Diverse Environments Multichannel Acoustic Noise Database

scenes

General information

Label Value Description
Name Diverse Environments Multichannel Acoustic Noise Database Full dataset name
ID scenes/demand Datalist id for external indexing
Abbreviation DEMAND Official dataset abbreviation, e.g. one used in the original paper
Provider Inria
Year 2013 Dataset release year
Modalities Audio Data modalities included in the dataset
Collection name DEMAND Common name for all related datasets, used to group datasets coming from same source
Research domain Ambient noise 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, CC BY-SA 3.0
Download Download (7.4GB)
Citation [Thiemann2013] The Diverse Environments Multi-channel Acoustic Noise Database (DEMAND): A database of multichannel environmental noise recordings

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) 48 kHz Sampling rate in kHz, possible values: 8 | 16 | 22.05 | 32 | 44.1 | 48
Channels
Setup Array Possible values: Mono | Stereo | Binaural | Ambisonic | Array | Multi-Channel | Variable
Number of channels 16
Material
Source Original Possible values: Original | Youtube | Freesound | Online | Crowdsourced | [Dataset name]

Content

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

Recording

Setup Uncontrolled Possible values: Near-field | Far-field | Mixed | Uncontrolled | Unknown
Setup count 1 Amount of different recording setups (microphone and recording device) used
Spot type Fixed Possible values: Fixed | Moving | Unknown

Files

Count 18 files Total number of files
Total duration (minutes) 90 min Total duration of the dataset in minutes
File length Constant Characterization of the file lengths, possible values: Constant | Quasi-constant | Variable
File length (seconds) 300 sec Approximate length of files

Meta

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

Scene

Classes 6 Number of scene classes
Classes True Possible values: True | False | Almost
Classes
  • domestic
  • nature
  • office
  • public
  • street
  • transportation
Annotation
Type Weak Possible values: Strong | Weak | None
Source Location Possible values: Experts | Crowdsourced | Synthetic | Location
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
Labeling
Hierarchical No
Instance
Count 18 Count of all scene instances in the dataset

Cross-validation setup

Label Value Description
Provided No