Claims
- 1. An apparatus for masking frame errors comprising:
- memory means for storing at least one previous frame of data and for providing said at least one previous frame of data in response to a frame error signal; and
- masking means for receiving said frame error signal and for generating a masking signal in accordance with said at least one previous frame of data and a predetermined error masking format.
- 2. The apparatus of claim 1 wherein said at least one previous frame of data comprises a last frame of data capable of being decoded.
- 3. The apparatus of claim 2 wherein said error masking format comprises attenuating the gain of said last frame of data capable of being decoded.
- 4. The apparatus of claim 1 wherein said error masking format comprises attenuating the gain of said at least one previous frame of data.
- 5. A method for masking frame errors comprising:
- storing at least one previous frame of data;
- providing said at least one previous frame of data in response to a frame error signal; and
- generating a masking signal in accordance with said at least one previous frame of data and a predetermined error masking format.
- 6. The apparatus of claim 5 wherein said at least one previous frame of data comprises a last frame of data capable of being decoded.
- 7. The apparatus of claim 6 wherein said error masking format comprises attenuating the gain of said last frame of data capable of being decoded.
- 8. The apparatus of claim 5 wherein said error masking format comprises attenuating the gain of said at least one previous frame of data.
Parent Case Info
This is a divisional of application Ser. No. 08/363,170, filed Dec. 23, 1994, now U.S. Pat. No. 5,657,420, issued Aug. 12, 1997, which is a divisional of application Ser. No. 08/004,484, filed Jan. 14, 1993, now U.S. Pat. No. 5,414,796, issued May 9, 1995, which is a continuation of application Ser. No. 07/713,661, filed Jun. 11, 1991, now abandoned.
US Referenced Citations (8)
Divisions (2)
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Number |
Date |
Country |
Parent |
363170 |
Dec 1994 |
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Parent |
04484 |
Jan 1993 |
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Continuations (1)
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Number |
Date |
Country |
Parent |
713661 |
Jun 1991 |
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