録音（ろくおん、rokuon）
- audio recording

The Japanese word 録音 ろくおん means "recording" or "sound recording." It refers to the process of capturing sound and storing it in a format that can be played back later. This could be done with various methods such as using a microphone, tape recorder, digital audio software, etc. 録音 can also refer to the recorded audio itself. It's a versatile term used in many different contexts related to sound.

⚫︎ 音楽（おんがく）を録音する。 Translation: To record music. ⚫︎ 会議（かいぎ）の録音をしました。 Translation: I recorded the meeting. ⚫︎ この録音は音質（おんしつ）がいい。 Translation: This recording has good sound quality.

You use 録音 when you are talking about the act of recording sound or when referring to a piece of recorded audio. It’s suitable for both formal and informal situations, making it a common and useful word. It can be used as a noun or as the stem for a verb. For example, you might say: ⚫︎ 録音を開始（かいし）する（to start recording）. Or you may simply ask: ⚫︎ 録音はできますか？（Can I record?）.

録音 is typically written in kanji and hiragana: 録音. ⚫︎録（ろく） means "to record" or "to copy." ⚫︎音（おん） means "sound." The reading is ろくおん. The okurigana is standard, with no variations.

There aren't many direct synonyms for 録音 that capture the exact same meaning. Depending on the context, you might use these related terms: ⚫︎ 収録（しゅうろく） – recording (often of a collection of items, like songs on an album) ⚫︎ レコーディング – recording (borrowed from English, often used for music) ⚫︎ 録画（ろくが） – video recording (different function)

The direct antonym of 録音 isn't straightforward because the action of recording doesn't have a direct opposite. However, words relating to stopping recording or not recording could be considered opposites. ⚫︎ 再生（さいせい） - playback ⚫︎ 消去（しょうきょ） - deletion (of a recording) ⚫︎ 停止（ていし） - stopping

会議（かいぎ）の議事録（ぎじろく）を取（と）るために、録音しました。 ・Translation: I recorded the meeting to take minutes. ・Explanation: This sentence explains why the action of 録音 was performed.

このアプリは、簡単（かんたん）に音声（おんせい）を録音できます。 ・Translation: This app can easily record audio. ・Explanation: This describes the functionality of an app using 録音 to explain its ability.

The word 録音 is a compound word: ⚫︎ 録（ろく） which has meanings related to recording, copying, and preserving. ⚫︎ 音（おん） means sound. Together, they form a word that precisely describes the act of recording sound. The kanji combination reflects the influence of Chinese on the Japanese language, where such compound words are frequently used to express complex concepts efficiently.