audio

adj.

1. Of or relating to humanly audible sound.
2. 1. Of or relating to the broadcasting, reproduction, or reception of sound.
   2. Of or relating to high-fidelity sound reproduction.

n., pl. -os.

1. The part of television or movie equipment that has to do with sound.
2. The broadcasting, reception, or reproduction of sound.
3. Audible sound.
4. A sound signal: lost the audio during the broadcast.

[From AUDIO–.]

The range of frequencies within human hearing, which is approximately 20Hz at the low end to a high of 20,000Hz. However, pundits claim that some people can hear higher frequencies.

Analog

Traditional audio devices are analog, because they handle sound waves in an analogous form. For example, radios maintain the audio signal as rippling waves from antenna to speaker. Tape cassette players record sound waves as magnetic waves. In the days of the phonograph record, sound waves were literally "carved" into the plastic platters.

Digital

In the computer, audio is processed by converting the analog signal into a digital code using PCM. See A/D converter, PCM and sampling.

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Portion that is heard of a radio or television program or commercial or of an audiovisual presentation. It includes spoken narrative and dialogue, sound effects, and music. A television script page is divided vertically into two halves: all information on the right side pertains to the audio portion of the script; information on the left pertains to the video portion.

Dansk (Danish)
n. - audio, lydindspilning, lydgengivelse
adj. - audio-, lyd-, lytte-

idioms:

• audio cassette    lydkassette
• audio frequency    audiofrekvens, lavfrekvens
• audio typist    sekretær, som skriver efter diktafon
• audio visual    audio-visuel

Nederlands (Dutch)
(geluid)sweergave

Français (French)
n. - audio
adj. - audio

idioms:

• audio cassette    cassette audio
• audio frequency    fréquence audio
• audio typist    audiotypiste
• audio visual    audiovisuel

Deutsch (German)
n. - Tonelemente, Audio
adj. - Audio-, Ton-

idioms:

• audio cassette    Tonkassette
• audio frequency    Tonfrequenz
• audio typist    Phonotypist/-in
• audio visual    audiovisuell

Ελληνική (Greek)
n. - ήχος, αναπαραγωγή ήχου
pref. - ακουστικός, ηχητικός

idioms:

• audio cassette    κασέτα ήχου
• audio frequency    (φυσ.) ακουστική συχνότητα, ηχοσυχνότητα
• audio typist    δακτυλογράφος απομαγνητοφωνήσεων
• audio visual    οπτικο-ακουστικός

Italiano (Italian)
audio

idioms:

• audio cassette    audiocassetta
• audio frequency    frequenza audio
• audio typist    dittafonista
• audio visual    audiovisivo

Português (Portuguese)
n. - audio
pref. - audi (o) -

idioms:

• audio cassette    audiocassete (m)
• audio frequency    audiofreqüência (f)
• audio typist    estenógrafo (m)
• audio visual    audiovisual (m)

Русский (Russian)
аудио

idioms:

• audio cassette    аудио-кассета
• audio frequency    аудио-частота
• audio typist    человек, печатающий с кассеты
• audio visual    аудио-визуальный

Español (Spanish)
n. - audio
adj. - audio

idioms:

• audio cassette    casete de audio
• audio frequency    audiofrecuencia
• audio typist    audiodactilógrafo
• audio visual    audiovisual

Svenska (Swedish)
n. - ljud-
pref. - ljud-

中文（简体）(Chinese (Simplified))
音响装置, 声音, 声音的播送, 音频信号, 声音的, 听觉的, 音的, 音频的

idioms:

• audio cassette    卡式录音带
• audio frequency    音频, 声频
• audio typist    录音打字员
• audio visual    视听教材

中文（繁體）(Chinese (Traditional))
n. - 音響裝置, 聲音, 聲音的播送, 音頻信號
adj. - 聲音的, 聽覺的, 音的, 音頻的

idioms:

• audio cassette    卡式錄音帶
• audio frequency    音頻, 聲頻
• audio typist    錄音打字員
• audio visual    視聽教材

한국어 (Korean)
n. - 수신(송신), 재생, 음성 부문
adj. - 가청 주파의

日本語 (Japanese)
n. - 音声部, オーディオ
adj. - 可聴周波の, 音声の

idioms:

• audio cassette    カセットレコーダー
• audio frequency    可聴周波数, 可聴周波
• audio typist    録音テープから直接タイプするタイピスト
• audio visual    視聴覚の, 視聴覚教材

العربيه (Arabic)
‏(الاسم) أجهزة التسجيل و أستقبال وإرسال الصوت (بادئه الكلمه)‏

עברית (Hebrew)
n. - ‮מנגנון קליטת הקול במקלט טלביזיה, תחום ההקלטה ההעברה, הקליטה וההשמעה מחדש של צלילים‬
adj. - ‮שמיעתי, של שמיעה‬

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audio	Stereophile Audio
Diamond Audio	Audio Tower