Patent · US Active

Fragment-aligned audio coding

US11218754B2 · kind B2 · utility

0Cited by

1References

10Claims

0Family size

Assignee

Fraunhofer-Gesellschaft zur förderung der angewandten Forschung e.V. · DE

Inventors

Bernd Czelhan · Happurg, DE
Harald Fuchs · Eisenberg (Pfalz), DE
Ingo Hofmann · Nuremberg, DE
Herbert Thoma · Kenzingen, DE
Stephan Schreiner · Frechetsfeld, DE

Key dates

Filing date	Feb 7, 2020
Grant date	Jan 4, 2022
Priority date	—
Expiry date	Feb 7, 2040

Classification

Technology area (CPC G)Physics
CPC primaryG10L21/055
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

Audio video synchronization and alignment or alignment of audio to some other external clock are rendered more effective or easier by treating fragment grid and frame grid as independent values, but, nevertheless, for each fragment the frame grid is aligned to the respective fragment's beginning. A compression effectiveness lost may be kept low when appropriately selecting the fragment size. On the other hand, the alignment of the frame grid with respect to the fragments' beginnings allows for an easy and fragment-synchronized way of handling the fragments in connection with, for example, parallel audio video streaming, bitrate adaptive streaming or the like.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.