FSD50K

sounds

General information

Label Value Description
Name FSD50K Full dataset name
ID sounds/fsd50k Datalist id for external indexing
Abbreviation FSD50K Official dataset abbreviation, e.g. one used in the original paper
Provider UPF
Year 2020 Dataset release year
Modalities Audio Data modalities included in the dataset
Collection name FSD Common name for all related datasets, used to group datasets coming from same source
Research domain Tagging Weak annotation Related domains, e.g., Scenes, Mobile devices, Audio-visual, Open set, Ambient noise, Unlabelled, Multiple sensors, SED, SELD, Tagging, FL, Strong annotation, Weak annotation, Unlabelled, Multi-annotator
License Creative Commons
Download Download (24.5GB)
Companion site Site Link to the companion site for the dataset
Citation [Fonseca2020] FSD50K: an Open Dataset of Human-Labeled Sound Events

Audio

Label Value Description

Data

Data type Audio Possible values: Audio | Features
File format
File format type Constant Possible values: Constant | Variable
File format wav Possible value: wav | aiff | flac | mp3 | aac | ogg
Lossy compression No is audio compressed in a lossy manner
Bit rate 16 Bit depth of audio, possible values: 8 | 16 | 24 | 32
Sampling rate (kHz) 44.1 kHz Sampling rate in kHz, possible values: 8 | 16 | 22.05 | 32 | 44.1 | 48
Channels
Setup Mono Possible values: Mono | Stereo | Binaural | Ambisonic | Array | Multi-Channel | Variable
Number of channels 1
Material
Source Freesound Possible values: Original | Youtube | Freesound | Online | Crowdsourced | [Dataset name]

Content

Content type Freefield Possible values: Freefield | Synthetic | Isolated
Scene Variable Is the scene class constant for single recording, possible values: Constant | Variable

Recording

Setup Unknown Possible values: Near-field | Far-field | Mixed | Uncontrolled | Unknown
Spot type Unknown Possible values: Fixed | Moving | Unknown

Files

Count 51197 files Total number of files
Total duration (minutes) 6498 min Total duration of the dataset in minutes
File length Variable Characterization of the file lengths, possible values: Constant | Quasi-constant | Variable
File length (seconds) 0.3 - 30 sec Approximate length of files

Meta

Label Value Description
Types Tag List of meta data types provided for the data, possible values: Event, Tag, Scene, Caption, Geolocation, Spatial location, Annotator, Timestamp, Presence, Proximity, etc.

Event

Classes 200 Number of event classes
Classes False Possible values: True | False | Almost
Annotation
Type Weak Possible values: Strong | Weak | Location | None
Labelled amount (%) 100 % Percentage of all data, amount of data which is labelled
Validated amount (%) 100 % Percentage of all data, amount of data which is validated by human
Strong annotations amount (%) 0 % Percentage of all data, amount of data which has strong annotations
Overlapping event instances Yes
Labeling
Hierarchical Yes
Ontology name Yes
Instance
Count 152867 Count of all event instances in the dataset
Average instances per class 764.335 Average per class instance count

Cross-validation setup

Label Value Description
Provided Yes
Folds 1
Sets Dev Eval Set types provided in the split, possible values: Train | Test | Val | Dev | Eval

Info

Label Value Description
Evaluation campaign DCASE2020 task4 Evaluation campaigns where the dataset was used.