H03M3/042 - CPC Classification Index

ClassID:

222472 ⎘

H03M3/042 - CPC Classification

Classification description:

Conversion of analogue values to or from differential modulation; Differential modulation with several bits, e.g. differential pulse code modulation [DPCM] with adaptable step size, e.g. adaptive differential pulse code modulation [ADPCM]

Recent Application in this class:

20250070795

2025-02-27

VOLTAGE MONITORING OF SWITCHING DRIVERS

20230163780

2023-05-25

Method of modifying an analog wave or digital pulse to convey additional data with each wave or pulse

20200358453

2020-11-12

Method of error concealment, and associated device

20200145019

2020-05-07

Method of error concealment, and associated device

20190386674

2019-12-19

Error resiliency for entropy coded audio data

20170330577

2017-11-16

Adaptive audio encoder system, method and article

20150349823

2015-12-03

Wireless network receiver

20150200748

2015-07-16

Wireless communication device and communication terminal

20150146823

2015-05-28

Wireless network receiver

#10

20140163998

2014-06-12

Processing in the encoded domain of an audio signal encoded by ADPCM coding

#11

20130051579

2013-02-28

Prediction of signals

#12

20100183092

2010-07-22

Adaptive differential pulse code modulation/demodulation system and method

#13

20050080618

2005-04-14

Systems and methods for sound compression