×

ADAPTIVE TIME/FREQUENCY-BASED AUDIO ENCODING AND DECODING APPARATUSES AND METHODS

  • US 20070106502A1
  • Filed: 09/26/2006
  • Published: 05/10/2007
  • Est. Priority Date: 11/08/2005
  • Status: Active Grant
First Claim
Patent Images

1. An adaptive time/frequency-based audio encoding apparatus, comprising:

  • a transformation &

    mode determination unit to divide an input audio signal into a plurality of frequency-domain signals and to select a time-based encoding mode or a frequency-based encoding mode for each respective frequency-domain signal;

    an encoding unit to encode each frequency-domain signal in the respective encoding modes selected by the transformation &

    mode determination unit; and

    a bitstream output unit to output encoded data, division information, and encoding mode information for each respective encoded frequency-domain signal.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×