MPEG audio decoder for detecting and correcting irregular patter

Details MPEG audio decoder for detecting and correcting irregular patter MPEG audio decoder for detecting and correcting irregular patter

1996-03-26

1998-12-22

MacDonald, Allen R.

Data processing: speech signal processing, linguistics, language

Audio signal bandwidth compression or expansion

704226, 704212, 704230, G10L 914, G10L 500

Patent

active

058528059

ABSTRACT:
An MPEG audio decoder has an irregular-pattern processing circuit for detecting irregular patterns in the bit stream input to the decoder, and altering these irregular patterns, or altering data or signals derived from these irregular patterns, so that the irregular patterns do not cause annoying defects in the audio signal output from the decoder. The alteration may take the form of replacement by a minimum value, or interpolation of a preceding value.

REFERENCES:
patent: 4972484 (1990-11-01), Thelle et al.
patent: 5148487 (1992-09-01), Nagai et al.
patent: 5612979 (1997-03-01), Takano
patent: 5636324 (1997-06-01), Teh et al.
patent: 5644310 (1997-07-01), Laczko, Sr. et al.

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