alaw/mulaw 8khz/11khz

From: Martin Steer

Hi,

Yes you are correct in that using 8KHz a-law or mu-law will give the best quality and closest matched to a digital isdn telephone network. See also a post I made earlier on this subject (http://membersresource.intel.com/wbproxy/wbpx.dll/read?26180,5e#26180)

An 11KHz file will need to be downsampled (automatically by the dialogic DSP's) to 8KHz for transmission over a digital line.

Using an a-law or mu-law encoded file will increase the signal to (quantisation) noise and result in a higher quality than a linear file format.

Regards,
Martin Steer,
eurovoice limited
http://www.eurovoiceobjects.com

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Received on Fri Nov 21 17:41:24 2003