blocks|key|1063647|text|您真正希望从MusicDSP获得的链接是http://www.musicdsp.org/files/Audio-EQ-Cookbook.txt。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1063648|我还建议让里昂了解数字信号处理。不过，我有一点偏见，因为我是第二版的评论员(但我认为最近出现了第三版)。|1063649|也请查看数字音频信号处理和DAFX:数字音频效果，都是由Udo+Z+lzer。|1063650|entityMap|0|LINK|mutability|MUTABLE|url|http://www.musicdsp.org/files/Audio-EQ-Cookbook.txt^0|K|1F|0|0|0|0^^$0|@$1|2|3|4|5|6|7|P|8|@]|9|@$A|Q|B|R|1|S]]|C|$]]|$1|D|3|E|5|6|7|T|8|@]|9|@]|C|$]]|$1|F|3|G|5|6|7|U|8|@]|9|@]|C|$]]|$1|H|3|-4|5|6|7|V|8|@]|9|@]|C|$]]]|I|$J|$5|K|L|M|C|$N|O]]]]

The link you really want from MusicDSP is <a href="http://www.musicdsp.org/files/Audio-EQ-Cookbook.txt" rel="noreferrer">http://www.musicdsp.org/files/Audio-EQ-Cookbook.txt</a>

I also recommend getting Lyon's Understanding Digital Signal Processing. I am a bit biased, though, since I was a reviewer for the second edition (but I think a third edition came out recently).

Also check out Digital Audio Signal Processing and DAFX:Digital Audio Effects, both by Udo Zölzer.

blocks|key|2261028|text|除了其他人提到的伟大的书籍和资源，我也推荐一些实验。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2261029|DSP实际上是应用数学的一种形式。但是，如果您不是"mathsy“类型，您可以做的一件事是为您的过滤器编写大量的单元测试。给你的滤波器提供脉冲、步长函数、不同频率的长正弦波、频率扫频等等，看看滤波器对这些不同类型的信号到底有什么作用。您可以通过实验测试对您来说似乎相当不透明的公式。|2261030|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|F|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|G|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|H|8|@]|9|@]|A|$]]]|E|$]]

In addition to the great books and resources that others have mentioned, I also recommend some experimentation.

DSP is really a form of applied math. But if you are not the "mathsy" type, one thing you can do is write lots of unit tests for your filters. Feed your filters impulses, step functions, long sine waves at various frequencies, frequency sweeps, etc., and see what comes out the other end, what the filter actually does to these different types of signals. You can experimentally test formulas that might seem fairly opaque (at first) to you.

blocks|key|2261102|text|这是一本很棒的书，尤其是考虑到整个课文都是免费的：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2261103|音频应用数字滤波器简介|offset|length|2261104|以下是这本书中的几个链接，这些链接可能对理解/应用MPD发布的音频EQ食谱最有帮助：BiQuad科，Biquad软件实现|2261105|entityMap|0|LINK|mutability|MUTABLE|url|https://ccrma.stanford.edu/~jos/filters/|1|https://ccrma.stanford.edu/~jos/filters/BiQuad_Section.html|2|https://ccrma.stanford.edu/~jos/filters/Biquad_Software_Implementations.html^0|0|0|B|0|0|16|7|1|1E|A|2|0^^$0|@$1|2|3|4|5|6|7|T|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|U|8|@]|9|@$D|V|E|W|1|X]]|A|$]]|$1|F|3|G|5|6|7|Y|8|@]|9|@$D|Z|E|10|1|11]|$D|12|E|13|1|14]]|A|$]]|$1|H|3|-4|5|6|7|15|8|@]|9|@]|A|$]]]|I|$J|$5|K|L|M|A|$N|O]]|P|$5|K|L|M|A|$N|Q]]|R|$5|K|L|M|A|$N|S]]]]

This is a great book to start with, especially considering that the entire text is online for free:

<a href="https://ccrma.stanford.edu/~jos/filters/" rel="nofollow">Introduction To Digital Filters With Audio Applications</a>

