CITATION — REFERENCE ENTRY
2013:Audio Chord Estimation — MIREX Wiki
- Key
- mirex2013-audio-chord-estimation
- Issued
- 2013-9-9
- Type
- webpage
- Container
- MIREX Wiki
Raw CSL JSON
{
"URL": "https://www.music-ir.org/mirex/wiki/2013:Audio_Chord_Estimation",
"type": "webpage",
"title": "2013:Audio Chord Estimation",
"issued": {
"date-parts": [
[
2013,
9,
9
]
]
},
"accessed": {
"date-parts": [
[
2026,
11,
10
]
]
},
"archive_url": "https://web.archive.org/web/20240725133028/https://www.music-ir.org/mirex/wiki/2013:Audio_Chord_Estimation",
"container-title": "MIREX Wiki"
}
Claims
-
MIREX 2013 evaluated on the Isophonics collection (Beatles, Queen and Zweieck) and an abridged version of the McGill Billboard dataset, and also tested all submissions on a fresh set of 200 unreleased songs.
"all submissions will be tested against a fresh set of 200 songs that have never been released publicly."
-
MIREX also measured how well chord boundaries were placed, using the directional Hamming distance to assess over- and under-segmentation.
"Depending on the order of application, the directional Hamming distance yields a measure of over- or under segmentation."
-
The MIREX Audio Chord Estimation task asks participants to extract a sequence of chords from an audio recording, including each chord's root, quality and bass note, and their onset times and durations.
"This includes the full characterisation of chords – root, quality, and bass note – as well as their chronological order, including specific onset times and durations."
-
Following Pauwels and Peeters (2013), MIREX computed chord symbol recall under five vocabulary mappings, ranging from roots only to seventh chords with inversions.
"Following Pauwels and Peeters (2013), we suggest using the CSR with five different chord vocabulary mappings"
-
MIREX measures chord symbol recall, the proportion of time an estimate matches the reference, and weights it by song length when averaging over a corpus; the result is called weighted chord symbol recall (WCSR).
"This final number is referred to as the weighted chord symbol recall (WCSR)."
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