发明名称 |
CONTINUOUS BACKUP AUDIO |
摘要 |
A digital audio encoder receives PCM encoded audio information and encodes i t with first and second types of digital audio coding, the encoded audio information having self-contained data units, wherein corresponding pairs of self-contained data units encoded with the first type and second type of digital audio coding represent the same underlying audio information. A decoder receives the first and second audio information and an error signal indicating the detection of errors and omissions in the first audio information. The decoder provides a PCM audio output and/or an encoded audio output complying with said first type of digital audio coding based on eithe r the first or second audio information depending on whether there are errors or omissions in the first audio information.
|
申请公布号 |
CA2512725(A1) |
申请公布日期 |
2004.08.26 |
申请号 |
CA20042512725 |
申请日期 |
2004.01.29 |
申请人 |
DOLBY LABORATORIES LICENSING CORPORATION |
发明人 |
CUTLER, JULIA RUTH;TRUMAN, MICHAEL MEAD;TODD, GRAIG CAMPBELL |
分类号 |
G10L19/00;(IPC1-7):G10L19/00;H04L1/22 |
主分类号 |
G10L19/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|