Topic Index

From Hydrogenaudio Knowledgebase
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  • Please see this thread for a discussion of the future structure of this wiki. If you have thoughts, comments, suggestions, etc., please join in this discussion. In the meantime, please feel free to fill in gaps in the information below.
  • See also style related discussion

General Information

General Guides

EAC Guides

CDex Guides

MP3 Guides

Ogg Vorbis Guides

Audio Codecs



Metadata (Tags)

Media Extractors

CD Extractors

DVD Extractors

Media Players



Mac OS X (Non-BSD Specific)


Audio Editors



Mac OS X (Non-BSD Specific)


  • Timidity++ (MIDI to PCM (WAV) converter)
    Timidity++ synthesizes MIDI files (sequences) in real-time using Gravis UltraSound Soundfont patches (loosly based upon Wavetable Synthesis) to common digital audio file formats such as, WAV, AU, AIFF, Ogg Vorbis, FLAC, etc. Useful for those who want to bypass FM Synthesizers on their sound card's to hear MIDI sequence as it was intended to be heard.)

Testing Software

Subjective Perceptual


Note: Might be good to put something here about the problems of quality comparisons using graphs, frequency sweeps, etc.

Audio Hardware

PC Audio

Notebook Audio



MIDI Interfaces

  • M-Audio MIDISport Uno 1x1
  • M-Audio MIDISport 2x2
  • MOTU 5x5 Micro Lite
  • MOTU Fastlane USB

Digital Audio Players

Portable Flash

(These players make use of a internal flash drive.)

Portable HD

(These players make use of a internal harddrive.)

Portable CD

Car Players

(Car stereos that can read MP3, Vorbis, WMA, etc.).

Audio Theory

Analog Audio

Digital Audio

Testing Methodology

Audio Development

Getting Started

note: Let's start with basic development tools (compilers, engineering tools, dev. libraries) until we think of more tools to add. I am also adding external links to books, tutorials, etc under resources.


  • MATLAB 7.0 commercial software for algorithmic design, developement, engineering, and scientific computing. (multi-platform support)
  • GNU Octave open-source alternative software (GPL) to MATLAB for numerical computations, engineering, and scientific computing. (multi-platform support)
  • FFTW Is a C subroutine library for computing the Discrete Fourier transform (DFT) in one or more dimensions on real and complex inputs.
  • GCC THE GNU compiler collection for C, C++, Objective-C, Fortran, Java, and Ada.
  • GNU Emacs an extensible, customizable, self-documenting real-time display editor. Great for writing all types of source code especially on Unix. (multi-platform support)
  • DevCPP free front-end IDE and compiler for the C and C++ languages. Delphi and C source code available. (Win 9x, NT, 2000, and XP)


  • Scientific/R&D Forums for Psychoacoustic, DSP, Electrical Engineering, theory, and coding related questions. (most questions are generally answered)
  • AES The Audio Engineering Society website. Home of year-round world AES conferences.
  • DSP Tutorials this site provides another good introduction in to the area of DSP.
  • Music-DSP source-code archive for anaylsis, filters, effects and synthesis. (C, C++, and Java code)
  • OpenAL a beginners tutorial on writing code using OpenAL for audio programming in computer games and other applications. (C, C++).
  • ALSA Project (Advanced Linux Sound Architecture) bringing audio and MIDI capabilities to Linux.
  • A Really friendly guide to Wavelets A good introduction to wavelets aimed towards engineer, requires a fair amount of background knowledge.


Audio Resources


Note: Let's include a small description to the side for now, so that we have something to work with when this section becomes large enough for its own page


Listening Tests

Other Topics


Container formats