Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
October 28, 2008
Patent Application Number
10654400
Date Filed
September 4, 2003
Patent Primary Examiner
Patent abstract
There is disclosed an audio coding apparatus which has a wideband encoder and noise canceller. The encoder includes a high-frequency audio coder and low-frequency audio coder. The low-frequency audio coder includes a low-frequency noise canceller. When the high-frequency audio coder is disabled, the noise canceller is disabled, and allows a digital audio signal to pass through it and outputs that signal to the encoder. When the high-frequency audio coder is enabled, the low-frequency noise canceller is disabled, and allows a digital audio signal to pass through it.
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