[opus] Codec Implementation on Hardware

[Chinmaya Panda]

 Respected Sir/Madam,

I am working as  Research Scholar at IIT, Bhubaneshwar, which is one of the
pioneer educational organization in India. ( http://www.iitbbs.ac.in )
My assigned task is to transfer voice signal (Audio in future) over
wireless sensor network.
I have Arduino DUE, Arduino Mega, TMS320C6713 DSP board, TMS320F28379D
Lunch pad, FPGA boards and necessary
Microphone, filter, amplifier, speaker, Zigbee, bluetooth and other
required electronics modules.

I am able to transmit raw audio samples through Arduino Due and Zigbee
modules. The audio quality in receiving side is very poor,
so I have hope that if I can implement some compression algorithms then I
can transmit audio/voice with perceptual accuracy.

I came across few compression techniques, and found that Opus is the latest
and futuristic technique, so suitable for me.

Now I have to start implementing same over any one of my module for
testing, but with correct learning approach.

I need your suggestions and help to accomplish the task, as I am completely
a new technologist in this domain.

1- Which board is most suitable, from my above list (Is Arduino Due
Suitable, or TMS320C6713 ?)?
2- How should I start implementing compression techniques(Should I start
directly from Opus or some CELT algos?)?
3- How to get compressed short audio bitstream, so that I can transmit over
WSN?

Hope my communication is clear to you. In case any requirement is there
then I am ready to reply.


Thanking you.
Regards
Chinmaya Panda
cell-8599850989
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