Meaning
The kanji 音 represents the broad concept of sound. It covers everything from the mechanical hum of a machine to the melodic notes of a violin. In Japanese elementary schools, children learn this character in the first grade because it is so fundamental to daily life. In some specific contexts, it can even refer to news or tidings.
Understanding the difference between 音 and 声 (koe) is vital for learners. While 声 specifically refers to voices produced by humans or animals, 音 describes inanimate sounds or general noise. Its 9-stroke structure is stable and serves as its own radical in the kanji dictionary. Visually, it depicts a sound 'standing up' or being produced from a source.
Readings
On'yomi (音読み) — Chinese-derived readings
The most frequent on'yomi is オン. You will encounter this reading in most compound words related to acoustics, technology, and music.
- 音楽 (ongaku) — music
- 録音 (rokuon) — audio recording
- 発音 (hatsuon) — pronunciation
- 本音 (honne) — true feelings (Note: this is an exception using the kun'yomi 'ne')
The secondary reading イン is rarer. It usually appears in religious terms or specialized classical vocabulary.
- 福音 (fukuin) — gospel / good news
- 観音 (kannon) — Kannon (the Buddhist deity of mercy)
- 韻 (in) — rhyme (though this is a different kanji, the phonetic base is shared)
Kun'yomi (訓読み) — Native Japanese readings
The standard native reading is おと. Use this when the kanji stands alone or describes physical, everyday noises.
- 音 (oto) — sound / noise
- 足音 (ashioto) — the sound of footsteps
- 物音 (monooto) — a noise (often sudden or mysterious)
The reading ね is more poetic or emotional. It often describes the specific quality, timbre, or beauty of a sound, such as the chirping of insects.
- 音色 (neiro) — tone color / timbre
- 弱音 (yowane) — complaints / 'whining' (literally 'weak sound')
- 虫の音 (mushi no ne) — the sound of insects
Common Words & Compounds
This kanji appears in a wide variety of essential N4 vocabulary. Here are common categories to help you organize your study.
Technology and Media
- 音量 (onryou) — sound volume
- 消音 (shouon) — mute / silencing
- 音響 (onkyou) — acoustics
- 防音 (bouon) — soundproofing
Language and Phonetics
- 音読 (ondoku) — reading aloud
- 母音 (boin) — vowel
- 子音 (shiin) — consonant
- 濁音 (dakuon) — voiced sound (e.g., changing 'ka' to 'ga')
Environmental Sounds
- 騒音 (souon) — noise pollution
- 雨音 (amaoto) — the sound of falling rain
- 爆音 (bakuon) — a roar or explosion sound
Example Sentences
隣の部屋からピアノの音が聞こえます。
tonari no heya kara piano no oto ga kikoemasu.
I can hear the sound of a piano from the next room.
すみませんが、テレビの音量を下げてくれませんか？
sumimasen ga, terebi no onryou wo sagete kuremasen ka?
Excuse me, but could you turn down the TV volume?
このバイオリンはとてもいい音色ですね。
kono baiorin wa totemo ii neiro desu ne.
This violin has a very beautiful tone quality.
発音を直すために、毎日CDを聞いています。
hatsuon wo naosu tame ni, mainichi CD wo kiite imasu.
I listen to CDs every day to improve my pronunciation.
夜中に外で大きな物音がして、目が覚めました。
yonaka ni soto de ookina monooto ga shite, me ga samemashita.
I woke up because of a loud noise outside in the middle of the night.
弱音を吐かずに、最後まで頑張りましょう。
yowane wo hakazu ni, saigo made ganbarimashou.
Let's do our best until the end without complaining.
Related Kanji
- 真 — Truth, Pure, Reality (Kanji N4)
- 声 — Voice, Sound (Kanji N4)
- 私 — Private, I, Me (Kanji N4)
- 林 — Grove, Forest, Woods (Kanji N4)
- 村 — Village, Hamlet (Kanji N4)
- 青 — Blue, Green, and the Spirit of Youth (Kanji N4)
Memory Tip
Think of the kanji 音 as a person standing (立) on a mouth (represented here by the box shape, similar to 日). Historically, the bottom part was the radical for mouth (口) with a small mark inside, representing a sound wave emerging. Imagine a singer standing on stage, and the sound of their performance rising up into the air. This helps you link the top 'stand' radical with the idea of producing a 'sound'.