Device for bi-directional transmission of audio and/or video signals
US6763253B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 26, 2000 |
| Grant date | Jul 13, 2004 |
| Priority date | — |
| Expiry date | Feb 7, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04H60/05
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Proposed by the invention is a device for the bidirectional transfer of audio and/or video signals, in particular in the context of sound and/or image reports, with:at least one means (6) for providing an audio input signal;a first mixing device (10), which is connected to the means (6) for providing the audio input signal and which is designed to output a mixed audio transmission signal;a transmission and/or reception device coupled to the first mixing device (10) for transmitting the mixed audio transmission signal and/or receiving an audio reception signal;a control device (22) coupled to the first mixing device (10) for controlling the first mixing device (10);a compression and/or decompression device (12, 32) for compression of the mixed audio transmission signal or, as the case may be, for decompression of the audio reception signal,which compression and/or decompression device is connected to the first mixing device (10) for taking up the mixed audio transmission signal or, as the case may be, to at least the second mixing device (30) for delivering a decompressed audio reception signal,and connected to the transmission and/or reception device for delivering a compressed aud…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.