Mumbai University > EXTC > Sem 7 > Data Compression and Encryption

Marks: 10 M

Year: Dec 2013

1. The first step in encoding the audio samples is to transform them from the time domain to the frequency domain. This is done by a bank of polyphase filters that transform the samples into 32 equal-width frequency subbands.
2. The filters were designed to provide fast operation combined with good time …