| Patents for H04R 3 - Circuits for transducers (18,190) |
|---|
| 08/15/2013 | US20130208928 Audio processing apparatus |
| 08/15/2013 | US20130208923 Microphone apparatus and method for removing unwanted sounds |
| 08/15/2013 | US20130208918 Adaptive gain control for digital audio samples in a media stream |
| 08/15/2013 | US20130208917 Automatic Equalization Using Adaptive Frequency-Domain Filtering and Dynamic Fast Convolution |
| 08/14/2013 | EP2627105A1 Audio processing apparatus |
| 08/14/2013 | DE202009018808U1 Mehrfachmembranmikrophon für Audioaufnahmen hoher Amplitude Multiple diaphragm microphone for audio recording high amplitude |
| 08/14/2013 | DE102011006472B4 Verfahren zur Verbesserung der Sprachverständlichkeit mit einem Hörhilfegerät sowie Hörhilfegerät A method for improving the intelligibility of speech with a hearing aid and hearing aid |
| 08/14/2013 | CN203136245U 多功能无线led装置及多功能无线音箱系统 Multifunction devices and multifunction wireless led wireless speaker system |
| 08/14/2013 | CN203136143U Self-adaptive connecting circuit of headset |
| 08/14/2013 | CN203136142U Loudspeaker protective circuit |
| 08/14/2013 | CN203136141U A power switching circuit of a Bluetooth earphone |
| 08/14/2013 | CN203136140U High quality active integrated sound box |
| 08/14/2013 | CN203136139U Audio acquisition system |
| 08/14/2013 | CN203136138U Audio signal input converting circuit and audio player |
| 08/14/2013 | CN203136118U Wireless earphone based on visible light transmission |
| 08/14/2013 | CN203135124U Earphone socket and earphone noise reduction device |
| 08/14/2013 | CN203133745U APO (Automatic Power Off) device of computer sound box |
| 08/14/2013 | CN103250430A 振荡器设备和电子仪器 Oscillator equipment and electronic devices |
| 08/14/2013 | CN103248985A Noise-suppression circuit provided with blocking capacitor of audio amplifier |
| 08/14/2013 | CN103248984A Audio power amplifier module supporting hot plug and method of audio power amplifier module |
| 08/14/2013 | CN103248983A System and method for a PCM interface for a capacitive signal source |
| 08/14/2013 | CN103248982A Peak detection when adapting a signal gain based on signal loudness |
| 08/14/2013 | CN101897199B Sound collecting device and sound collecting method |
| 08/14/2013 | CN101803185B Audio power amplifier |
| 08/14/2013 | CN101803183B Local broadcasting system |
| 08/13/2013 | US8509459 Noise cancelling microphone with reduced acoustic leakage |
| 08/13/2013 | US8509454 Focusing on a portion of an audio scene for an audio signal |
| 08/08/2013 | WO2013116458A1 Mixer and multichannel audio interface for a tablet computer |
| 08/08/2013 | WO2013115978A1 Motion based compensation of downlinked audio |
| 08/08/2013 | WO2013061252A3 Post-filter common-gain determination |
| 08/08/2013 | US20130204617 Apparatus, system and method for noise cancellation and communication for incubators and related devices |
| 08/08/2013 | US20130202142 Low power microphone circuits for vehicles |
| 08/08/2013 | US20130202133 Audio signal processing system |
| 08/08/2013 | US20130202129 Object-oriented audio streaming system |
| 08/08/2013 | US20130202114 Controllable Playback System Offering Hierarchical Playback Options |
| 08/08/2013 | DE112010005927T5 AV-System AV system |
| 08/08/2013 | DE102010007336B4 Verfahren zum Kompensieren eines Rückkopplungssignals und Hörvorrichtung A method for compensating for a feedback signal and the hearing device |
| 08/07/2013 | CN203120142U Vehicle-mounted audio system with battery power alarm function |
| 08/07/2013 | CN203120141U Self-adaption volume regulating and controlling device of advertisement terminal |
| 08/07/2013 | CN203120140U Audio amplification circuit with standby function |
| 08/07/2013 | CN203120136U Timing sound equipment |
| 08/07/2013 | CN203120126U Headset loudspeaker box with automatic switchover function |
| 08/07/2013 | CN203120114U Earphone interface protection circuit and terminal equipment thereof |
| 08/07/2013 | CN203120107U Emergency multifunctional hand-operated charging electric-torch sound box |
| 08/07/2013 | CN203119843U Automobile audio pure digital transmission power amplifier |
| 08/07/2013 | CN203106620U Multifunctional tableware capable of producing sound |
| 08/07/2013 | CN103238343A A method for optimizing performance of a multi-transducer earpiece and a multi-transducer earpiece |
| 08/07/2013 | CN103237282A Wireless audio processing equipment, wireless audio player and working method thereof |
| 08/07/2013 | CN103237281A Earphone wire control circuit of mobile terminal and wire control method |
