Avoid redundant LPC coefficient rescaling to Q12 to preserve precision
# Basic info
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- Float reference:
- Encoder (float):
- Decoder (float):
- Fixed point:
- Encoder (fixed): 1c5efba77
- Decoder (fixed):
# Bug description
In the encoder, LPC filter coefficients are repeatedly rescaled to Q12 format, even though the sub-functions already handle different scaling internally. This redundant rescaling introduces unnecessary complexity and results in a loss of precision.
# Ways to reproduce
Box folder: ...\\Box_EXTERNAL_IVAS_BASOP_VERIFICATION\\issues\\issue-xxxx
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issue