Method and unit for performing dynamic range control
AssigneeDolby International AB
InventorsStanislaw Gorlow, Robin Thesing
Life of this patent
Estimating the term…
Abstract
A dynamic range control unit (210) configured to apply dynamic range control, referred to as DRC, to an audio signal (211). The DRC unit (210) is configured to downsample a subband signal (212) derived from the audio signal (211), to provide a downsampled subband signal (321), to determine a DRC gain (329) based on the downsampled subband signal (321), and to apply the DRC gain (329) to the subband signal (212), to provide a compressed subband signal (213) of a compressed audio signal (214).
Claims20
A dynamic range control, referred to as DRC, unit configured to apply DRC to an audio signal;
- wherein the DRC unit is configured to
- downsample a subband signal derived from the audio signal, to provide a downsampled subband signal;
- determine a DRC gain based on the downsampled subband signal;
- and
- apply the DRC gain to the subband signal, to provide a compressed subband signal of a compressed audio signal.
A method for applying dynamic range control, referred to as DRC, to an audio signal;
- wherein the method comprises
- downsampling a subband signal derived from the audio signal, to provide a downsampled subband signal;
- determining a DRC gain based on the downsampled subband signal;
- and
- applying the DRC gain to the subband signal, to provide a compressed subband signal of a compressed audio signal.
Dependencies are inferred from the claim text.