| 08/07/2013 | CN103237274A Audio equipment, microphone and operating method thereof, and audio transmission system |
| 08/07/2013 | CN101911730B Signaling microphone covering to the user |
| 08/07/2013 | CN101627640B Loudspeaker apparatus for radiating acoustic waves in a hemisphere |
| 08/07/2013 | CN101620855B Speech sound enhancement device |
| 08/07/2013 | CA2803615A1 Two mode agc for single and multiple speakers |
| 08/06/2013 | US8503697 Pickup signal processing apparatus, method, and program product |
| 08/06/2013 | US8503693 Biology-inspired miniature system and method for sensing and localizing acoustic signals |
| 08/06/2013 | US8503692 Forming virtual microphone arrays using dual omnidirectional microphone array (DOMA) |
| 08/06/2013 | US8503691 Virtual microphone arrays using dual omnidirectional microphone array (DOMA) |
| 08/06/2013 | CA2805138A1 Division of a graphical display into regions |
| 08/01/2013 | WO2013112846A1 Method and apparatus for circuit with low ic power dissipation and high dynamic range |
| 08/01/2013 | WO2013111348A1 Method and device for controlling directionality |
| 08/01/2013 | WO2013111298A1 Headphones |
| 08/01/2013 | WO2013111113A1 Feature-based level control |
| 08/01/2013 | US20130195297 Multi-directional and omnidirectional hybrid microphone for hearing assistance devices |
| 08/01/2013 | US20130195285 Zone based presence determination via voiceprint location awareness |
| 08/01/2013 | US20130195283 Tip-ring-ring-sleeve push-to-talk system and methods |
| 08/01/2013 | US20130195282 Active vibration noise control device |
| 08/01/2013 | DE102012201100A1 Ansteuerungsschaltung und Verfahren zur aktiven Dämpfung eines Ultraschallwandlers, sowie Ultraschall-Messsystem Driving circuit and method for active attenuation of an ultrasonic transducer, and the ultrasonic measuring system |
| 07/31/2013 | EP2621198A2 Adaptive feedback cancellation based on inserted and/or intrinsic signal characteristics and matched retrieval |
| 07/31/2013 | EP2621197A1 Audio processing apparatus |
| 07/31/2013 | CN203104757U Magnetic field induction loudspeaker |
| 07/31/2013 | CN203104756U Mute circuit during turning on and off |
| 07/31/2013 | CN203104755U WiFi (Wireless Fidelity) wireless sound box |
| 07/31/2013 | CN203104754U Acoustic device |
| 07/31/2013 | CN203104753U Interference locating device of portable-type active invisible headset |
| 07/31/2013 | CN203104752U Vehicle-mounted Bluetooth earphone device |
| 07/31/2013 | CN203104751U Noise suppression module for electronic volume switch |
| 07/31/2013 | CN203104750U Wireless remote control earphone vibrating sensor |
| 07/31/2013 | CN203104749U Multifunctional integrated portable sound equipment |
| 07/31/2013 | CN203104741U Ear bone type sound-insulating fire-fighting earphone |
| 07/31/2013 | CN203104722U Microphone convenient for requesting a song |
| 07/31/2013 | CN203104383U High Q quality band pass filter used for audio frequency near field payment |
| 07/31/2013 | CN103229519A Fitting an auditory prosthesis |
| 07/31/2013 | CN103229517A A device comprising a plurality of audio sensors and a method of operating the same |
| 07/31/2013 | CN103227614A Power amplifying apparatus and audio system |
| 07/31/2013 | CN103226368A Fast power-up bias voltage circuit |
| 07/30/2013 | US8498431 Capacitor microphone |
| 07/30/2013 | CA2638986C Method and apparatus allowing for user-selectable acoustic equalizer settings for voice calls |
| 07/25/2013 | WO2013108647A1 Analog mixer device |
| 07/25/2013 | WO2013108426A1 Portable telephone having cartilage conduction section |
| 07/25/2013 | WO2013108147A1 Audio source position estimation |
| 07/25/2013 | WO2013108077A1 High dynamic range microphone system |
| 07/25/2013 | WO2013107307A1 Noise reduction method and device |
| 07/25/2013 | WO2013107271A1 Audio interface adapter device and audio signal receiving apparatus |
| 07/25/2013 | US20130190041 Smartphone Speakerphone Mode With Beam Steering Isolation |
| 07/25/2013 | US20130188810 Audio signal processing system and recording method |
| 07/25/2013 | US20130188807 Apparatus, Method and Computer Program for Controlling an Acoustic Signal |
| 07/25/2013 | US20130188797 Over-Sampled Single-Sided Subband Echo Cancellation |
| 07/25/2013 | DE102012201055A1 Anordnung zum Erzeugen und/oder Detektieren von Ultraschallwellen und Verfahren zum Herstellen einer Anordnung zum Erzeugen und/oder Detektieren von Ultraschallwellen Arrangement for generating and / or detecting ultrasonic waves, and method for manufacturing a device for generating and / or detecting ultrasonic waves |
| 07/25/2013 | DE102006003830B4 Umgebungsbeleuchtungseinrichtung Ambient illumination device |