A supplemental speaker and microphone system for use with a cellular phone has a plug to connect to an audio socket of the cellular phone. A base of the system carries a speaker, a primary microphone and a primary transceiver. A pair of remote microphone pucks is removably disposed on the...
摘要：Microphone includes: a microphone element; a simulative feedback signal generation section that generates a simulative feedback signal simulating a feedback signal generated by a sound, produced via a speaker, returning the microphone element;and an arithmetic operator that subtracts the sim...
SPEAKER SYSTEM, SOUND PROCESSING DEVICE, SOUND PROCESSING METHOD, AND RECORDING MEDIUM sound, a microphone, and a sound processing device which processes a sound output from the wearable speaker and a sound picked up by the microphone. The... U Sangakkara,T Takizawa,E Saitou,... 被引量: 0...
surfaces of quartz crystal. It works based on piezo electric effect. It is preferred in sound recording system. Crystal microphone which is used in front of speaker's mouth is known as lips microphone. Crystal microphone which is used on speaker's neck or chest is known as Cardiod ...
MICROPHONE AND LOUDSPEAKER SYSTEM 优质文献 相似文献 参考文献 引证文献Optimal shadow omniphonic microphone and loudspeaker system The invention comprises a microphone and loud speaker system in which the components include a cylinder having a center section and an end section at each ... R Wehner - ...
(g) of almost 5 Hz, which is not critical for the measurement shown above. In smaller rooms, the reflections arrive sooner, so that the lower limit frequency at a t(f) of 20 ms is already at 50 Hz. From this it can be deduced that speaker and microphone should be placed as far ...
AtlasIED offers a complete professional microphone system featuring durable and tour-grade mic stands and accessories for a professional sound quality.
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The assembly has a key (50) to simultaneously close interrupters (34,36) in respective microphone (16) and loud speaker (22) circuits for allowing the assembly to cooperate with a mobile phone. The closing of the interrupters (36, 34) does not disturb calls originated from the circuits (...
United States Patent 1890742 Inventors: Rodolphe, Messmer Application Number: US61947832A Publication Date: 12/13/1932 Filing Date: 06/27/1932 Export Citation: Click for automatic bibliography generation Assignee: Rodolphe, Messmer Primary Class: ...