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VOICE CODING DEVICE, VOICE DECODING DEVICE, VOICE CODING METHOD AND VOICE DECODING METHOD

  • US 20140122065A1
  • Filed: 05/25/2012
  • Published: 05/01/2014
  • Est. Priority Date: 06/09/2011
  • Status: Active Grant
First Claim
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1. A speech encoding apparatus configured to encode a wide band signal in a first layer and to encode an extended band signal, whose frequency band is located in higher frequency than the wide band signal, in an extended band layer, the apparatus comprising:

  • a band-selecting unit that selects a frequency band to which limiting is applied when encoding is performed in the extended band layer; and

    a band-limiting unit that applies the limiting to the selected frequency band of an input signal.

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