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roadworks
2005 Mar 02
1
General pre-processing prior to feeding sound to speex.
...hard drive
and generally speaking is of less than exemplary quality.
To help disguise this I've been implementing various 'amplifier' style
sample tricks including:
* A pre-amplifier.
* A self adjusting pre-amp that aimed for a target RMS (did an
astounding job of listening to the roadworks outside).
* A compressor.
* A compressor that "expanded" at the bottom end of the range.
* A noise floor implemented on a per-frame basis.
All, apart from the noise floor, were essentially useless. The noise
floor had a kinda savage cut in/cut out thing going on. Understandably.
I'...