Decoder box for reproducing an additional audio track
US12309465B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 20, 2022 |
| Grant date | May 20, 2025 |
| Priority date | — |
| Expiry date | Jul 11, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N5/607
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A decoder box includes an input connected to a source producing an audio-video stream comprising an inbound video stream and an inbound audio stream comprising a main inbound audio track, and an additional inbound audio track; a video output connected to video reproduction equipment, a first audio output connected to an audio reproduction module comprising at least one speaker and one second audio output connected to earphones; a video processing chain to produce an outbound video stream and transmit it to the video reproduction equipment; a main audio processing chain to produce, from the main inbound audio track, a main outbound audio track and transmit it to the audio reproduction module; an additional audio processing chain to produce, from the additional audio track, an additional outbound audio track and transmit it to the earphones.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.