Inventor
ANDERSEN JACK B
US31 patents
⚠️ This page may combine multiple inventors who share the name “ANDERSEN JACK B”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
D2AUDIO CORP
24 patentsUS7649410B2Jan 19, 2010
Systems and methods for improving performance in a digital amplifier by adding an ultrasonic signal to an input audio signal
D2AUDIO CORP112 citations97
US7286009B2Oct 23, 2007
Digital PWM amplifier with simulation-based feedback
D2AUDIO CORP62 citations97
US7078963B1Jul 18, 2006
Integrated PULSHI mode with shutdown
D2AUDIO CORP87 citations97
US7167112B2Jan 23, 2007
Systems and methods for implementing a sample rate converter using hardware and software to maximize speed and flexibility
D2AUDIO CORP121 citations96
US7929718B1Apr 19, 2011
Systems and methods for switching and mixing signals in a multi-channel amplifier
D2AUDIO CORP23 citations92
US7576606B2Aug 18, 2009
Digital PWM amplifier having a low delay corrector
D2AUDIO CORP16 citations92
US7286010B2Oct 23, 2007
Systems and methods for over-current protection
D2AUDIO CORP17 citations92
US7061312B2Jun 13, 2006
Systems and methods for providing multi channel pulse width modulated audio with staggered outputs
D2AUDIO CORP39 citations92
US7023268B1Apr 4, 2006
Systems and methods for automatically adjusting channel timing
D2AUDIO CORP48 citations90
US7908306B1Mar 15, 2011
SRC with multiple sets of filter coefficients in memory and a high order coefficient interpolator
D2AUDIO CORP12 citations84
US7812666B2Oct 12, 2010
Low delay corrector
D2AUDIO CORP8 citations84
US7728658B2Jun 1, 2010
Low-noise, low-distortion digital PWM amplifier
D2AUDIO CORP19 citations84
US7706545B2Apr 27, 2010
Systems and methods for protection of audio amplifier circuits
D2AUDIO CORP12 citations84
US7590251B2Sep 15, 2009
Clip detection in PWM amplifier
D2AUDIO CORP10 citations84
US7482865B2Jan 27, 2009
Systems and methods for correcting errors resulting from component mismatch in a feedback path
D2AUDIO CORP13 citations84
US7474722B1Jan 6, 2009
Systems and methods for sample rate conversion using multiple rate estimate counters
D2AUDIO CORP11 citations84
US7738613B1Jun 15, 2010
Streaming multi-channel audio as packetized data or parallel data with a separate input frame sync
D2AUDIO CORP13 citations82
US7518444B2Apr 14, 2009
PWM feedback/feed-forward protection
D2AUDIO CORP7 citations73
US7425853B2Sep 16, 2008
Systems and methods for pulse width modulating asymmetric signal levels
D2AUDIO CORP4 citations63
US7315264B2Jan 1, 2008
Systems and methods for controlling transient response in the output of a noise shaper
D2AUDIO CORP3 citations63
US7729790B1Jun 1, 2010
Phase alignment of audio output data in a multi-channel configuration
D2AUDIO CORP5 citations62
US7436255B2Oct 14, 2008
Power supply feed forward analog input filter component mismatch correction
D2AUDIO CORP2 citations62
US7584009B2Sep 1, 2009
Multi-chip PWM synchronization and communication
D2AUDIO CORP4 citations58
US7436918B2Oct 14, 2008
Output stage synchronization
D2AUDIO CORP1 citations52
CIRRUS LOGIC INC
4 patentsUS6762704B1Jul 13, 2004
Modulation of a digital input signal using multiple digital signal modulators
CIRRUS LOGIC INC29 citations93
US6693571B2Feb 17, 2004
Modulation of a digital input signal using a digital signal modulator and signal splitting
CIRRUS LOGIC INC50 citations89
US6925115B1Aug 2, 2005
Apparatus and method for safely handling asychronous shutdown of pulsewidth modulated output
CIRRUS LOGIC INC6 citations60
US6784710B2Aug 31, 2004
Multistage pulse width modulator
CIRRUS LOGIC INC4 citations54