Patents
Sitemap › H03 - Basic electronic circuitry › H03G - Control of amplification › H03G 5 - Tone control or bandwidth control in amplifiers
Patents for H03G 5 - Tone control or bandwidth control in amplifiers (3,156)
08/2010
08/26/2010US20100215182 Light-Emission Responder
08/19/2010US20100208899 Method and system for enhancing bass effect in audio signals
08/18/2010CN201557085U Equalizer
08/18/2010CN101807910A Input selector, signal processing circuit, audio signal processing circuit
08/17/2010US7778426 Feedback suppression in sound signal processing using frequency translation
08/12/2010US20100202630 Method and system for approximating graphic equalizers using dynamic filter order reduction
08/12/2010US20100202629 Sound reproduction systems
08/10/2010US7774078 Method and apparatus for audio data analysis in an audio player
08/03/2010US7769184 Apparatus and method for measuring sound field
07/2010
07/27/2010US7764802 Frequency-warped audio equalizer
07/22/2010US20100183168 Semiconductor device
07/21/2010EP2209326A1 Auditory sensibility correction device
07/21/2010CN101783656A Loudness control method, module and device of stereo system
07/08/2010US20100172522 Programmable earphone device with customizable controls and heartbeat monitoring
07/08/2010US20100172515 Filter circuit
07/01/2010US20100166223 Adjusting acoustic speaker output based on an estimated degree of seal of an ear about a speaker port
07/01/2010US20100166222 System and method for digital signal processing
07/01/2010US20100166221 Sound setting apparatus and sound setting method
07/01/2010US20100166220 Band division apparatus
07/01/2010US20100166219 Elevated toroid microphone apparatus
07/01/2010US20100166218 Sound Processor, Sound Reproducer, and Sound Processing Method
07/01/2010US20100166217 Method of and circuit for adjusting frequency of a driving signal of electronic horn by means of capacitor
06/2010
06/29/2010US7747027 Method of generating test tone signal and test-tone-signal generating circuit
06/24/2010US20100158274 Increased dynamic range microphone
06/24/2010US20100158273 System and method for dynamic bass frequency control
06/24/2010US20100158272 Asymmetric polynomial psychoacoustic bass enhancement
06/23/2010CN101167250B Dynamic range control and equalization method and apparatus of digital audio using warped processing
06/22/2010US7742758 Mobile conferencing and audio sharing technology
06/22/2010US7741904 Efficient integrated linear amplifier module
06/17/2010US20100150377 Sound outputting apparatus to correct sound quality and method of correcting sound quality thereof
06/16/2010CN1992513B Effect adding method and effect adding apparatus
06/16/2010CN101741332A Low-resistance transmission line receiving preamplifier
06/15/2010US7739603 Signal routing apparatus and signal routing program
06/10/2010US20100142728 Information processing apparatus processing notification sound and audio-based contents, and information processing method thereof
06/10/2010US20100142727 Sound processing methods and apparatus
06/09/2010CN1716764B System and method for adjusting an audio signal
06/09/2010CN101729033A Adjustable equalizer and method for adjusting equalizer
06/03/2010US20100137019 Reduction in interference between components
06/01/2010US7729491 Method and device for amplifying a reception signal
05/2010
05/27/2010US20100128902 Combination equalizer and calibrator circuit assembly for audio system
05/27/2010US20100128901 Wind noise rejection apparatus
05/27/2010US20100128900 Adapter accessory for electronic device sharing
05/25/2010US7724909 Automobile audio system
05/25/2010US7721641 Air compression apparatus and method of use
05/18/2010US7720237 Phase equalization for multi-channel loudspeaker-room responses
05/18/2010US7719354 Dynamic biasing system for an amplifier
05/13/2010US20100119082 Pitch Detection Apparatus and Method
05/13/2010US20100119081 Electroacoustical transducing with low frequency augmenting devices
05/11/2010US7715573 Audio bandwidth expansion
05/06/2010WO2010049713A1 Variable gain amplifier
