As for SigmaStudio for SHARC,Does anyone know how many bands Equalizer does ADSP 21489 support?
and what does it mean about Double - Double Precision?
In SigmaStudio for SHARC, the 'Medium Size Eq' can be grown up to 16. This means up to 16 band equalizer can be implemented using a single 'Medium Size Eq' module. More such modules can be cascaded (connected in series) to achieve more number of bands.
Double means double precision floating point format. This has double the number of bits than the single precision float (32 bits on SHARC). Since there are more number of bits to store the data, the accuracy will be more. SHARC processor doesn't support double, instead it supports a higher precision format called 'Extended Precision Float'. This uses 40 bits. Many of the SigmaStudio for SHARC modules (especially filters) are implemented in both float and extended precision float.
I know now ,thinks for your answers!
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