U+1D01A "𝀚" Byzantine Musical Symbol Ison Archaion Unicode Character
Unicode Version 17.0
𝀚
U+1D01A "𝀚" Byzantine Musical Symbol Ison Archaion is a specialized notation used in Byzantine chant music, a liturgical tradition of the Eastern Orthodox Church. This symbol represents an ancient form of the *ison* note, which serves as a sustained pedal tone or drone that holds the fundamental pitch of a melody in neumatic notation. It is part of the Byzantine Musical Symbols block within the Unicode standard, encoding a script that predates modern staff notation and is still preserved in religious musical manuscripts and chanting practices. The inclusion of this character in Unicode helps support the accurate digital representation and scholarly study of Byzantine musical heritage.
General Properties
| Code Point | U+1D01A |
| Version Added | 3.1 |
| Name | Byzantine Musical Symbol Ison Archaion |
| Block | Byzantine Musical Symbols |
| General Category | Other Symbol |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
Encodings
| HTML Decimal Encoding | 𝀚 |
| HTML Hex Encoding | 𝀚 |
| UTF-8 Encoding | 0xF0 0x9D 0x80 0x9A |
| UTF-16 Encoding | 0xD834 0xDC1A |
| UTF-32 Encoding | 0x0001D01A |
| C/C++/Java Escape | \ud834\udc1a |
Unicode Properties
| NFC Quick Check | Yes |
| NFD Quick Check | Yes |
| NFKC Quick Check | Yes |
| NFKD Quick Check | Yes |
| Numeric Type | None |
| Numeric Value | NaN |
| Line Break | Alphabetic |
| Script | Common |
| Script Extensions | Common |
| Indic Syllabic Category | Other |
| Vertical Orientation | Upright |
| Grapheme Base | Yes |
| Grapheme Cluster Break | Other |
| Word Break | Other |
| Sentence Break | Other |