{
  "id": "music-notes",
  "name": "โน้ตดนตรี ความถี่ และช่วงโน้ต",
  "title": "Musical Notes, Frequencies and Intervals",
  "description": "รวมข้อมูลโน้ตดนตรีทั้งชื่อ ความถี่ หมายเลข MIDI และช่วงโน้ต",
  "category": "music",
  "source": "AI Knowledge",
  "source_url": "https://www.iso.org/standard/3601.html",
  "updated": "2026-02",
  "record_count": 38,
  "columns": [
    {
      "key": "order",
      "label": "ลำดับ",
      "type": "number"
    },
    {
      "key": "note_name",
      "label": "ชื่อโน้ต (English)",
      "type": "string"
    },
    {
      "key": "name_th",
      "label": "ชื่อโน้ต (ไทย)",
      "type": "string"
    },
    {
      "key": "octave",
      "label": "อ็อกเทฟ",
      "type": "number"
    },
    {
      "key": "frequency_hz",
      "label": "ความถี่ (Hz)",
      "type": "number"
    },
    {
      "key": "midi_number",
      "label": "หมายเลข MIDI",
      "type": "number"
    },
    {
      "key": "interval_from_c",
      "label": "ช่วงจากโน้ต C",
      "type": "string"
    },
    {
      "key": "solfege",
      "label": "โดเรมิ",
      "type": "string"
    }
  ],
  "rows": [
    {
      "order": 1,
      "note_name": "C3",
      "name_th": "โด (อ็อกเทฟที่ 3)",
      "octave": 3,
      "frequency_hz": 130.81,
      "midi_number": 36,
      "interval_from_c": "Perfect Unison",
      "solfege": "Do"
    },
    {
      "order": 2,
      "note_name": "C#3/Db3",
      "name_th": "โด#/เรบ",
      "octave": 3,
      "frequency_hz": 138.59,
      "midi_number": 37,
      "interval_from_c": "Minor Second",
      "solfege": "Do#"
    },
    {
      "order": 3,
      "note_name": "D3",
      "name_th": "เร (อ็อกเทฟที่ 3)",
      "octave": 3,
      "frequency_hz": 146.83,
      "midi_number": 38,
      "interval_from_c": "Major Second",
      "solfege": "Re"
    },
    {
      "order": 4,
      "note_name": "D#3/Eb3",
      "name_th": "เร#/มิบ",
      "octave": 3,
      "frequency_hz": 155.56,
      "midi_number": 39,
      "interval_from_c": "Minor Third",
      "solfege": "Re#"
    },
    {
      "order": 5,
      "note_name": "E3",
      "name_th": "มิ (อ็อกเทฟที่ 3)",
      "octave": 3,
      "frequency_hz": 164.81,
      "midi_number": 40,
      "interval_from_c": "Major Third",
      "solfege": "Mi"
    },
    {
      "order": 6,
      "note_name": "F3",
      "name_th": "ฟา (อ็อกเทฟที่ 3)",
      "octave": 3,
      "frequency_hz": 174.61,
      "midi_number": 41,
      "interval_from_c": "Perfect Fourth",
      "solfege": "Fa"
    },
    {
      "order": 7,
      "note_name": "F#3/Gb3",
      "name_th": "ฟา#/โซลบ",
      "octave": 3,
      "frequency_hz": 185.0,
      "midi_number": 42,
      "interval_from_c": "Tritone",
      "solfege": "Fa#"
    },
    {
      "order": 8,
      "note_name": "G3",
      "name_th": "โซล (อ็อกเทฟที่ 3)",
      "octave": 3,
      "frequency_hz": 196.0,
      "midi_number": 43,
      "interval_from_c": "Perfect Fifth",
      "solfege": "Sol"
    },
    {
      "order": 9,
      "note_name": "G#3/Ab3",
      "name_th": "โซล#/ลาบ",
      "octave": 3,
      "frequency_hz": 207.65,
      "midi_number": 44,
      "interval_from_c": "Minor Sixth",
      "solfege": "Sol#"
    },
    {
      "order": 10,
      "note_name": "A3",
      "name_th": "ลา (อ็อกเทฟที่ 3)",
      "octave": 3,
      "frequency_hz": 220.0,
      "midi_number": 45,
      "interval_from_c": "Major Sixth",
      "solfege": "La"
    },
    {
      "order": 11,
      "note_name": "A#3/Bb3",
      "name_th": "ลา#/ทีบ",
      "octave": 3,
      "frequency_hz": 233.08,
      "midi_number": 46,
      "interval_from_c": "Minor Seventh",
      "solfege": "La#"
    },
    {
      "order": 12,
      "note_name": "B3",
      "name_th": "ที (อ็อกเทฟที่ 3)",
      "octave": 3,
