Audio Watermarking Tools Icon

Audio Watermarking Tools

Shareware utilities for embedding (and extracting) watermarks into audio files.

Audio Watermarking ToolsOverview

Audio Watermarking Tools (AWT) of www.audiowatermarking.info are shareware utilities for embedding (and extracting) short data payload within audio streams (wave files). The tools are distributed as a package of Win32 console utilities running on Microsoft Windows 7/Vista/XP/NT/2000/Server; x86 and x64 versions of the binaries are available. The package does not require any installation and is ready to use right after unpacking. The package consists of encoder (watermark embedding tool) and decoder (watermark extraction tool).

AWT Algorithm implements so called "strict watermarking" approach, meaning that the original (non-watermarked) audio stream is required to Extract the watermark from the watermarked stream.

AWT encoder operates with wave PCM audio files of almost any feasible format - mono/stereo, with sampling rates from 8 up to 192 KHz, and amplitude resolution of 8/16/24/32 bits.

Virtually any watermarking payload size is supported. Feasible payload sizes range from 1 to 10 bytes.

With Default parameters, watermarking data rate is 7 bps for 1-byte payload, 10 bps for 2-byte payload, 12 bps for 4-byte payload, and 14 bps for 8-byte payload. Thus, the watermarking rate increases with the increase of payload size due to some constant overhead for each copy of the watermarking payload.

The watermarking algorithm works in a time domain. The overall idea behind the algorithm is in embedding a binary watermarking payload within a carrier audio signal in a time domain by time-shifting the carrier signal blocks in one or several Frequency sub-bands. The algorithm is patent pending*.

The algorithm can be applied to all kinds of audio data. Typical examples: music (pop, jazz, classics, rock, whatever else) and speech recordings.

NEW

Fixed some bugs.

Audio Watermarking ToolsInformation

Version
0.08.3
Date
10.11.10
License
Trial
Language
English
File Size
4.85MB
Category
SubCategory
Operating Systems
Windows Vista, XP, 2000, 98,Mac OS X,Unix,Linux
System Requirements
No additional system requirements.
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