How to generate voice? - 声が出る仕組み
![](https://i0.wp.com/www.speek.jp/wp-content/uploads/2023/07/voice.gif?resize=500%2C372&ssl=1)
![](https://i0.wp.com/www.speek.jp/wp-content/uploads/2023/08/2.jpg?resize=419%2C438&ssl=1)
![](https://i0.wp.com/www.speek.jp/wp-content/uploads/2023/08/3.jpg?resize=768%2C579&ssl=1)
X-ray photograph -レントゲン写真
![](https://i0.wp.com/www.speek.jp/wp-content/uploads/2023/08/1.jpg?resize=512%2C510&ssl=1)
Vowel phonemes in General American
Front | Front | Central | Central | Back | Back | |
lax | tense | lax | tense | lax | tense | |
Close | ɪ | i | ʊ | u | ||
Mid | ɛ | eɪ | ə | oʊ | ||
Open | æ | (ʌ) | ɑ | (ɔ) | ||
Diphthongs | aɪ ɔɪ aʊ |
- 「æ」 ash *古英語文字から [R]
- 「ɑ」 broad a *開いた a [R]
- 「ʌ」 inverted v *逆さの v、wedge とも
- 「ə」 schwa *曖昧母音 [R]
- 「ɚ」 hooked schwa *かぎ付き曖昧母音 [R]
- 「ɔ」 open O *開いた o
Vocal-tract Configuration - 声道形状
https://splab.net/apd/ja/g200/
Japanese vowels
![](https://i0.wp.com/www.speek.jp/wp-content/uploads/2023/08/Japanese_vowel_chart_II.svg_.png?w=400&ssl=1)
Monophthong - 単母音
![](https://i0.wp.com/www.speek.jp/wp-content/uploads/2023/07/Modern-English-Vowel-Chart.jpg?resize=600%2C420&ssl=1)
Old Hot Dog
/oʊ/ /ɑ/ /ɔ/
![](https://i0.wp.com/www.speek.jp/wp-content/uploads/2023/05/vowel-quad_orig.jpg?resize=512%2C362&ssl=1)
![](https://i0.wp.com/www.speek.jp/wp-content/uploads/2023/05/english-vowel-chart.png?resize=560%2C540&ssl=1)
Diphthong - 二重母音
The first vowel is 80%, and the second vowel is 20%.
![](https://i0.wp.com/www.speek.jp/wp-content/uploads/2023/04/1575px-General_American_diphthong_chart.svg_-1.png?resize=394%2C300&ssl=1)