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AC3Filter tools

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AC3Filter tools is a set of command-line tools for manipulating audio files. It includes AC3 encoder and decoder, SPDIF format converter, parametric filter, graphic equalizer to name a few.

Here is the list of all the applications in the pack:

ac3enc:

Simple AC3 encoder tool. It takes a WAV file at input and makes AC3 file. WAV file must have PCM format (16/24/32bit and floating point formats are supported). Multi-channel WAV files are supported (for example, files generated by valdec utility, see below).

bsconvert:

Bitstream converter utility. This utility converts files between numerous MPA/AC3/DTS stream types: SPDIF padded, 8/14/16bit big/low endian. By default, it converts any stream type to the most common byte stream.

equalizer:

Simple graphic equalizer.

Example: Attenuate frequencies below 100Hz by 6dB, gain the band with the center at 200Hz by 3dB and leave everything after 500Hz unchanged.

> equalizer a.wav b.wav -f1:100 -g1:-6 -f2:200 -g2:3 -f3:500

filter:

Simple parametric filter.

Example: Band-pass filter from 100Hz to 8kHz with transition width of 100Hz. Attenuate all other frequencies (0-50Hz and 8050Hz to nyquist frequency) by 100dB.

> filter in.wav out.wav -bandpass -f:100 -f2:8000 -df:100 -a:100

gain:

Just gain the wave.

Example: > gain a.wav b.wav -gain:-10

mpeg_demux:

MPEG Program stream demuxer. This utility allows to extract individual streams from MPEG file.

noise:

Noise generator. You can playback some noise or generate a WAV file with noise. It supports PCM 16/24/32 bit or PCM float formats. It can generate multi-channel noise.

resample:

Sample rate conversion utility. You can specify transition band width and attenuation level.

spdifer:

This utility encapsulates AC3/DTS/MPEG Audio stream into SPDIF stream according to IEC 61937 standard.

swab:

This utility just swaps swaps byte order in a file. Bytes 0 1 2 3 ... are reordered as 1 0 3 2 ...

valdec:

Multi-functional file player, decoder and processor. This utility may be used for:

Detect a file type
To playback a file (AC3/DTS files are supported)
Decode a file into raw/wav format. All output formats and processing options available in AC3Filter are supported!

wavdiff:

Finds the difference between 2 audio files. Calculates amplitude difference and RMS difference. Can compare files of different types, like PCM16 and PCM Float (number of channels and sample rate must match). Can write the difference into the difference file. May check maximum difference for automated testing.

Free download from Shareware Connection - AC3Filter tools is a set of command-line tools for manipulating audio files.

Publisher: Alexander Vigovsky | License: Shareware
Version: 0.31b | Platform: WinOther
Released Date: | Rating: 0 | Title: AC3Filter tools

Author Url: http://googlecode.com
Program Info Url: http://googlecode.com
Download Url: http://ac3filter.googlecode.com/files/ac3filter_tools_0_31b.zip

More downloads from AC3Filter tools publisher Alexander Vigovsky:

Adobe Audition Plugin - The Adobe Audition Plugin was designed to be an AC3Filter plugin that will allow CoolEdit / Adobe Audition to read AC3 and DTS files and write AC3 files.

AC3Filter Lite - If you need only the audio processor and sound decoder on your system, AC3Filter Lite will install just the desired codec!

Spdifer - Spdifer was designed to be a DirectShow filter that will allow media players to passthrough multi-channel sound to the digital (SPDIF) output without any change, so an external receiver can decode it.

AC3File - AC3File was designed to be a DirectShow source filter.

AC3Filter tools keywords:
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Shareware Connection periodically updates pricing and software information of 'AC3Filter tools' from company source 'Alexander Vigovsky' , so some information may be slightly out-of-date. You should confirm all information before relying on it. Software piracy is theft,  Using 'AC3Filter tools' crack, password, serial numbers, registration codes, key generators is illegal and prevent future development of AC3Filter tools.

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