IDMT-SMT-Bass-Single-Track Dataset
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The IDMT-SMT-BASS-SINGLE-TRACK dataset comprises of 17 bass lines from different music styles. It is intended as a public evaluation dataset for: retrieval of repetitive bass patterns For each bass line, the pattern length (in seconds) and the begin of the first pattern appearance (in seconds) is annotated. The patterns are in general no exact repetitions but instead contain occasional pitch and rhythm variations. bass transcription Each note is annotated with the score-related parameters onset, offset and pitch. spatial transcription / estimation of the fretboard position Each note is annotated with the instrument-related parameters string number and fret number. estimation of bass guitar plucking styles Each note is played and annotated with one of the 5 plucking style classes: Finger-style (FS) - alternate plucking of the string using the index and middle finger Picked (PK) - plucking of the string using a plastic pick Muted (MU) - plucking of the string using the thumb and index finger while simultaneously damping the string vibration using the palm of the hand Slap-Pluck (SP) - picking of a string using either the index or the middle finger (causing a collision between the string and the upper frets) Slap-Thumb (ST)- striking of the string using the thumb (causing a collision between the string and the upper frets) estimation of bass guitar expression styles (6 classes) Each note is played and annotated with one of the 6 expression style classes: Normal (NO) - no expression, just “regular” bass note playing Harmonics (HA) - flageolet tones Dead-note (DN) - damped, percussive note Bending (BE) - singular bending of the string during vibration Vibrato (VI) - periodic bending and releasing the string during vibration Slide (SL) - slide up or down after note is plucked
IDMT-SMT-BASS-SINGLE-TRACK数据集包含17段来自不同音乐风格的贝斯声部，旨在作为公开评测数据集，用于重复贝斯模式检索（retrieval of repetitive bass patterns）。针对每一段贝斯声部，均标注了模式时长（单位：秒）以及首个模式出现的起始时刻（单位：秒）。这些模式通常并非完全重复，而是存在偶发的音高与节奏变化。 贝斯转录（bass transcription）：针对每一个音符，均标注了与乐谱相关的参数：起始时刻（onset）、终止时刻（offset）与音高（pitch）。 指板位置空间转录与估计（spatial transcription / estimation of the fretboard position）：针对每一个音符，均标注了与乐器相关的参数：琴弦编号与品丝编号。 贝斯吉他拨奏风格估计（estimation of bass guitar plucking styles，共5类）：每一个音符均对应标注以下5种拨奏风格类别之一： - 指弹法（Finger-style, FS）：使用食指与中指交替拨弦 - 拨片弹法（Picked, PK）：使用塑料拨片拨弦 - 止音弹法（Muted, MU）：使用拇指与食指拨弦，同时用手掌阻尼琴弦振动 - 拍击拨奏（Slap-Pluck, SP）：使用食指或中指拨弦，使琴弦与上方品丝产生碰撞 - 拇指拍击（Slap-Thumb, ST）：使用拇指敲击琴弦，使琴弦与上方品丝产生碰撞 贝斯吉他演奏表情风格估计（estimation of bass guitar expression styles，共6类）：每一个音符均对应标注以下6种演奏表情风格类别之一： - 常规奏法（Normal, NO）：无特殊表情，仅为"标准"贝斯音符演奏 - 泛音奏法（Harmonics, HA）：演奏自然泛音（flageolet tones） - 闷音奏法（Dead-note, DN）：被阻尼的敲击式音符 - 推弦奏法（Bending, BE）：在琴弦振动期间单次推弦 - 颤音奏法（Vibrato, VI）：在琴弦振动期间周期性推弦与释弦 - 滑音奏法（Slide, SL）：在拨弦后上下滑动琴弦以产生滑音效果
