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04-09-2012 06:52 PM
Hi everybody
http://www.en.voipforo.com/codec/codecs-g711-alaw.php
Based on the above link, codec performs quantization and codification. My question is who performs sampling of analog signal if not codec?
thanks and have a great day.
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04-10-2012 08:19 AM
The DSP is the hardware processor used to accomplish these tasks.
http://en.wikipedia.org/wiki/Digital_signal_processing
Cisco uses PVDM (Packet Voice DSP Module):
http://www.cisco.com/en/US/prod/collateral/routers/ps5854/product_data_sheet0900aecd8016e845.html
Regards.
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04-10-2012 08:19 AM
The DSP is the hardware processor used to accomplish these tasks.
http://en.wikipedia.org/wiki/Digital_signal_processing
Cisco uses PVDM (Packet Voice DSP Module):
http://www.cisco.com/en/US/prod/collateral/routers/ps5854/product_data_sheet0900aecd8016e845.html
Regards.
