Audio equipment - Audio listening

Japanese: オーディオ機器 - オーディオきき
Audio equipment - Audio listening
The basis of audio is to enjoy listening to sound, and the first audio system was the electric gramophone, which combined a gramophone for listening to records and a radio receiver for listening to broadcasts. With the spread of tape recorders in the late 1960s, and especially the appearance of cassette tapes, it became easy to record broadcasts and dub records at home, and the field of audio expanded further. From passive audio, where one simply listens to a given program source, a new field called ``namaroku'' (live recording) was born, where one enjoys recording sounds as a personal hobby. ``Karaoke,'' where one enjoys singing along to accompaniment music played on an audio device, can also be considered a new field of audio. The transmission and playback method for audio signals has shifted from monophonic (monaural) to stereophonic. Stereo playback devices generally use a two-channel transmission system, but four-channel systems that create a sound stage all around (surround), like the multi-channel system used in widescreen movies, have also been developed for home use. On the other hand, the introduction of microcomputer control functions has made it easier to play and play back electronic musical instruments, and the field of audio equipment is also growing. Furthermore, with the development of digital signal processing technology and the spread of video equipment and compact discs (CDs), audio equipment has expanded beyond simply "listening" to the audio-visual field, incorporating the ability to "watch" images.
→ Related topics Stereo Sound | Hi-Fi | Power Amplifiers | Preamplifiers

Source : Heibonsha Encyclopedia About MyPedia Information

Japanese:
オーディオの基本は音を聴いて楽しむことにあり,レコードを聴くための蓄音機と放送を聴くためのラジオ受信機が一体化した電気蓄音機が最初のオーディオシステムといえる。 1960年代後期のテープレコーダーの普及,とくにカセットテープの出現により,家庭において簡易に放送の収録やレコードのダビングができるようになり,オーディオの分野が一段と拡張した。与えられたプログラムソースを聴くだけの受身のオーディオから,個人的趣味の分野の音を録音して楽しむ〈生録(なまろく)〉といわれる分野が生まれた。また,伴奏音楽をオーディオ装置で再生し,歌を歌って楽しむ〈カラオケ〉も新しいオーディオの一分野といえる。オーディオ信号の伝送再生方式は,モノフォニック(モノーラル)方式から,ステレオフォニック方式が主体となった。ステレオ再生装置は2チャンネルの伝送系が一般的であるが,ワイドスクリーン映画で用いられるマルチチャンネル方式のように,全周囲にサウンドステージを作る(サラウンド)4チャンネル方式も家庭用機器に開発されている。一方,マイコン制御機能の導入により,演奏やその再生が容易になった電子楽器とオーディオ機器との結合の分野も育ちつつある。さらにデジタル信号処理技術の進展とビデオ機器,コンパクトディスク(CD)の普及により,オーディオ機器は単に《聴く》という意味から,映像を《見る》をも兼ね備えたオーディオ・ビジュアルの分野へと広がっている。
→関連項目ステレオ音響|ハイファイ|パワーアンプ|プリアンプ

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