Bandwidth extension of bandlimited audio signals

Details Bandwidth extension of bandlimited audio signals Bandwidth extension of bandlimited audio signals

H - Electricity

04

R

H04R 1/22 (2006.01) G10L 21/02 (2006.01)

Patent

CA 2518332

The present invention relates to a system and a method for bandwidth extension of bandlimited audio signals. The inventive system comprises analyzing means configured to analyze bandlimited audio signals at a transmission cycle rate and to obtain at least one bandlimited parameter at the transmission cycle rate, mapping means configured to obtain at least one wideband parameter based on the at least one bandlimited parameter and an audio signal generating means configured to generate a highband and/or lowband audio signal at the transmission cycle rate.

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