Inventor
Vesa Ruoppila
Inventor
Nuremberg, DE
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G10Lprimary
G10LSpeech analysis techniques or speech synthesis63%
G06FElectric digital data processing21%
G10KSound-producing devices5%
H03MCoding5%
H04SStereophonic systems5%
PatentTitleYear
10,714,108Linear prediction coefficient conversion device and linear prediction coefficient conversion method202010,714,107Linear prediction coefficient conversion device and linear prediction coefficient conversion method202010,269,360Efficient format conversion in audio coding201910,163,448Linear prediction coefficient conversion device and linear prediction coefficient conversion method20189,047,859'Apparatus and method for encoding and decoding an audio signal using an aligned look-ahead portion'20159,015,040'Apparatus and method for encoding and decoding an audio signal using an aligned look-ahead portion'20158,121,833'Signal modification method for efficient coding of speech signals'20127,680,651'Signal modification method for efficient coding of speech signals'20106,915,257'Method and apparatus for speech coding with voiced/unvoiced determination'20056,606,593'Methods for generating comfort noise during discontinuous transmission'20036,584,437'Method and apparatus for coding successive pitch periods in speech signal'20036,202,045'Speech coding with variable model order linear prediction'20015,960,389'Methods for generating comfort noise during discontinuous transmission'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999–2005Patents assigned to NOKIA MOBILE PHONES LTD (5)· patent assignee history
1999–2003Based in Tampere, FI· patent location history
2005Based in Mont-Royal, CA· patent location history
2010–2012Patents assigned to NOKIA CORP (2)· patent assignee history
2010–2012Based in Montréal, CA· patent location history
2015Patents assigned to FRAUNHOFER GES FORSCHUNG (1)· patent assignee history
2015–2020Based in Nuremberg, DE· patent location history
2018–2020Patents assigned to NTT DOCOMO INC (3)· patent assignee history
2019Patents assigned to DOLBY INT AB (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NOKIA MOBILE PHONES LTD | 5 | 1999–2005 |
| NTT DOCOMO INC | 3 | 2018–2020 |
| NOKIA CORP | 2 | 2010–2012 |
| DOLBY INT AB | 1 | 2019 |
| FRAUNHOFER GES FORSCHUNG | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Nuremberg, DE | 6 | 2015–2020 |
| Tampere, FI | 4 | 1999–2003 |
| Montréal, CA | 2 | 2010–2012 |
| Mont-Royal, CA | 1 | 2005 |