AUDIO PROCESSING DEVICE, AMPLIFIER DEVICE, AND AUDIO PROCESSING METHOD

To generate an audio signal having a desired frequency characteristic by mixing signals.SOLUTION: An audio processing device comprises: a first LPF that receives an audio signal; a circuit that receives the audio signal, including a first HPF and a preamplifier; a second HPF that receives the audio...

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Hauptverfasser:	MORIMOTO YOSHINOBU, OCHI TOSHIYUKI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS PUBLIC ADDRESS SYSTEMS
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Beschreibung
Zusammenfassung:	To generate an audio signal having a desired frequency characteristic by mixing signals.SOLUTION: An audio processing device comprises: a first LPF that receives an audio signal; a circuit that receives the audio signal, including a first HPF and a preamplifier; a second HPF that receives the audio signal; a second LPF that receives an output signal of the circuit; an extraction part that extracts each of an output signal of the first LPF, an output signal of the second HPF, and an output signal of the second LPF in a predetermined proportion; and a mixer that mixes the extracted output signals of the first LPF, the second HPF, and the second LPF.SELECTED DRAWING: Figure 5 【課題】信号の混合によって所望の周波数特性を有する音声信号を生成する。【解決手段】音声処理装置は、音声信号が入力される第１ＬＰＦと、音声信号が入力される、第１ＨＰＦ及びプリアンプを含む回路と、音声信号が入力される第２ＨＰＦと、回路の出力信号が入力される第２ＬＰＦと、第１ＬＰＦの出力信号、第２ＨＰＦの出力信号、及び第２ＬＰＦの出力信号の夫々を所定の割合で取り出す取り出し部と、取り出された第１ＬＰＦの出力信号、第２ＨＰＦの出力信号、及び第２ＬＰＦの出力信号をミキシングするミキサを備える。【選択図】図５