Here are a couple links from the book that will probably help the most with understanding/applying the Audio EQ Cookbook that MPD posted: <a href="https://ccrma.stanford.edu/~jos/filters/BiQuad_Section.html" rel="nofollow">The BiQuad Section</a>, 
<a href="https://ccrma.stanford.edu/~jos/filters/Biquad_Software_Implementations.html" rel="nofollow">Biquad Software Implementations</a>

blocks|key|2261047|text|我刚开始读麻省理工学院的音频编程书。我还不能为它担保，但可能很有趣。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|2261048|entityMap|0|LINK|mutability|MUTABLE|url|http://mitpress.mit.edu/catalog/item/default.asp?ttype=2&tid=12283^0|5|C|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

I've just started reading <a href="http://mitpress.mit.edu/catalog/item/default.asp?ttype=2&amp;tid=12283" rel="nofollow">MIT's The Audio Programming Book</a>. I can't vouch for it yet, but it may be of interest.

blocks|key|1063629|text|关于DSP这一主题的好教科书是无可替代的。一部经典作品是哈尔·钱伯林的“微处理器的音乐应用”。请参阅我对我在哪里可以找到低水平声音编程理论教程的答案，以获得这方面的链接和其他一些有用的书籍，它们更多地面向DSP的实际应用，而不是更倾向于理论的普通本科生DSP书籍。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1063630|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/questions/4854173/where-can-i-find-low-level-sound-programming-theory-tutorials^0|1G|J|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

There is no substitute for good text books on the subject of DSP. A classic is Hal Chamberlin's "Musical Applications of Microprocessors". See my answer to <a href="https://stackoverflow.com/questions/4854173/where-can-i-find-low-level-sound-programming-theory-tutorials">Where can I find low level Sound Programming Theory Tutorials</a> for links to this and a couple of other useful books which are oriented more towards practical applications of DSP rather than the usual undergraduate DSP books which lean more towards theory.

blocks|key|1063757|text|另外，这是一门很棒的大学课程，让你从dsp的基础知识中学到了一些东西。https://ccrma.stanford.edu/~jos/filters/|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1063758|entityMap|0|LINK|mutability|MUTABLE|url|https://ccrma.stanford.edu/~jos/filters/^0|Z|14|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

Also, an excellent course of university lectures here, which take you from the basics of dsp. <a href="https://ccrma.stanford.edu/~jos/filters/" rel="nofollow">https://ccrma.stanford.edu/~jos/filters/</a>

blocks|key|2620178|text|另一本非常棒的书也可以在网上免费获得，那就是DSP指南。它从采样理论到设计具有任意频率响应的滤波器(以及大量的其他东西)。它也是以非常清晰的方式编写的，包括示例代码在内的好示例来理解概念。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|2620179|entityMap|0|LINK|mutability|MUTABLE|url|http://www.dspguide.com/^0|M|5|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

Another really great book that also is available online for free is the <a href="http://www.dspguide.com/" rel="nofollow">DSP Guide</a>. It goes all the way from sampling theory to designing filters with arbitrary frequency response (and tons of other stuff). It's also written in a very clear way with good examples including example code to understand the concepts.

I've recently become very interested in learning how to implement various audio filters in AS3. By intuitive guessing (and inspired by capacitors), I've managed to create what seems to be a 1st order high-pass filter, but I have no idea how to set its frequency (or Q) in a controlled way.

So I'd like to learn how to write parametric 2nd/4th order low-pass, hi-pass, bandpass filters from scratch. And I'm not very mathsy. Any practical, straightforward tutorials or textbooks out there which could help with this?

Partial credit for readable source code (in as3/c,etc), in lieu of a tutorial... (!)

Edit:
Found a great site, www.musicdsp.org, with heaps of awesome code snippets, mostly in c/c++.

Where can I find good tutorials on writing audio DSP filters (lowpass, etc)?

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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最近，我对如何在AS3中实现各种音频过滤器非常感兴趣。通过直觉猜测(并受到电容器的启发)，我成功地创建了一个看起来像是一阶高通滤波器，但我不知道如何控制它的频率(或Q)。所以我想学习如何从零开始编写参数2/4阶低通，高通，带通滤波器。我也不是很麻木不仁。有什么实用的、直截了当的教程或教科书可以帮助解决这个问题吗？部分归功于可读的源代码(如3/c等)，代替教程.(!)编辑：找到了一个很棒的站点www

问我在哪里可以找到好的教程编写音频DSP滤波器(低通等)？
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