[LAA] [ANN] libltc-1.0.2

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To: The Linux Audio Developers' Mailing List <linux-audio-dev@...>, <linux-audio-announce@...>
Date: Wednesday, November 7, 2012 - 9:23 am

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Hi LADs,

I'm pleased to declare http://ltcsmpte.sourceforge.net/ as deprecated
and release libltc-1.0.2 into the wild.

Linear (or Longitudinal) Timecode (LTC) is an encoding of SMPTE timecode
data as a Manchester-Biphase encoded audio signal. The audio signal is
commonly recorded on a VTR track or other storage media.

libltc is a LGPL library which provides functionality to encode and
decode LTC to/from timecode.

source: https://github.com/x42/libltc
documentation: http://x42.github.com/libltc/

In addition to a major API overhaul, libltc adds support for
vari-speed en/decoding and reverse LTC. Furthermore the LTC decoder's
accuracy and efficiency has been improved. The various tools that came
with ltcsmpte have been migrated to https://github.com/x42/ltc-tools .
A fully functional LTC slave and latency free encoder can be found in
Ardour3 since svn rev. 13390.

Many thanks to Chris Goddard who spent countless hours staring at
scopes, listening to LTC and doing real-world tests to assure sample
accuracy and quality in general.

Thanks to Jaromír Mikeš and Alessio Treglia libltc has already found
its way into debian.

happy A/V syncing,
robin

PS. The timecode conversion functions of ltcsmpte are in progress to
find their way into a standalone library which is still in the works.
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