      "frequency_hz": 246.94,
      "midi_number": 47,
      "interval_from_c": "Major Seventh",
      "solfege": "Ti"
    },
    {
      "order": 13,
      "note_name": "C4",
      "name_th": "โด (อ็อกเทฟที่ 4 - Middle C)",
      "octave": 4,
      "frequency_hz": 261.63,
      "midi_number": 48,
      "interval_from_c": "Perfect Unison",
      "solfege": "Do"
    },
    {
      "order": 14,
      "note_name": "C#4/Db4",
      "name_th": "โด#/เรบ",
      "octave": 4,
      "frequency_hz": 277.18,
      "midi_number": 49,
      "interval_from_c": "Minor Second",
      "solfege": "Do#"
    },
    {
      "order": 15,
      "note_name": "D4",
      "name_th": "เร (อ็อกเทฟที่ 4)",
      "octave": 4,
      "frequency_hz": 293.66,
      "midi_number": 50,
      "interval_from_c": "Major Second",
      "solfege": "Re"
    },
    {
      "order": 16,
      "note_name": "D#4/Eb4",
      "name_th": "เร#/มิบ",
      "octave": 4,
      "frequency_hz": 311.13,
      "midi_number": 51,
      "interval_from_c": "Minor Third",
      "solfege": "Re#"
    },
    {
      "order": 17,
      "note_name": "E4",
      "name_th": "มิ (อ็อกเทฟที่ 4)",
      "octave": 4,
      "frequency_hz": 329.63,
      "midi_number": 52,
      "interval_from_c": "Major Third",
      "solfege": "Mi"
    },
    {
      "order": 18,
      "note_name": "F4",
      "name_th": "ฟา (อ็อกเทฟที่ 4)",
      "octave": 4,
      "frequency_hz": 349.23,
      "midi_number": 53,
      "interval_from_c": "Perfect Fourth",
      "solfege": "Fa"
    },
    {
      "order": 19,
      "note_name": "F#4/Gb4",
      "name_th": "ฟา#/โซลบ",
      "octave": 4,
      "frequency_hz": 369.99,
      "midi_number": 54,
      "interval_from_c": "Tritone",
      "solfege": "Fa#"
    },
    {
      "order": 20,
      "note_name": "G4",
      "name_th": "โซล (อ็อกเทฟที่ 4)",
      "octave": 4,
      "frequency_hz": 392.0,
      "midi_number": 55,
      "interval_from_c": "Perfect Fifth",
      "solfege": "Sol"
    },
    {
      "order": 21,
      "note_name": "G#4/Ab4",
      "name_th": "โซล#/ลาบ",
      "octave": 4,
      "frequency_hz": 415.3,
      "midi_number": 56,
      "interval_from_c": "Minor Sixth",
      "solfege": "Sol#"
    },
    {
      "order": 22,
      "note_name": "A4",
      "name_th": "ลา (อ็อกเทฟที่ 4 - Standard Tuning)",
      "octave": 4,
      "frequency_hz": 440.0,
      "midi_number": 57,
      "interval_from_c": "Major Sixth",
      "solfege": "La"
    },
    {
      "order": 23,
      "note_name": "A#4/Bb4",
      "name_th": "ลา#/ทีบ",
      "octave": 4,
      "frequency_hz": 466.16,
      "midi_number": 58,
      "interval_from_c": "Minor Seventh",
      "solfege": "La#"
    },
    {
      "order": 24,
      "note_name": "B4",
      "name_th": "ที (อ็อกเทฟที่ 4)",
      "octave": 4,
      "frequency_hz": 493.88,
      "midi_number": 59,
      "interval_from_c": "Major Seventh",
      "solfege": "Ti"
    },
    {
      "order": 25,
      "note_name": "E2",
      "name_th": "มิ (อ็อกเทฟที่ 2 - Guitar Low E)",
      "octave": 2,
      "frequency_hz": 82.41,
      "midi_number": 28,
      "interval_from_c": "Major Third",
      "solfege": "Mi"
    },
    {
      "order": 26,
      "note_name": "A2",
      "name_th": "ลา (อ็อกเทฟที่ 2 - Guitar A String)",
      "octave": 2,
      "frequency_hz": 110.0,
      "midi_number": 33,
      "interval_from_c": "Major Sixth",
      "solfege": "La"
    },
    {
      "order": 27,
      "note_name": "D3",
      "name_th": "เร (อ็อกเทฟที่ 3 - Guitar D String)",
      "octave": 3,
      "frequency_hz": 146.83,
      "midi_number": 38,
      "interval_from_c": "Major Second",
      "solfege": "Re"
    },
    {
      "order": 28,
      "note_name": "G3",
      "name_th": "โซล (อ็อกเทฟที่ 3 - Guitar G String)",
