Metadata for loudness and dynamic range control

An audio normalization gain value is applied to an audio signal to produce a normalized signal. The normalized signal is processed to compute dynamic range control (DRC) gain values in accordance with a selected one of several pre-defined DRC characteristics. The audio signal is encoded, and the DRC...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Allamanche, Eric A, Baumgarte, Frank, Strommer, Stefan K.O
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:An audio normalization gain value is applied to an audio signal to produce a normalized signal. The normalized signal is processed to compute dynamic range control (DRC) gain values in accordance with a selected one of several pre-defined DRC characteristics. The audio signal is encoded, and the DRC gain values are provided as metadata associated with the encoded audio signal. Several other embodiments are also described and claimed.