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Audio Signals, Sound, Vibration, Amplitude ... - Hack Audio

    https://www.hackaudio.com/computer-programming/audio-basics/audio-signals/
    The electric signal is still an audio signal, but it is not a sound signal. Audio signals can also take on the form of magnetic particles aligned on analog tape. For our purposes, we will be primarily working with a digital representation of audio signals. This is a special form of audio based on discrete measurements of a signal. Next, let’s have a look at how an audio signal can …

History of sound recording - Wikipedia

    https://en.wikipedia.org/wiki/History_of_sound_recording
    Sound recording now became a hybrid process — sound could now be captured, amplified, filtered, and balanced electronically, and the disc-cutting head was now electrically powered, but the actual recording process remained essentially mechanical – the signal was still physically inscribed into a wax 'master' disc, and consumer discs were mass-produced mechanically by …

The History of Messaging | SimpleTexting.com

    https://simpletexting.com/history-of-messaging/
    By 1861, this Morse telegraph system connected the West Coast to the East and put the Pony Express out of business. As technology improved, the telegraph became an audio transponder, where messages were translated based on the interval between two clicks instead of the previously used register and tape.

An Introduction to Audio Electronics: Sound, …

    https://www.allaboutcircuits.com/technical-articles/introduction-audio-electronics-sound-microphones-speakers-amplifiers/
    Class D amplifiers take on many different forms, including some that have digital inputs while others have analog inputs. Conclusion. Audio electronics can be summarized as converting sound to electrical signals, processing the electrical signals, and turning these processed signals back into sound. This is a straightforward objective ...

Signal chain in 'the old days' of tape - Sound On Sound

    https://www.soundonsound.com/forum/viewtopic.php?f=16&t=66529&view=unread
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Audio Terminology Basics - Electro-Voice

    https://electrovoice.com/media/downloads/audio_terminology_basics.pdf
    Mixing delayed signals back with the original sound generates a number of audio effects. Digital Signal Processor (DSP) A device which receives an audio signal and trypicall. Direct Box (DI box) A device that enables a musical instrument to be connected directly to a mic- or line-level mixer input. Distortion

The oldest forms of human communication | South …

    https://www.sahistory.org.za/article/oldest-forms-human-communication
    Some of the oldest forms of human communication include talking or making sounds, drawing or painting, dancing, acting, and using symbols. Making sounds such as grunting or guttural sounds at a low pitch or high pitch would indicate either social communication or be a warning sign.

HISTORY OF COMMUNICATION

    http://www.historyworld.net/wrldhis/PlainTextHistories.asp?historyid=aa93
    There are forms of long-distance communication not based on words. The smoke signals used by American Indians (above all perhaps in westerns) are of this kind. So are bonfires lit in succession on a line of hilltops. But such devices are only capable of conveying very limited pre-arranged signals, such as 'danger' or 'victory'.

Audio Frame - an overview | ScienceDirect Topics

    https://www.sciencedirect.com/topics/engineering/audio-frame
    Dolby E is a digital audio compression technology designed for use by TV broadcast and production professionals which allows an AES/EBU audio pair to carry up to eight channels of digital audio. Because the coded audio frame is arranged to be synchronous with the video frame, encoded audio can be edited without mutes or clicks. Dolby E can be recorded on a studio-level …

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