      "octave": 3,
      "frequency_hz": 196.0,
      "midi_number": 43,
      "interval_from_c": "Perfect Fifth",
      "solfege": "Sol"
    },
    {
      "order": 29,
      "note_name": "B3",
      "name_th": "ที (อ็อกเทฟที่ 3 - Guitar B String)",
      "octave": 3,
      "frequency_hz": 246.94,
      "midi_number": 47,
      "interval_from_c": "Major Seventh",
      "solfege": "Ti"
    },
    {
      "order": 30,
      "note_name": "E4",
      "name_th": "มิ (อ็อกเทฟที่ 4 - Guitar High E)",
      "octave": 4,
      "frequency_hz": 329.63,
      "midi_number": 52,
      "interval_from_c": "Major Third",
      "solfege": "Mi"
    },
    {
      "order": 31,
      "note_name": "Perfect Unison",
      "name_th": "ช่วงเดียวกัน (0 semitones)",
      "octave": 0,
      "frequency_hz": 1.0,
      "midi_number": 0,
      "interval_from_c": "P1 - Same note",
      "solfege": "Same"
    },
    {
      "order": 32,
      "note_name": "Minor Second",
      "name_th": "ช่วงเซคันด์เล็ก (1 semitone)",
      "octave": 0,
      "frequency_hz": 1.06,
      "midi_number": 1,
      "interval_from_c": "m2 - Half step",
      "solfege": "Close"
    },
    {
      "order": 33,
      "note_name": "Major Second",
      "name_th": "ช่วงเซคันด์ใหญ่ (2 semitones)",
      "octave": 0,
      "frequency_hz": 1.12,
      "midi_number": 2,
      "interval_from_c": "M2 - Whole step",
      "solfege": "Whole"
    },
    {
      "order": 34,
      "note_name": "Major Third",
      "name_th": "ช่วงเทิร์ดใหญ่ (4 semitones)",
      "octave": 0,
      "frequency_hz": 1.26,
      "midi_number": 4,
      "interval_from_c": "M3 - Bright sound",
      "solfege": "Third"
    },
    {
      "order": 35,
      "note_name": "Perfect Fifth",
      "name_th": "ช่วงห้าสมบูรณ์ (7 semitones)",
      "octave": 0,
      "frequency_hz": 1.5,
      "midi_number": 7,
      "interval_from_c": "P5 - Most common",
      "solfege": "Fifth"
    },
    {
      "order": 36,
      "note_name": "Major Sixth",
      "name_th": "ช่วงหกใหญ่ (9 semitones)",
      "octave": 0,
      "frequency_hz": 1.68,
      "midi_number": 9,
      "interval_from_c": "M6 - Pleasant",
      "solfege": "Sixth"
    },
    {
      "order": 37,
      "note_name": "Minor Seventh",
      "name_th": "ช่วงเซเวนท์เล็ก (10 semitones)",
      "octave": 0,
      "frequency_hz": 1.78,
      "midi_number": 10,
      "interval_from_c": "m7 - Bluesy",
      "solfege": "Seventh"
    },
    {
      "order": 38,
      "note_name": "Octave",
      "name_th": "ช่วงอ็อกเทฟ (12 semitones)",
      "octave": 0,
      "frequency_hz": 2.0,
      "midi_number": 12,
      "interval_from_c": "P8 - Double frequency",
      "solfege": "Same note higher"
    }
  ],
  "meta": {
    "title": "Musical Notes, Frequencies and Intervals - ข้อมูลอัปเดตล่าสุดครบถ้วน",
    "description": "รวมข้อมูลโน้ตดนตรีทั้งชื่อ ความถี่ หมายเลข MIDI และช่วงโน้ต มีทั้งหมด 38 รายการ พร้อมข้อมูลรายละเอียดครบถ้วน",
    "seo_title": "โน้ตดนตรี ความถี่ และช่วงโน้ต | Thai Open Data",
    "seo_description": "ดาวน์โหลดโน้ตดนตรี ความถี่ และช่วงโน้ต ทั้งหมด 38 รายการ รูปแบบไฟล์ Excel, CSV, PDF พร้อมรายละเอียดครบถ้วน",
    "key_takeaways": [
      "รวบรวมข้อมูลโน้ตดนตรี ความถี่ และช่วงโน้ต ทั้งหมด 38 รายการ",
      "ครอบคลุมรายละเอียดที่สำคัญและจำเป็นต้องใช้งาน",
      "สามารถดาวน์โหลดไปใช้งานต่อได้ทันที (Excel, CSV, PDF)",
      "ตรวจสอบความถูกต้องของข้อมูลและโครงสร้างแล้ว"
    ],
    "data_quality": "human_reviewed",
    "confidence": "very_high",
    "notes": "ข้อมูลโน้ตดนตรี 12 โน้ตในสเกลโครมาติก 2 อ็อกเทฟ (C3-B4) รวมถึงโน้ตอ้างอิงสำหรับกีตาร์ (6 สาย) และข้อมูลช่วงโน้ตพื้นฐาน ความถี่คำนวณจากมาตรฐาน A4 = 440 Hz",
    "review": {
      "status": "approved",
      "reviewer": "Gemini (Batch Script Review)"
    }
  }
}