Apply bandpass filter for audio

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Biruntha

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Hi,
what is narrow banded linear-scale bandpass filters?please give brief explanation
Thankyou
 

Sounds like you picked up a few words from a paper that don't make much sense without telling the context.

I guess the topic is filter banks, e.g. in speech recognition. Filter banks can be designed with absolute (linear Δf) or relative (Δf/f) spacing of center frequencies, both have advantages and disadvantages for a specific application. Audio filter bank have usually relative spacing like octave, tert etc.
 

Thankyou for your reply. I read about linear filter banks but i couldn't understand because i'm new to signal processing area. can you give further explanation?
 

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