NOS之亂 - 喇叭音響
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By Emma
at 2022-06-01T17:44
at 2022-06-01T17:44
Table of Contents
主要是對岸測了兩台機器,然後
https://www.l7audiolab.com/f/holoaudio-spring3/
第二篇有認真講講一些原理,節錄:
https://www.l7audiolab.com/f/osnos/?fbclid=IwAR3jGKrjfXXD-VXhnjH77BXBR-B5htDIF
q887F1CDe274yWCIA3vaBCFJiU
“舍弃一定的频响和容忍人耳听不到的超声部分的镜像噪声” 这怎么行!丢失了我们金
耳朵最喜欢的信息量!
nos最大限度保留了原始信号的起振特性(原始信号是方波,nos输出的就是方波,而不是
丢失高频分量后充满振铃的近似解)
从听感上讲,很多机器NOS(或者ak的superslow滤波器)模式看起来高频响应变差,但实
际听感反而小细节更多,是有理论合理性的
用固定曲线补偿可能因为只有44k需要补偿吧,高频下滚降点已经远离20k了,20k处足够
平所以不用补偿,那只要其他采样率下关闭补偿即可(48k凑合一下,反正实际上纯音乐
的话很少用这个采样率)
———
也許這樣更可以理解為什麼不升頻或升的不好會覺得不好聽?
大家一起參考看看
--
https://www.l7audiolab.com/f/holoaudio-spring3/
第二篇有認真講講一些原理,節錄:
https://www.l7audiolab.com/f/osnos/?fbclid=IwAR3jGKrjfXXD-VXhnjH77BXBR-B5htDIF
q887F1CDe274yWCIA3vaBCFJiU
“舍弃一定的频响和容忍人耳听不到的超声部分的镜像噪声” 这怎么行!丢失了我们金
耳朵最喜欢的信息量!
nos最大限度保留了原始信号的起振特性(原始信号是方波,nos输出的就是方波,而不是
丢失高频分量后充满振铃的近似解)
从听感上讲,很多机器NOS(或者ak的superslow滤波器)模式看起来高频响应变差,但实
际听感反而小细节更多,是有理论合理性的
用固定曲线补偿可能因为只有44k需要补偿吧,高频下滚降点已经远离20k了,20k处足够
平所以不用补偿,那只要其他采样率下关闭补偿即可(48k凑合一下,反正实际上纯音乐
的话很少用这个采样率)
———
也許這樣更可以理解為什麼不升頻或升的不好會覺得不好聽?
大家一起參考看看
--
Tags:
喇叭音響
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By Lucy
at 2022-06-05T00:46
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