Re: [問卦] 有沒有foobar2000的八卦啊? - 喇叭音響

By Charlotte
at 2010-06-04T06:59
at 2010-06-04T06:59
Table of Contents
※ [本文轉錄自 Gossiping 看板 #1C20kpgx ]
作者: pcmangood (pcman好) 看板: Gossiping
標題: Re: [問卦] 有沒有foobar2000的八卦啊?
時間: Fri Jun 4 04:08:16 2010
我是不懂音質啦,不過我想這種東西由寫軟體的專業人士來回
應會比我們這些只憑感覺臆測的好一點。
以下千千靜聽作者回應:
對一個音頻播放軟件的評價時,「音質」這個詞好像總是放在
第一位的,的確,對於音頻播放軟件來說,音質還原的好不好
是有決定性作用的,因為很多時候人對聲音的要求要遠遠超過
對圖像的要求。
自從千千靜聽發佈以來,總有一些人在網上發表類似這樣的說
法:「千千靜聽的音質不如winamp或foobar」,那麼真的是這
樣的嗎,我只能說他們的說法極不負責,就像我們說當一個人
對某樣東西抱有牴觸情緒時,他會戴上有色眼睛來看這樣東西
一樣,對於千千靜聽,那些忠實的winamp或foobar迷們也是塞
上了棉花之後再來聽的 :)
主觀評價音質的好壞,除了用耳朵來聽,沒有任何其它的辦法
,但客觀評價卻有很多的方法,其中最簡單最有效的辦法就是
分析還原後的數據(也就是解碼後的數據)。
在相同的音源和相同輸出設備的條件下,唯一能區別音質的就
是解碼器的精度,對於大多數私有格式而言(像APE,MPC,OGG,
WMA,RM等只有一個公司或組織才能提供編解碼算法的,我把它
們稱為私有格式),所有的播放軟件都使用這些格式的所有者
提供的解碼庫,在這種情況下,除非播放軟件有錯誤,否則解
出來的數據是完全一致的,根本不存在音質誰好誰差的問題。
而像MP3、AAC等格式,有多個組織推出了多個不同版本的解碼
器,可能在解碼的精度上略有不同,但主流的能在網上流行起
來的解碼器其精度都是相差無幾的,對絕大多數人來說是根本
聽不出任何差異的。
就像MP3解碼器一樣目前主流的有MPG123,MPGLIB,MAD,L3CODEC
等等版本,但它們的精度都非常接近。目前千千靜聽採用的是
MPG123的最後一個版本,和winamp的in_mpg123.dll 用的是同
一個版本,foobar用的是mpglib,也是MPG123的某一個版本,
winamp默認的是使用從Fraunhofer IIS購買的MP3 解碼器(應
該和windows自帶的L3CODEC是一樣的),而這幾個解碼器(除
了MAD)都是從同一個Fraunhofer IIS提供的MP3參考解碼庫(
Reference Code)改進而來的。
我說的改進並不是指精度上的改進,而是指性能上的改進,因
為那個參考解碼庫本身追求的就是精度而不關心性能,但MPG1
23雖然對性能做了大量的改進,精度卻不曾有下降,並且被公
認為是最好的MP3解碼器。
說了這麼多,只是想澄清一下網上普遍對於音質的誤傳,說什
麼「foobar的音質最好」之類的都是沒有事實依據的,foobar
的作者Peter Pawlowski也承認foobar 在音質上相比其它主流
播放軟件而言沒有任何優勢!
也許是因為國人對於自己同胞寫的軟件抱有或多或少的不信任
的原因,所以經常有人說「千千靜聽的音質不怎麼樣」,唉…
…如果我也像Peter那樣參與過winamp 的開發,或者哪怕我是
一個外國佬,也許他們就不會這麼說了 :)
千千靜聽雖然沒做過大肆的宣傳,但我也不希望這些誤導性的
說法讓更多的人失去了接觸新事物的機會,畢竟千千靜聽還是
有很多地方是值得嘗試一下的嘛!
以上發言均是個人觀點,但其中的某些事實是不容質疑的,希
望那些聽力出眾的,或者有高檔設備的用戶也能談談自己的感
受……。
--
關於千千靜聽的音質問題,戰過很多次,每次戰的都是他的音
質不好,可是至少在批踢踢上從沒人能提出客觀的證據,只說
「聽起來就是有差,跟聽不出來的人解釋也沒用」。
講音質講到沒話講,就講一句「老子就不爽用中國出的軟體」
我記得最近四年來戰千千都是這樣沒結果的討論,希望這次能
看到一些不一樣的結論。
--
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║http://liohimo.blogspot.com/║╠貳》如有亂碼請將編碼改為UTF-8。
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--
作者: pcmangood (pcman好) 看板: Gossiping
標題: Re: [問卦] 有沒有foobar2000的八卦啊?
