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codec and DPS chips

Hi everybody.

Ip telephone uses the codec. My question is : Is DPS  a part of codec or It is totaly distinct object?

thanks

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1 ACCEPTED SOLUTION

Accepted Solutions

codec and DPS chips

DSPs are the electronic hardware chips used to codify and decodify (CODEC) a circuit switched audio stream (TDM) in to packet switched audio stream (RTP) and more. RTP-RTP, transcoding, conferencing, etc.

More info about cisco DSP:

http://www.cisco.com/en/US/prod/collateral/routers/ps5854/product_data_sheet0900aecd8016e845.html

General info about DSP:

http://en.wikipedia.org/wiki/Digital_signal_processor

or

http://www.audiocodes.com/glossary/dsp

A codec is an algorithm to codify and decodify.

An audio codec is specialized in voice or audio information, a video codec in a video information, etc.

An example of audio codecs are G,711, G,729, GSM, G.722, etc. Video codecs are H.264, XVID, MPEG, etc.

General info about codecs:

http://en.wikipedia.org/wiki/Audio_codec

More info about codec and cisco:

http://www.cisco.com/en/US/tech/tk1077/technologies_tech_note09186a00800b6710.shtml

Regards.

1 REPLY

codec and DPS chips

DSPs are the electronic hardware chips used to codify and decodify (CODEC) a circuit switched audio stream (TDM) in to packet switched audio stream (RTP) and more. RTP-RTP, transcoding, conferencing, etc.

More info about cisco DSP:

http://www.cisco.com/en/US/prod/collateral/routers/ps5854/product_data_sheet0900aecd8016e845.html

General info about DSP:

http://en.wikipedia.org/wiki/Digital_signal_processor

or

http://www.audiocodes.com/glossary/dsp

A codec is an algorithm to codify and decodify.

An audio codec is specialized in voice or audio information, a video codec in a video information, etc.

An example of audio codecs are G,711, G,729, GSM, G.722, etc. Video codecs are H.264, XVID, MPEG, etc.

General info about codecs:

http://en.wikipedia.org/wiki/Audio_codec

More info about codec and cisco:

http://www.cisco.com/en/US/tech/tk1077/technologies_tech_note09186a00800b6710.shtml

Regards.

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