Patent · US Active

Non-uniform parameter quantization for advanced coupling

US9672837B2 · kind B2 · utility

6Cited by

3References

22Claims

0Family size

Assignee

Dolby International AB · IE

Inventors

Heiko Purnhagen · Sundbyberg, SE
Per Ekstrand · Saltsjöbaden, SE

Key dates

Filing date	Sep 8, 2014
Grant date	Jun 6, 2017
Priority date	—
Expiry date	Sep 8, 2034

Classification

Technology area (CPC H)Electricity
CPC primaryH04S2420/03
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

The present disclosure provides methods, devices and computer program products for non-uniform quantization of parameters relating to parametric spatial coding of audio signals. The disclosure further relates to a method and apparatus for reconstructing an audio object in an audio decoding system taking the non-uniformly quantized parameters into account. According to the disclosure, such an approach renders it possible to reduce bit consumption without substantially reducing the quality of the reconstructed audio object.

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