1
Akhteruzzaman: Telephone with automatic pause responsive, noise reduction muting and method. Lucent Technologies, Carmen B Patti, Wildman Harrold Allen & Dixon, April 3, 2001: US06212275 (58 worldwide citation)

A telephone with an automatic muting circuit that mutes the microphone in response to detection of speaking pauses of the local user to reduce noise due to acoustical feedback that are detected by comparing the waveforms from the microphone and the audio speaker after being amplified by amplifiers w ...


2
Kurt Keipert, Adam Schafer: Automatic muting. ECHOSTAR TECHNOLOGIES L L C, Kilpatrick Townsend & Stockton, April 25, 2017: US09632746 (23 worldwide citation)

Systems and methods for altering a volume level of an electronic device may include receiving a user input indicative of triggering a remote find operation to locate a remote control, and in response to the user input, sending a remote find instruction to the remote control. The remote find instruct ...


3
Larry Y L Mo, Dean W Brouwer: Method and apparatus for automatic muting of Doppler noise induced by ultrasound probe motion. GE Medical Systems Global Technology Company, Ostrager Chong & Flaherty, May 21, 2002: US06390983 (14 worldwide citation)

A method and an apparatus for monitoring the wall signal input to the wall filter of a spectral Doppler processor to check for probe-motion-induced clutter. This clutter is typically of higher frequency and amplitude than that due to normal vessel wall motion. Some additional threshold logic is used ...


4
James W Smith: Muting circuit for subscribers telephone. GTE Automatic Electric Laboratories Incorporated, Robert J Black, February 17, 1976: US03939311 (5 worldwide citation)

A subscribers telephone circuit that includes automatic muting of signals reproduced by a transducer contained within the subset, each time the telephone's handset is removed from its cradle. The circuit employs electronic techniques to eliminate the need for additional contacts on the hook switch t ...


5
Sandeep Kumar Chintala: Automatic call muting and apparatus using sound localization. Thompson Hine, September 5, 2017: US09756187 (3 worldwide citation)

A mobile telephone device (10) comprises a microphone (20) and one or more spaced audio sensors (12) to sense the position and/or voice characteristics of one or more individual speakers (16). A mute control means (14) employs sound phase, and/or sound time of arrival, and/or sound loudness to creat ...


6
Derek Stanley Juniper: Audio frequency automatic muting arrangement. Elliott Brothers, July 4, 1978: US04099127 (1 worldwide citation)

An audio frequency muting arrangement includes one circuit for detecting intelligence signals in a received audio frequency signal, and a further circuit for detecting noise signals, so as to compare the levels of the noise and intelligence signals and to control a muting switch in dependence thereo ...


7
Brachtl Miloslav: Improvements in or relating to radio transmitter control systems. Tesla Np, July 25, 1962: GB902031-A (1 worldwide citation)

902,031. Radio signalling. TESLA NARODNI PODNIK. Jan. 11, 1960, No. 925/60. Class 40 (5). A radio telephone system comprises a control station connected by four line wires to a number of fixed radio transmitting and receiving stations sited sequentially along a traffic route, e.g. a railway line or ...


8
Gary Spittle, Glenn Dickins, David Gunawan, Guilin Ma: Nearby talker obscuring, duplicate dialogue amelioration and automatic muting of acoustically proximate participants. Dolby Laboratories Licensing Corporation, November 27, 2018: US10142484

In an audio conferencing environment, including multiple users participating by means of a series of associated audio input devices for the provision of audio input, and a series of audio output devices for the output of audio output streams to the multiple users, with the audio input and output dev ...


9
FENG JINWEI, CHU PETER L: [fr] Désactivation automatique des bruits indésirables par un réseau de microphones, [de] Automatische Stummschaltung von unerwünschten Geräuschen durch Mikrofonanordnung, [en] Automatic muting of undesired noises by a microphone array. POLYCOM, FENG JINWEI, CHU PETER, October 30, 2013: EP2658282-A1

[en] Methods and systems for cancelation of table noise in a speaker system used for video or audio conferencing are disclosed. Table noise is cancelled by using a vertical microphone array (102) to distinguish the tilt angle of sound received by a microphone. If the sound is close to horizontal, th ...


10
Alistair James MacDonald: Intelligent safer music system for an operating room. Seed IP Law Group, July 18, 2017: US09710221

An integrated and reactive music control system designed for silencing music in an operating room during critical events. The preferred system contains a music input, a hardware interface to integrate real-time patient physiologic data, a software application to process the data, a user interface, a ...