Synthesizing a mono audio signal based on an encoded multichannel audio signal
Abstract
Method of synthesizing a mono audio signal based on a signal encoded multichannel audio available, said multichannel audio signal encoded at least for a part of an audio-frequency band separate parameter values comprising for each channel said multichannel audio signal, said method comprising at least for a portion of an audio frequency band: - combines the parameter values of said multiple channels in the parameter domain; and - using said combined parameter values for synthesizing a mono audio signal; wherein the combination of said parameter values is controlled for at least one parameter based on information on the respective activity in said multiple channels.
Term
No projected expiry on record.
- Priority and filed
- Granted
- Today
23 members in 12 offices
Priority claims1
| Document | Office | Kind | Date |
|---|---|---|---|
| 2004000715 | International Bureau of the World Intellectual Property Organization (WIPO) | W |
Members23
| Document | Office | Kind | |
|---|---|---|---|
| AU2004317678A1 | Australia | A1 | |
| CA2555182A1 | Canada | A1 | |
| WO2005093717A1 | World Intellectual Property Organization (WIPO) | A1 | |
| WO2005093717A8 | World Intellectual Property Organization (WIPO) | A8 | |
| EP1723639A1 | European Patent Office (EPO) | A1 | |
| CN1926610A | China | A | |
| BRPI0418665A | Brazil | A | |
| US2007208565A1 | United States of America | A1 | |
| JP2007529031A | Japan | A | |
| EP1723639B1 | European Patent Office (EPO) | B1 | |
| AT378677TThis record | Austria | T | |
| DE602004010188D1 | Germany | D1 | |
| ES2295837T3 | Spain | T3 | |
| RU2006131451A | Russian Federation | A | |
| DE602004010188T2 | Germany | T2 | |
| AU2004317678B2 | Australia | B2 | |
| AU2004317678C1 | Australia | C1 | |
| RU2381571C2 | Russian Federation | C2 | |
| JP4495209B2 | Japan | B2 | |
| CN1926610B | China | B | |
| CA2555182C | Canada | C | |
| US7899191B2 | United States of America | B2 | |
| BRPI0418665B1 | Brazil | B1 |
1 legal event, as the office reported them to INPADOC
Events
| Event | Code | |
|---|---|---|
| Publication of translation of european patent specificationUEP | UEP |
Numbers
- Application
- 4720099
Titles2
- German
- SYNTHESE EINES MONO-AUDIOSIGNALS AUS EINEM MEHRKANAL-AUDIOSIGNAL
- English
- SYNTHESIS OF A MONO AUDIO SIGNAL FROM A MULTI CHANNEL AUDIO SIGNAL
Classification
- CPC, 1
- G10L19/008
- IPC, 1
- G10L19 008