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Asound PRO & Asound VALUE Driver

Here are Kate Finan's 7 steps to setting the right price for sound work As stated above, in order to produce a professional final product, you. Neither the rc nor the configuration files are required . schannels numbers) CCHANNEL { SCHANNEL REAL # route value ( . is a more advanced asoundrc for 2 RME Hammerfalls which is a professional. The value of the new currency will be equal to the current US dollar. Imagine my friends, the exchange alone will enrich the smallest and poorest countries.


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Asound PRO & Asound VALUE Driver

ALSA supports three tiers of configuration files.

The first is alsa. This directory and its subdirectories may contain further configuration files which are sound card and plugin specific. They are included by alsa.

Sound card - Wikipedia

The files in this directory are considered built-in and are not to be changed by the user or the system adminstrator. The other two configuration files are also included by alsa.

Users can store their own configuration in the file. All configuration files are parsed every time an ALSA device is opened.

A close look at ALSA

So changes take effect immediately, and it is not necessary to restart anything. All configuration files share the same format, which is described in the next section.

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  • Sound card
  • ALSA concepts
  • Asound ASOUND PRO & ASOUND VALUE Audio Driver

Basic configuration file format ALSA configuration files contain hierarchically structured parameter-value pairs. The top-level branches of the hierarchy correspond to the interfaces which ALSA offers.

An interface consists of a set of ALSA API functions which allow to open a device, do whatever the interface is for, and close the device. The different interfaces have different purposes. For example, aplay and other players use the pcm interface, the program alsactl uses the ctl control interface, amixer uses the mixer interface, amidi the rawmidi interface and so on.

In fact most of them also use the ctl interface, at least for some features. To create a device to be used by one of these programs, you have to define it for the corresponding interface. The examples which I give will mostly Asound PRO & Asound VALUE the pcm interface, both because it is probably the most important and because I have almost exclusively messed around with it.


PCM stands for pulse code modulation and refers to digitised sound expressed as a stream of sample values. The second level of the hierarchy consists of the names of ALSA devices which can be used with the particular interface in whose subtree they reside.

Let's have an example. Ignore for now that you could do that with the device "plughw: The plugin which handles automatic format conversion is the plug plugin. The new PCM device is created by putting the following lines into your asoundrc: There shall be a new device "plug0" accessible via the pcm interface.


Data output on this device shall be handled by the plug plugin. The plugin uses as a slave the PCM device hw: This device definition was written in the way which is most common.

How to Set (and Get) the Right Price for Your Audio Work A Sound Effect

However, ALSA allows some freedom in the syntax. For instance, it is allowed to put an equals sign between a parameters name and its value, and a comma or a semicolon between consecutive parameter assignments.

So we could also have written:

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