An error concealment method and apparatus for an audio signal and a decoding method and apparatus for an audio signal using the error concealment method and apparatus. The error concealment method includes selecting one of an error concealment in a frequency domain and an error concealment in a time domain as an error concealment scheme for a current frame based on a predetermined criteria when an error occurs in the current frame, selecting one of a repetition scheme and an interpolation scheme in the frequency domain as the error concealment scheme for the current frame based on a predetermined criteria when the error concealment in the frequency domain is selected, and concealing the error of the current frame using the selected scheme.

Claims

6 · 2 independent · depth 2

6 granted claims

›1.independentAn error concealment apparatus for an audio signal, the apparatus comprising:nan error detection unit to determine whether an error occurs in a curren…+2

›2.independentA decoding apparatus for an audio signal, the apparatus comprising:nan error detection unit to determine whether an error occurs in a current frame;a …+2

Classifications

4 codes

IPC · International Patent Classification

Section G — Physics

G10L19/00

USPC · US Patent Classification

704/234704/500375/240.27

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Pendency

1.5 y

553 days filing → grant

Office actions

non-final + final

Responses

3 RCE

Examiner

Daniel D Abebe

art unit 2657 · TC 2600

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Citations: 10 back · 0 forward

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Priority chain

1 priority documents

›Priority documents — 1

Type	Document	Date
related publication	US 20130297322 A1	7 Nov 2013

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