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PCE
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Search for IPC and CPC classification codes or keywords
DIFF Subgroup
G10L 21/007

characterised by the process used

Introduced: January 2013

Full Title

Full titles differ between systems:

IPC:

Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility > Changing voice quality, e.g. pitch or formants > characterised by the process used

CPC:

Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility (G10L19/00 takes precedence) > Changing voice quality, e.g. pitch or formants > characterised by the process used

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

IPC defines codes here since 2013.

Child Classifications

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  • G10L 21/01 Correction of time axis since 2013 IPC+CPC Available in IPC and CPC