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Give block diagram of MP-3 Encoder. Give it's functioning in detail. Also explain what is auditory masking and temporal masking
written 9.4 years ago by gravatar for teamques10 teamques10 ★ 70k modified 3.8 years ago by gravatar for pedsangini276 pedsangini276 • 4.8k

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

Marks: 12M

Year: May 2014
data compression and encryption
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written 9.4 years ago by gravatar for teamques10 teamques10 ★ 70k •   modified 9.4 years ago

Figure 2.1 MPEG Audio Encoder

$$\text{Figure 2.1 MPEG Audio Encoder}$$

Figure 2.2 MPEG Audio Decoder

$$\text{Figure 2.2 MPEG Audio Decoder}$$

i. The principle of MPEG audio compression is quantization. The values being quantized however are not the audio samples but numbers (called signals) taken from the frequency domain of the sound.

ii. The fact that the compression ratio (or equivalently …

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