NIGENS general sound events database

sounds

General information

Label Value Description
Name NIGENS general sound events database Full dataset name
ID sounds/nigens_sound_events Datalist id for external indexing
Abbreviation NIGENS-SE Official dataset abbreviation, e.g. one used in the original paper
Provider NIGENS
Year 2019 Dataset release year
Modalities Audio Data modalities included in the dataset
Collection name NIGENS-SE Common name for all related datasets, used to group datasets coming from same source
Research domain SED Isolated sounds 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 (2.2GB)
Citation [Trowitzsch2019] The NIGENS General Sound Events Database

Audio

Label Value Description

Data

Data type Audio Possible values: Audio | Features
File format
File format type Variable 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 32 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 Online StockMusic GRID TIMIT Possible values: Original | Youtube | Freesound | Online | Crowdsourced | [Dataset name]

Content

Content type Isolated 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 1017 files Total number of files
Total duration (minutes) 105 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) 1-5 sec Approximate length of files

Meta

Label Value Description
Types Event 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 14 Number of event classes
Classes False Possible values: True | False | Almost
Classes
  • alarm
  • baby crying
  • crash
  • dog barking
  • engine
  • female scream
  • female speech
  • fire
  • footsteps
  • general
  • knocking
  • male scream
  • male speech
  • phone ringing
  • piano
Annotation
Type Strong Possible values: Strong | Weak | Location | None
Source Experts 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
Strong annotations amount (%) 1 % Percentage of all data, amount of data which has strong annotations
Overlapping event instances No
Labeling
Hierarchical No
Instance
Count 1017 Count of all event instances in the dataset
Average instances per class 72.6 Average per class instance count

Cross-validation setup

Label Value Description
Provided Yes
Folds 8
Sets Train Test Set types provided in the split, possible values: Train | Test | Val | Dev | Eval