Category:Christian HELMRICH

Christian HELMRICH

Executive Summary

Christian HELMRICH is an inventor who has filed 6 patents. Their primary areas of innovation include Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis (in musical instruments (4 patents), SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING (2 patents), SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING (2 patents), and they have worked with companies such as Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. (6 patents). Their most frequent collaborators include (2 collaborations), (1 collaborations), (1 collaborations).

Patent Filing Activity

Technology Areas

List of Technology Areas

• G10L19/008 (Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis (in musical instruments): 4 patents
• G10L19/03 (SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING): 2 patents
• G10L19/0212 (SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING): 2 patents
• G10L19/032 (SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING): 2 patents
• G10L19/022 (SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING): 1 patents
• G10L19/028 (SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING): 1 patents
• G10L19/035 (SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING): 1 patents
• H04S3/008 ({in which the audio signals are in digital form, i.e. employing more than two discrete digital channels (data reduction aspects thereof based on psychoacoustics): 1 patents
• H04S2400/01 (Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved): 1 patents
• H04S2400/03 (Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1 (): 1 patents
• H04S2420/03 (Application of parametric coding in stereophonic audio systems): 1 patents
• G10L19/087 (SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING): 1 patents
• G10L19/06 (SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING): 1 patents
• G10L19/16 (SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING): 1 patents
• G10L19/26 (SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING): 1 patents
• G10L19/265 (SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING): 1 patents
• G10L19/08 (SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING): 1 patents
• H04N19/70 (characterised by syntax aspects related to video coding, e.g. related to compression standards): 1 patents
• H04N19/117 (Filters, e.g. for pre-processing or post-processing (sub-band filter banks): 1 patents
• H04N19/12 (Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264): 1 patents
• H04N19/124 (Quantisation): 1 patents
• H04N19/13 (Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]): 1 patents
• H04N19/172 (the unit being an image region, e.g. an object): 1 patents
• H04N19/61 (PICTORIAL COMMUNICATION, e.g. TELEVISION): 1 patents
• H04N19/176 (the unit being an image region, e.g. an object): 1 patents
• G10L19/18 (SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING): 1 patents

Companies

List of Companies

• Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.: 6 patents

Collaborators

• Stefan DOEHLA (2 collaborations)
• Sascha DICK (1 collaborations)
• Andreas HOELZER (1 collaborations)
• Maria Luis VALERO (1 collaborations)
• Johannes HILPERT (1 collaborations)
• Bernhard GRILL (1 collaborations)
• Nikolaus RETTELBACH (1 collaborations)
• Benjamin BROSS (1 collaborations)
• Tung Hoang NGUYEN (1 collaborations)
• Heiko SCHWARZ (1 collaborations)
• Detlev MARPE (1 collaborations)
• Thomas WIEGAND (1 collaborations)
• Bernd EDLER (1 collaborations)
• Emmanuel RAVELLI (1 collaborations)
• Markus SCHNELL (1 collaborations)
• Wolfgang JAEGERS (1 collaborations)
• Martin DIETZ (1 collaborations)
• Goran MARKOVIC (1 collaborations)
• Eleni FOTOPOULOU (1 collaborations)
• Markus MULTRUS (1 collaborations)
• Stefan BAYER (1 collaborations)
• Guillaume FUCHS (1 collaborations)
• Juergen HERRE (1 collaborations)