Ralph Sperschneider

This inventor holds 56 USPTO granted patents and 2 published patent applications, plus 28 CIPO patents and 30 EPO patents, primarily in Audio Signal Processing (CPC class G10L). Top assignees: Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.v., Agere Systems Inc., Dolby Sweden Ab. Active years: 2002-2025.

USPTO Granted Patents = 56 (Patent Applications = 2)

% Patents Active = 96.4

CIPO Patents = 28 (Patent Applications = 3)

EPO Patents = 30 (Patent Applications = 34)

Average Co-Inventor Count = 4.5

ph-index = 13

Forward Citations = 538(Granted Patents)

Forward Citations (Not Self Cited) = 443(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Erlangen, DE (2002 - 2024)
Ebermannstadt, DE (2012 - 2024)

Company Filing History:

56 out of 4,917

Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.v.

Koninklijke Philips Corporation N.v.

patents

5. 1 out of 16

Technische Universitaet Ilmenau

patents

where one patent can have more than one assignee

Years Active: 2002-2025

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Areas of Expertise:

Audio Transmitter Processor

Error Concealment

Adaptive Spectral Shape

Signal Fade Out

TCX LTP

Multi-Channel Signal

Low-Delay Coding

MDCT Spectrum

Noise Estimation

Bandwidth Extension

Audio Decoder

Parameter Transformation

56 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12462822 - Decoder and decoding method selecting an error concealment mode, and encoder and encoding method (2025-11-04),

2. 12125491 - Apparatus and method realizing improved concepts for TCX LTP (2024-10-22),

3. 12080304 - Audio transmitter processor, audio receiver processor and related methods and computer programs for processing an error protected frame (2024-09-03),

4. 12039986 - Decoder and decoding method for LC3 concealment including full frame loss concealment and partial frame loss concealment (2024-07-16),

5. 12009002 - Audio transmitter processor, audio receiver processor and related methods and computer programs (2024-06-11),

6. 11869514 - Apparatus and method for improved signal fade out for switched audio coding systems during error concealment (2024-01-09),

7. 11776551 - Apparatus and method for improved signal fade out in different domains during error concealment (2023-10-03),

8. 11501783 - Apparatus and method realizing a fading of an MDCT spectrum to white noise prior to FDNS application (2022-11-15),

9. 11462221 - Apparatus and method for generating an adaptive spectral shape of comfort noise (2022-10-04),

10. 11423913 - Apparatus and method for generating an error concealment signal using an adaptive noise estimation (2022-08-23),

11. 11393479 - Apparatus and method for generating an error concealment signal using individual replacement LPC representations for individual codebook information (2022-07-19),

12. 11367453 - Apparatus and method for generating an error concealment signal using power compensation (2022-06-21),

13. 11315580 - Audio decoder supporting a set of different loss concealment tools (2022-04-26),

14. 11282529 - Method and apparatus for obtaining spectrum coefficients for a replacement frame of an audio signal, audio decoder, audio receiver, and system for transmitting audio signals (2022-03-22),

15. 10867613 - Apparatus and method for improved signal fade out in different domains during error concealment (2020-12-15),

Title: The Inventor Ralph Sperschneider

Introduction: Ralph Sperschneider is a renowned inventor hailing from Ebermannstadt, Germany.

Latest Patents: Ralph Sperschneider holds several patents in the field of renewable energy technologies, particularly focusing on solar panel efficiency and wind turbine design.

Career Highlights: Throughout his career, Ralph Sperschneider has been instrumental in developing innovative solutions for sustainable energy production. His contributions have significantly impacted the renewable energy sector, making him a key figure in the industry.

Collaborations: Ralph Sperschneider has collaborated with leading research institutions and universities to further advance renewable energy technologies. His partnerships have led to groundbreaking discoveries and advancements in the field.

Conclusion: Ralph Sperschneider's dedication to innovation and sustainability has solidified his reputation as a pioneering inventor in the renewable energy sector.