Back to results
US 2011/0257968 A1Published application
Apparatus for encoding/decoding multichannel signal and method thereof
AssigneeSamsung Electronics Co., Ltd.
InventorsJung-Hoe KIM, Eun Mi Oh
Life of this patent
Estimating the term…
Abstract
Provided is an encoding/decoding apparatus and method of multi-channel signals. The encoding apparatus and method of multi-channel signals may encode phase information of the multi-channel signals using a quantization scheme and a lossless encoding scheme, and the decoding apparatus and method of multi-channel signals may decode the phase information using an inverse-quantization scheme and a lossless decoding scheme.
Claims10
An encoding apparatus, comprising:
- a parameter quantization unit to quantize a plurality of parameters indicating a characteristic relation among a plurality of channels constituting a multi-channel signal;
- a parameter encoding unit to encode a differential value of each of the quantized plurality of parameters;
- a mono-signal encoding unit to encode a mono-signal where the multi-channel signal has been down-mixed;
- and
- a bitstream generation unit to generate an encoded bitstream with respect to the multi-channel signal, using the encoded plurality of and the encoded mono-signal.
2 more elements
A decoding apparatus, comprising:
- a mono-signal decoding unit to decode, from an encoded bitstream of a multi-channel signal, a mono-signal corresponding to a down-mixed signal of the multi-channel signal;
- a parameter decoding unit to decode, from the bitstream, a plurality of parameters having been encoded in accordance with a differential value, the plurality of parameters indicating a characteristic relation among a plurality of channels constituting the multi-channel signal;
- a parameter inverse-quantization unit to inverse-quantize the decoded plurality of parameters;
- and
- an up-mixing unit to up-mix the mono-signal using the inverse-quantized plurality of parameters.
2 more elements
Dependencies are inferred from the claim text.