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The Speex project is an attempt to create a free software speech coder, unemcumbered by patent restrictions. |
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In addition to the actual speech coding of the signal, it is often neccessary to use [[channel coding]] for transmission, to avoid losses due to transmission errors. Usually, speech coding and channel coding methods have to be chosen in pairs in order to get the best overal coding results.
The [[Speex]] project is an attempt to create a [[free software]] speech coder, unemcumbered by patent restrictions.
Major subfields:
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