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Listen to /dev/dsp and record to MP3 when there is some sound to record

Submitted by dgtlmoon on Wed, 2006-10-04 18:59.

Something I wrote for a small project, initially designed to listen my radio scanner via /dev/dsp and record when it hears something, this uses python and some threads to launch instances of 'lame' encoder and then insert them into MySQL.

The app has a threshold for incomming sound levels and starts recording when the threshold is reached, there is also a setting for time-distance between hearing things so you dont end up a billion little mp3s because the audio is dropping out, just a nice long mp3.

'lame' is configured to convert the raw audio from /dev/dsp to extremly lo-fi (about telephone quality) and then the handler thread inserts that binary into the mysql table for future reference. CPU usage is really good at abuot 1% on my 1.4ghz laptop plus what ever overhead lame requires which is not much for my default settings (around abuot telephone quality)

Get the audio sampling script here, you'll have to tune the DB and 'lame' settings and create a DB schema that suits your needs but should be reliable anyway

In common parlance and in

Submitted by Free driver downloads (not verified) on Wed, 2010-07-21 17:36.

In common parlance and in the literature on software technology is the definition limited to computer programs and the closely related resources, such as configuration data in addition to icons and fonts that are required for operation. Data intended for processing (eg, digitized music), are not generally understood as software. This definition is also regarded as a software system or software product that can contain additional ingredients as accessories such as software documentation in digital or printed form of a manual.

The general definition describes software as a counterpart to the hardware, and software here includes any type of digital data that can be stored on a hardware, firmware, the (possible) BIOS, operating system, the I / O data to all (possible) files of a software-controlled device. This definition also belong to the software such as music data to a CD. The disk and the CD itself (the hardware) is, on which the Software is recorded, which is for a software-controlled device, the CD player.
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