Inventor
BAUMGARTE FRANK
US40 patents
⚠️ This page may combine multiple inventors who share the name “BAUMGARTE FRANK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
APPLE INC
25 patentsUS7627481B1Dec 1, 2009
Adapting masking thresholds for encoding a low frequency transient signal in audio data
APPLE INC280 citations99
US9559651B2Jan 31, 2017
Metadata for loudness and dynamic range control
APPLE INC23 citations92
US10276173B2Apr 30, 2019
Encoded audio extended metadata-based dynamic range control
APPLE INC6 citations84
US9934790B2Apr 3, 2018
Encoded audio metadata-based equalization
APPLE INC6 citations84
US7899677B2Mar 1, 2011
Adapting masking thresholds for encoding a low frequency transient signal in audio data
APPLE INC10 citations84
US11907611B2Feb 20, 2024
Deferred loudness adjustment for dynamic range control
APPLE INC2 citations73
US10785569B2Sep 22, 2020
Encoded audio metadata-based loudness equalization and dynamic equalization during DRC
APPLE INC3 citations73
US10699726B2Jun 30, 2020
Encoded audio metadata-based equalization
APPLE INC2 citations73
US10341770B2Jul 2, 2019
Encoded audio metadata-based loudness equalization and dynamic equalization during DRC
APPLE INC2 citations73
US10958229B2Mar 23, 2021
Metadata for loudness and dynamic range control
APPLE INC1 citations71
US12417773B2Sep 16, 2025
Stereo-based immersive coding
APPLE INC1 citations64
US12483854B2Nov 25, 2025
Method and system for efficiently encoding scene positions
APPLE INC0 citations63
US12432516B2Sep 30, 2025
Method and system for spatially rendering three-dimensional (3D) scenes
APPLE INC0 citations63
US12248731B2Mar 11, 2025
Deferred loudness adjustment for dynamic range control
APPLE INC0 citations62
US11501789B2Nov 15, 2022
Encoded audio metadata-based equalization
APPLE INC0 citations62
US11841899B2Dec 12, 2023
Spatial audio file format for storing capture metadata
APPLE INC0 citations61
US11563411B2Jan 24, 2023
Metadata for loudness and dynamic range control
APPLE INC0 citations60
US11252525B2Feb 15, 2022
Compressing spatial acoustic transfer functions
APPLE INC0 citations60
US12380904B2Aug 5, 2025
Seamless scalable decoding of channels, objects, and HOA audio content
APPLE INC0 citations57
US12374341B2Jul 29, 2025
Channel-aligned audio coding
APPLE INC0 citations52
US11430451B2Aug 30, 2022
Layered coding of audio with discrete objects
APPLE INC0 citations52
US10636448B2Apr 28, 2020
Audio buffering for processing with variable lookahead
APPLE INC0 citations52
US9837086B2Dec 5, 2017
Encoded audio extended metadata-based dynamic range control
APPLE INC0 citations52
US10644666B2May 5, 2020
Metadata for loudness and dynamic range control
APPLE INC0 citations50
US12424231B2Sep 23, 2025
Hierarchical spatial resolution codec
APPLE INC0 citations49
AGERE SYSTEMS INC
9 patentsUS7644003B2Jan 5, 2010
Cue-based audio coding/decoding
AGERE SYSTEMS INC52 citations98
US7583805B2Sep 1, 2009
Late reverberation-based synthesis of auditory scenes
AGERE SYSTEMS INC79 citations98
US7292901B2Nov 6, 2007
Hybrid multi-channel/cue coding/decoding of audio signals
AGERE SYSTEMS INC115 citations98
US7006636B2Feb 28, 2006
Coherence-based audio coding and synthesis
AGERE SYSTEMS INC119 citations98
US7941320B2May 10, 2011
Cue-based audio coding/decoding
AGERE SYSTEMS INC13 citations92
US7693721B2Apr 6, 2010
Hybrid multi-channel/cue coding/decoding of audio signals
AGERE SYSTEMS INC14 citations92
US7639823B2Dec 29, 2009
Audio mixing using magnitude equalization
AGERE SYSTEMS INC32 citations92
US7333930B2Feb 19, 2008
Tonal analysis for perceptual audio coding using a compressed spectral representation
AGERE SYSTEMS INC43 citations92
US7039204B2May 2, 2006
Equalization for audio mixing
AGERE SYSTEMS INC42 citations92