05/06/2010WO2010049501A1 Method and apparatus for automatically optimizing the transfer function of a loudspeaker system
05/06/2010US20100111330 Audio mixing using magnitude equalization
05/05/2010CN1801611B Bass boosting processing method and device
05/04/2010US7711129 Method and system for approximating graphic equalizers using dynamic filter order reduction
05/04/2010US7711127 Apparatus, method and program for processing acoustic signal, and recording medium in which acoustic signal, processing program is recorded
04/2010
04/29/2010US20100104114 Timbral correction of audio reproduction systems based on measured decay time or reverberation time
04/28/2010EP1600941B1 Dip filter frequency characteristic decision method
04/27/2010US7706558 Automated system for adjusting line array speakers
04/22/2010WO2010044439A1 Audio signal adjustment device and audio signal adjustment method
04/20/2010US7702115 Method and apparatus to reconstruct high-frequency components of an audio signal
04/20/2010US7702111 Audio stereo processing method, device and system
04/08/2010US20100086149 Acoustic processing system and method for electronic apparatus and mobile telephone terminal
04/08/2010US20100086148 Apparatus and method for processing audio signal
04/08/2010US20100086147 Harmonics generation apparatus and method thereof
03/2010
03/18/2010US20100067716 Signal Processing Device, Signal Processing Method, and Sound Emitting System
03/10/2010CN201422103Y Audio frequency processor
03/10/2010CN101667814A Audio playing method and audio player
03/09/2010US7676362 Method and apparatus for enhancing loudness of a speech signal
03/09/2010US7676048 Graphic equalizers
03/09/2010CA2502974C Howling frequency component emphasis method and apparatus
03/02/2010US7671681 Gigabit ethernet transceiver with analog front end
02/2010
02/25/2010US20100046772 Sound level control
02/25/2010US20100046771 Multiple-use acoustic port
02/23/2010US7668319 Signal processing system, signal processing apparatus and method, recording medium, and program
02/18/2010US20100040244 Method and system for auditory enhancement and hearing conservation
02/16/2010US7664276 Multipass parametric or graphic EQ fitting
02/16/2010US7664197 AM receiving circuit
02/02/2010US7657039 Sound quality enhancement circuit for audio signals and audio amplifier circuit using the same
01/2010
01/26/2010US7653447 Integrated audio video signal processing system using centralized processing of signals
01/14/2010US20100008521 Volume and tone control in direct digital speakers
01/06/2010CN100579298C Mixer apparatus and method for changing parameter settings in the mixer apparatus
12/2009
12/31/2009US20090323984 Information processing device, control method therefor, and program
12/31/2009US20090323983 Method and a system for reconstituting low frequencies in audio signal
12/30/2009EP2137817A2 Application of signal advance amplification to analog waveform or signal detection, acquisition and processing
12/29/2009US7640069 Editing audio directly in frequency space
12/29/2009US7639823 Audio mixing using magnitude equalization
12/24/2009US20090316930 Wide-band equalization system
12/24/2009US20090316912 Device for and a method of processing audio data
12/22/2009US7636443 Audio enhancement system
12/17/2009US20090310799 Information processing apparatus and method, and program
12/16/2009CN201365230Y Negative feedback audio-frequency harmonic exciting circuit
12/16/2009CN201365229Y Audio-frequency harmonic exciting circuit
12/10/2009US20090304204 Controlling reproduction of audio data
12/10/2009US20090304196 Wireless vocal microphone with built-in auto-chromatic pitch correction
12/03/2009US20090296959 Mismatched speaker systems and methods
12/02/2009EP2128978A1 Reproducing apparatus and reproducing method
12/02/2009EP2127074A1 Audio reproduction method and apparatus with auto volume control function
11/2009
11/26/2009US20090290725 Automatic equalizer adjustment setting for playback of media assets
11/26/2009US20090290724 Loudspeaker system and loudspeaker having a tweeter array
11/25/2009EP2122489A1 Frequency-warped audio equalizer
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