ARCA23K-FSD

sounds

General information

Label Value Description
Name ARCA23K-FSD Full dataset name
ID sounds/arca23k_fsd Datalist id for external indexing
Abbreviation ARCA23K-FSD Official dataset abbreviation, e.g. one used in the original paper
Provider CVSSP
Year 2021 Dataset release year
Modalities Audio Data modalities included in the dataset
Collection name ARCA23K 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
Related datasets name
License Creative Commons, CC BY 4.0
Download Download
Citation [Iqbal2021] ARCA23K: An audio dataset for investigating open-set label noise

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

Recording

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

Files

Count 23727 files Total number of files
Total duration (minutes) 2428 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 70 Number of event classes
Classes False Possible values: True | False | Almost
Annotation
Type Weak Possible values: Strong | Weak | Location | None
Source Automatic Possible values: Experts | Crowdsourced | Synthetic | Metadata | Automatic
Annotations per item 1 How many annotations there are available per item (possible multi-annotator setup)
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 No
Labeling
Hierarchical No
Ontology name Yes
Instance
Count 23727 Count of all event instances in the dataset
Average instances per class 338.96 Average per class instance count

Cross-validation setup

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

Info

Label Value Description
Comments Audio files are not distributed in the Zenodo release (only the ground truth data is provided). Since ARCA23K-FSD is a subset of FSD50K, the audio files can be obtained by downloading the FSD50K dataset.