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  • 오디오 시스템과 청력의 관계

오디오 시스템과 청력의 관계

Feb 12, 2018 | 0 comments posted by Vincent Zhang

일반적으로 HIFI 오디오 시스템 에는 무선 오디오 신호 소스, 오디오 신호 처리 및 전력 증폭기 시스템이 포함됩니다. 위의 과정을 거쳐 소리의 신호가 처리되고 증폭된 후 증폭된 신호는 스피커 유닛을 구동하게 됩니다. 즉, 오디오 품질 레벨은 재생에 의존하며 인간의 청각과 HIFI 블루투스 오디오 시스템의 관계는 상호 인과 관계입니다. 서로. HIFI 오디오 뿐만 아니라 스테레오 또는 케이블 연결도 다음 규칙을 따르며 차이점은 입력 신호 방식이 다릅니다. 그리고 사용자의 경험에 가져다주는 것은 다릅니다.

일반적으로 인간의 가청음 주파수는 20Hz~20KHz이며 인간의 음성 스펙트럼 범위는 150Hz~4KHz이며 다양한 음악적 스펙트럼은 40Hz~18kHz이다. 평균 스펙트럼 에너지의 분포는 저음과 저음이 최대이며, 중간 고음이 두 번째이고 고음이 가장 작으며 인간의 음성 에너지는 200Hz ~ 3.5KHz의 주파수 범위에 집중됩니다. 이러한 랜덤 신호 진폭의 피크는 약 10~15dB의 평균값보다 높습니다.

IWISTAO HIFI 미니 튜브 하이브리드 앰프 무선 블루투스 4.0 6N1 프리 앰프 파워 스테이지 2x28 W APT-X 데스크탑 오디오

따라서 이러한 임의의 신호를 올바르게 해제하고 재생 신호의 음질과 소리가 우아한 멜로디를 재생하도록 보장하는 경우 HIFI Bluetooth 사운드 시스템(무선 오디오, HIFI Bluetooth HIFI 증폭기 및 스피커 포함)은 넓은 주파수 응답 특성을 가져야 하며, SPL 및 신호 다이내믹 레인지 및 고효율 전력 변환기를 음압 감도로 변환합니다.

 

베이스: 20Hz ~ 200Hz, 베이스 섹션이 더 풍부하면 사운드가 풍부해집니다. 반대로, 뿌리 피로.

 

Mid-bass: 200Hz ~ 600Hz, 이 밴드는 보컬과 메인 구역의 악기입니다. 채널 사운드가 더 풍부해지면 더 부드러운 음색, 강도가 됩니다. 부족하면 소리가 약해지고, 비어 있고, 음색 발산이 되고, 고저음이 닫히지 않습니다.

 

중음 - 고음: 600Hz ~ 6KHz, 인간 귀의 이 대역은 더 민감하여 음색, 밝기의 선명도에 영향을 줍니다.

 

고음: 6KHz ~ 20KHz, 이 배음 대역의 크기가 더 많으면 개별 음색이 좋은 성능과 강력한 사운드 분석 능력을 갖습니다. 그러나 과하지 않습니다.

 

요약하면, 적절한 저음은 사운드의 충만함을 보장하고, 중저음은 사운드 라운드 를 보장합니다. 음색, 중간 고음은 사운드 선명도를 보장하고 고음 톤은 해상력을 보장합니다. 좋은 Bluetooth HIFI 사운드 시스템은 콘서트 홀과 같으며 바이올린과 피아노로 연주되며 베이스는 일부 악기가 더 나은 충격 효과를 갖도록 합니다. 중저음은 두 악기가 서로 다른 음표를 부드럽게 연주하도록 할 수 있습니다. 중간 고음은 악기에 의해 명확하게 구분되는 동일한 음표를 넣어야 합니다. 고음은 바이올린 소리가 방출되는 것과 피아노 소리가 방출되는 것을 구별할 수 있게 해줍니다.

IWISTAO HIFI Pure Tube Earphone Amplifier with Black Voice 6N3 SRPP Drive 6N5P 32- 600 Ohms
Feb 02, 2018 | 0 comments

IWISTAO HIFI 퓨어 튜브 이어폰 앰프, 블랙 보이스 6N3 SRPP 드라이브 6N5P 32-600 옴

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Feb 21, 2018 | 2 comments

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