Code covered by the BSD License
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db_nc_audio_recon(file_name);
Implements 4-channel tree-structured PR filter bank using 5th order
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nciab(x,BL)
NCIAB(X) takes data in vector x, filters it with half-band allpass
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ncisb(H,L,BL,Zi1,Zi0)
NCISB(H,L) takes in high/low channel data in vectors H,L, filters them
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uquan(x,B)
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View all files
db_nc_audio_recon.m
by Evan Ruzanski
14 Dec 2004
(Updated 16 Dec 2004)
Demonstrates perfect reconstruction filter bank operation for audio processing.
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| File Information |
| Description |
Implements 4-channel tree-structured PR filter bank using 5th order Butterworth half-band filters constructed with 1st order allpass structures. Uses double-buffer, non-causal IIR synthesis filtering technique to process and play original multi-channel audio file,reconstructed audio file using uniform 16-bit quantization and PR structure described above, and error signal. |
| MATLAB release |
MATLAB 6.5 (R13)
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| Comments and Ratings (2) |
| 23 May 2005 |
M Mas
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| 08 Nov 2007 |
MARATHE MANOHAR
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