PROBLEM TO BE SOLVED: To obtain a more compact speaker system excellent in bass reproduction performance.SOLUTION: A second edge is provided in the frame of a driver where not the bass reproduction characteristics but the bass reproduction capability is improved significantly. Conditions of not vibrating the enclosure of a speaker system are set, and signal processing of low-frequency cutoff in which the cutoff frequency is near the frequency where the impedance of a voice coil in a frequency range lower than the f0 of a driver is minimum, and near the point where the impedance of the voice coil is maximum, in a lower frequency range of band emphasis, is combined.
【課題】さらなる、小形で低音再生性能に優れたスピーカシステム。【解決手段】低音再生特性ではなく、低音再生能力の範囲を大幅に改善した、ドライバのフレームに第2エッジを設けたところの、スピーカシステムのエンクロージャが振動しない条件を設け、ドライバの f0 より低い周波数範囲のボイスコイルのインピーダンスが極小になる周波数付近で、帯域強調の、さらに低い周波数範囲にある、ボイスコイルのインピーダンスが極大になる付近を遮断周波数とする低域遮断の信号処理を組み合わせる。【選択図】図5
SOUND REPRODUCTION SYSTEM
音響再生システム
2015-07-16
Patent
Elektronische Ressource
Japanisch
IPC: | H04R LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS , Lautsprecher, Mikrofone, Schallplatten-Tonabnehmer oder ähnliche akustische, elektromechanische Wandler / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR |
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