時間: Fri Jun 4 04:08:16 2010
推 chigo520:千千靜聽還不錯拉雖然音質沒foobar好但是有歌詞功能 06/04 02:13
我是不懂音質啦,不過我想這種東西由寫軟體的專業人士來回
應會比我們這些只憑感覺臆測的好一點。
以下千千靜聽作者回應:
對一個音頻播放軟件的評價時,「音質」這個詞好像總是放在
第一位的,的確,對於音頻播放軟件來說,音質還原的好不好
是有決定性作用的,因為很多時候人對聲音的要求要遠遠超過
對圖像的要求。
自從千千靜聽發佈以來,總有一些人在網上發表類似這樣的說
法:「千千靜聽的音質不如winamp或foobar」,那麼真的是這
樣的嗎,我只能說他們的說法極不負責,就像我們說當一個人
對某樣東西抱有牴觸情緒時,他會戴上有色眼睛來看這樣東西
一樣,對於千千靜聽,那些忠實的winamp或foobar迷們也是塞
上了棉花之後再來聽的 :)
主觀評價音質的好壞,除了用耳朵來聽,沒有任何其它的辦法
,但客觀評價卻有很多的方法,其中最簡單最有效的辦法就是
分析還原後的數據(也就是解碼後的數據)。
在相同的音源和相同輸出設備的條件下,唯一能區別音質的就
是解碼器的精度,對於大多數私有格式而言(像APE,MPC,OGG,
WMA,RM等只有一個公司或組織才能提供編解碼算法的,我把它
們稱為私有格式),所有的播放軟件都使用這些格式的所有者
提供的解碼庫,在這種情況下,除非播放軟件有錯誤,否則解
出來的數據是完全一致的,根本不存在音質誰好誰差的問題。
而像MP3、AAC等格式,有多個組織推出了多個不同版本的解碼
器,可能在解碼的精度上略有不同,但主流的能在網上流行起
來的解碼器其精度都是相差無幾的,對絕大多數人來說是根本
聽不出任何差異的。
就像MP3解碼器一樣目前主流的有MPG123,MPGLIB,MAD,L3CODEC
等等版本,但它們的精度都非常接近。目前千千靜聽採用的是
MPG123的最後一個版本,和winamp的in_mpg123.dll 用的是同
一個版本,foobar用的是mpglib,也是MPG123的某一個版本,
winamp默認的是使用從Fraunhofer IIS購買的MP3 解碼器(應
該和windows自帶的L3CODEC是一樣的),而這幾個解碼器(除
了MAD)都是從同一個Fraunhofer IIS提供的MP3參考解碼庫(
Reference Code)改進而來的。
我說的改進並不是指精度上的改進,而是指性能上的改進,因
為那個參考解碼庫本身追求的就是精度而不關心性能,但MPG1
23雖然對性能做了大量的改進,精度卻不曾有下降,並且被公
認為是最好的MP3解碼器。
說了這麼多,只是想澄清一下網上普遍對於音質的誤傳,說什
麼「foobar的音質最好」之類的都是沒有事實依據的,foobar
的作者Peter Pawlowski也承認foobar 在音質上相比其它主流
播放軟件而言沒有任何優勢!
也許是因為國人對於自己同胞寫的軟件抱有或多或少的不信任
的原因,所以經常有人說「千千靜聽的音質不怎麼樣」,唉…
…如果我也像Peter那樣參與過winamp 的開發,或者哪怕我是
一個外國佬,也許他們就不會這麼說了 :)
千千靜聽雖然沒做過大肆的宣傳,但我也不希望這些誤導性的
說法讓更多的人失去了接觸新事物的機會,畢竟千千靜聽還是
有很多地方是值得嘗試一下的嘛!
以上發言均是個人觀點,但其中的某些事實是不容質疑的,希
望那些聽力出眾的,或者有高檔設備的用戶也能談談自己的感
受……。
--
關於千千靜聽的音質問題,戰過很多次,每次戰的都是他的音
質不好,可是至少在批踢踢上從沒人能提出客觀的證據,只說
「聽起來就是有差,跟聽不出來的人解釋也沒用」。
講音質講到沒話講,就講一句「老子就不爽用中國出的軟體」
我記得最近四年來戰千千都是這樣沒結果的討論,希望這次能
看到一些不一樣的結論。
--
╔══════════════╗╔壹》請使用FireFox瀏覽器以達最佳瀏覽效果。
║http://liohimo.blogspot.com/║╠貳》如有亂碼請將編碼改為UTF-8。
╚══ 歐蒐雷米歐的部落格 ══╝╚參》站名就叫「沒有網頁可以顯示」(′︹`)y=~
--
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