T/NDAS 25-2020 Music Streaming Loudness Technical Requirements
T/NDAS 25-2020 Music streaming loudness technology requirements
Basic Information
Scope
Scope: This document specifies objective measurement algorithms for the loudness of mono or multi-channel music audio, as well as reference loudness values for the auditory performance of various music styles. This document is applicable to digital music loudness management on internet streaming platforms. Main technical content: 1. Scope: This document specifies objective measurement algorithms for the loudness of mono or multi-channel music audio, as well as reference loudness values for the auditory performance of various music styles. This document is applicable to digital music loudness management on internet streaming platforms. 2. Terms and definitions: This document defines the terms "digital music", "streaming platforms", "loudness normalization", "channels", "music styles", "music loudness values", "reference loudness values", "volume gain values", "playback gain", and "musicians". 3. Multi-channel loudness objective measurement algorithms: This document specifies objective measurement algorithms for the loudness of music streaming. 4. Loudness normalization algorithms: This document specifies loudness normalization algorithms for music streaming. 5. Multi-style music production and playback loudness specifications: This document specifies loudness specifications for multi-style music production and playback on music streaming platforms.