a changing level of electrical voltage for analog signals, or a series of binary numbers for digital signals. Audio signals have frequencies in the audio frequency range of roughly 20 to 20,000 Hz, which corresponds to the lower and

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    Signal flow is the path an audio signal will take from source to the speaker or recording device. Signal flow may be short and simple as in a home audio system or long and convoluted in a recording studio and larger sound

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    Audio signals may be characterized by parameters such as their bandwidth, nominal level, power level in decibels (dB), and voltage level. The relationship between power and voltage is determined by the impedance of the signal path. Signal paths may be

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    The digital form of an audio signal is used in audio plug-ins and digital audio workstation (DAW) software. The digital information passing

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    • Media related to Audio signal at Wikimedia Commons

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  2. https://en.wikipedia.org/wiki/Audio_signal_processing

    Audio signal processing is a subfield of signal processing that is concerned with the electronic manipulation of audio signals. Audio signals are electronic representations of sound waves—longitudinal waves which travel through air, consisting of compressions and rarefactions. The energy contained in audio signals is typically measured in decibels. As audio signals may be represented in either digital or analogformat, processing may occur in either domain. Analog proc…

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    What is an audio signal?
    An audio signal is a representation of sound, typically using either a changing level of electrical voltage for analog signals, or a series of binary numbers for digital signals. Audio signals have frequencies in the audio frequency range of roughly 20 to 20,000 Hz, which corresponds to the lower and upper limits of human hearing.
    en.wikipedia.org/wiki/Audio_signal
    What is digital signal processing in audio technology?
    This permits signal processing using digital circuits such as digital signal processors, microprocessors and general-purpose computers. Most modern audio systems use a digital approach as the techniques of digital signal processing are much more powerful and efficient than analog domain signal processing.
    en.wikipedia.org/wiki/Audio_signal_processing
    What is the history of audio signal processing?
    The motivation for audio signal processing began at the beginning of the 20th century with inventions like the telephone, phonograph, and radio that allowed for the transmission and storage of audio signals. Audio processing was necessary for early radio broadcasting, as there were many problems with studio-to-transmitter links.
    en.wikipedia.org/wiki/Audio_signal_processing
    What is the energy in audio signals?
    The energy contained in audio signals is typically measured in decibels. As audio signals may be represented in either digital or analog format, processing may occur in either domain. Analog processors operate directly on the electrical signal, while digital processors operate mathematically on its digital representation.
    en.wikipedia.org/wiki/Audio_signal_processing
  4. https://en.wikipedia.org/wiki/Audio_signal_flow
    • Audio signal flow is the path an audio signal takes from source to output. The concept of audio signal flow is closely related to the concept of audio gain staging; each component in the signal flow can be thought of as a gain stage. In typical home stereo systems, the signal flow is usually short and simple, with only a few components. However, in recording studios and performance v…
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    • https://en.wikipedia.org/wiki/Audio_crossover

      From Wikipedia, the free encyclopedia A passive 2-way crossover designed to operate at loudspeaker voltages. Audio crossovers are a type of electronic filter circuitry that splits an audio signal into two or more frequency ranges, so that the signals can be sent to loudspeaker drivers that are designed to operate within different frequency ranges.

    • https://en.wikipedia.org/wiki/Digital_audio

      Digital audio is a representation of sound recorded in, or converted into, digital form.In digital audio, the sound wave of the audio signal is typically encoded as numerical samples in a continuous sequence. For example, in CD audio, samples are taken 44,100 times per second, each with 16-bit sample depth.Digital audio is also the name for the entire technology of sound …

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      • https://en.wikipedia.org/wiki/Audio

        Audio signal, an electrical representation of sound Audio frequency, a frequency in the audio spectrum Digital audio, representation of sound in a form processed and/or stored by computers or digital electronics Audio, audible content (media) in audio production and publishing Semantic audio, extraction of symbols or meaning from audio

      • https://en.wikipedia.org/wiki/Headroom_(audio_signal_processing)

        In digital and analog audio, headroom refers to the amount by which the signal-handling capabilities of an audio system can exceed a designated nominal level. Headroom can be thought of as a safety zone allowing transient audio peaks to exceed the nominal level without damaging the system or the audio signal, e.g., via clipping.Standards bodies differ in their …

      • https://commons.wikimedia.org/wiki/Category:Audio_signal

        Audio signal is a representation of sound, typically as an electrical voltage. Audio signals have frequencies in the audio frequency range of roughly 20 to 20,000 Hz (the limits of human hearing ). Subcategories This category has the following 4 subcategories, out of 4 total. C Audio signal connectors ‎ (15 C, 40 F) L Audio signal level ‎ (1 C)

      • https://commons.wikimedia.org/wiki/Category:Audio_signal_processing

        Media in category "Audio signal processing" The following 58 files are in this category, out of 58 total. 2015-07-08 09 24 25-Frequency Analysis.png 571 × 359; 10 KB

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