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  <title>ToneNook guides</title>
  <id>https://www.tonenook.com/feed.xml</id>
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  <link rel="alternate" href="https://www.tonenook.com/ko/guides/" />
  <updated>2026-10-01T00:00:00Z</updated>
  <entry>
    <title>곡의 BPM과 키 확인 방법 — 분석기 정확도 실측</title>
    <id>https://www.tonenook.com/ko/guides/find-bpm-and-key/</id>
    <link rel="alternate" hreflang="ko" href="https://www.tonenook.com/ko/guides/find-bpm-and-key/" />
    <published>2026-10-01T00:00:00Z</published>
    <updated>2026-10-01T00:00:00Z</updated>
    <author><name>Chaez</name></author>
    <summary xml:lang="ko">음원 파일을 BPM·키 분석기에 넣으면 브라우저에서 템포와 조를 추정합니다. 정답을 아는 합성 음원 14개로 시험한 결과 BPM은 12개가 ±1 이내였고 2개는 실제의 절반·두 배로 나왔으며, 키는 13개 중 12개가 맞았습니다(2026-10-01 측정).</summary>
  </entry>
  <entry>
    <title>How to Find the BPM and Key of a Song — Measured Accuracy</title>
    <id>https://www.tonenook.com/en/guides/find-bpm-and-key/</id>
    <link rel="alternate" hreflang="en" href="https://www.tonenook.com/en/guides/find-bpm-and-key/" />
    <published>2026-10-01T00:00:00Z</published>
    <updated>2026-10-01T00:00:00Z</updated>
    <author><name>Chaez</name></author>
    <summary xml:lang="en">Load an audio file into the BPM and key analyzer and it estimates the tempo and key in your browser. On 14 synthesized test signals with known answers, BPM was within ±1 for 12 and came out at half or double for 2, and the key was correct for 12 of 13 (measured 2026-10-01).</summary>
  </entry>
  <entry>
    <title>MP3와 WAV의 차이 — 파일 크기와 음질 실측 비교</title>
    <id>https://www.tonenook.com/ko/guides/mp3-vs-wav/</id>
    <link rel="alternate" hreflang="ko" href="https://www.tonenook.com/ko/guides/mp3-vs-wav/" />
    <published>2026-09-30T00:00:00Z</published>
    <updated>2026-09-30T00:00:00Z</updated>
    <author><name>Chaez</name></author>
    <summary xml:lang="ko">WAV는 원본을 그대로 담는 무손실 포맷으로 1분에 약 10.6MB이고, MP3 320kbps는 약 2.4MB(WAV의 23%)로 작지만 20kHz 이상의 고역을 줄이는 손실 포맷입니다.</summary>
  </entry>
  <entry>
    <title>MP3 vs WAV — Measured File Size and Audio Quality</title>
    <id>https://www.tonenook.com/en/guides/mp3-vs-wav/</id>
    <link rel="alternate" hreflang="en" href="https://www.tonenook.com/en/guides/mp3-vs-wav/" />
    <published>2026-09-30T00:00:00Z</published>
    <updated>2026-09-30T00:00:00Z</updated>
    <author><name>Chaez</name></author>
    <summary xml:lang="en">WAV is a lossless format that stores the original audio at about 10.6 MB per minute, while MP3 at 320 kbps takes about 2.4 MB (23% of WAV) but is lossy and reduces content above 20 kHz.</summary>
  </entry>
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