Inventor

EKSTRAND PER

SE180 patents

⚠️ This page may combine multiple inventors who share the name “EKSTRAND PER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

EKSTRAND PER

DOLBY INT AB

Spectral translation/folding in the subband domain

Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element

Backward-compatible integration of high frequency reconstruction techniques for audio signals

Backward-compatible integration of harmonic transposer for high frequency reconstruction of audio signals

Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element

Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element

Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element

Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element

Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element

Spectral translation/folding in the subband domain

Oversampling in a combined transposer filterbank

Oversampling in a combined transposer filterbank

Virtual bass synthesis using harmonic transposition

Backward-compatible integration of high frequency reconstruction techniques for audio signals

Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element

Oversampling in a combined transposer filter bank

Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element

Oversampling in a combined transposer filterbank

Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element

Spectral translation/folding in the subband domain

Oversampling in a combined transposer filterbank

Complex-valued filter bank with phase shift for high frequency reconstruction or parametric stereo

Spectral translation/folding in the subband domain

Spectral translation/folding in the subband domain

Non-uniform parameter quantization for advanced coupling

Low delay modulated filter bank

Low delay modulated filter bank

CODING TECH AB

Methods for improving high frequency reconstruction

Apparatus and method applying adaptive spectral whitening in a high-frequency reconstruction coding system

Efficient spectral envelope coding using variable time/frequency resolution and time/frequency switching

Aliasing reduction using complex-exponential modulated filterbanks

Apparatus and method applying adaptive spectral whitening in a high-frequency reconstruction coding system

Efficient spectral envelope coding using variable time/frequency resolution and time/frequency switching

Enhancing source coding systems by adaptive transposition

CODING TECHNOLOGIES SWEDEN AB

Spectral translation/folding in the subband domain

Efficient spectral envelope coding using variable time/frequency resolution and time/frequency switching

Enhancing perceptual performance of sbr and related hfr coding methods by adaptive noise-floor addition and noise substitution limiting

Spectral translation/folding in the subband domain

Enhancing perceptual performance of SBR and related HFR coding methods by adaptive noise-floor addition and noise substitution limiting

FRAUNHOFER GES FORSCHUNG

Apparatus and method for processing an input audio signal using cascaded filterbanks

Apparatus and method for processing an input audio signal using cascaded filterbanks

Apparatus and method for processing an input audio signal using cascaded filterbanks

LILJERYD LARS

Spectral translation/folding in the subband domain

Spectral translation/folding in the subband domain

VILLEMOES LARS

Oversampling in a combined transposer filter bank

Apparatus and method for processing an input audio signal using cascaded filterbanks

KONINKL PHILIPS ELECTRONICS NV

Audio signal encoding or decoding

KJOERLING KRISTOFER

Methods and apparatus for improving high frequency reconstruction of audio and speech signals

EKSTRAND PER

Low delay modulated filter bank

LILJERYD LARS G

Enhancing perceptual performance of SBR and related HFR coding methods by adaptive noise-floor addition and noise substitution limiting