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Speech Recognition

Dialogic D/300 CTI board

by Uttam Pegu on March 15, 2010

Dialogic D/300 JCT-E1 is the entry level board for anyone who needs digital network interface with PSTN network as well as voice resources in the single board. I feel, D/300 board is most used entry level CTI board for many high end, feature rich IVR applications like unified messaging system, Fax Server, Caller Ringback Tone, [...]

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Speaker Recognition for caller authentication in IVR

by Uttam Pegu on March 5, 2010

What is Speaker Verification
Speaker verification, also known as speaker recognition, can be defined as process of authenticating ones claimed identity by comparing their voice and previously recorded or computed speech characteristics (voiceprint, which is as unique as finger print ). While speech recognition is widely used in IVR, speaker [...]

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How to use IVR as E-com portal

by Uttam Pegu on November 16, 2009

I have posted one article how IVR can be used to generate revenue, mainly from caller paying to use the IVR services through a voice portal in collaboration with a telecom operator. No doubt, it is a lucrative Voice VAS(Value Added Service) for many M-VAS companies as well as telecom operators, but there are other [...]

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IVR Customization Tips

by Uttam Pegu on October 27, 2009

What is IVR customisation ?
Normally, an IVR application is designed and developed as per requirement of the customer by IVR companies. But they have ready-made modules tested and readily available for quick development. Normally, the modules like, telephone interface, ring detection, caller ID detection, database connectivity etc. are always readily available. Also many [...]

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Use of Text to Speech (TTS) in IVR System

by Uttam Pegu on July 27, 2009

What is TTS ( Text to Speech) ?
TTS or Text To Speech is a process where text is converted to WAV file and played back. So it is a system or often called “engine” that converts text to voice. If some one types a sentence in a note pad, a TTS software would convert it [...]

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Voice User Interface (VUI) Design Tips

by Uttam Pegu on July 11, 2009

VUI ( Voice User Interface) is the call flow of IVR system. Usability of IVR is dependent on the VUI. So it is desirable that considerable amount of time be devoted in designing, testing and documenting VUI of IVR system before actually developing IVR system.
Here are few simple VUI design guidelines of tips I [...]

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Developing an Outbound IVR Application

by Uttam Pegu on March 23, 2009

There are few basic difference between outbound and inbound IVR Application. Normal IVR Application deals with inbound calls and call transferring. But an outbound IVR performs the few more tasks than an Inbound IVRS! And this is purely call handling point of View.
Though inbound application may have to do more computation as it has wider [...]

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IVRS and Speech Recognition

by Uttam Pegu on March 14, 2009

Speech recognition in IVRS has become more of a necessity after mobile phones have arrived. POTS ( Plain Old Telephone ) System have telephone instrument with proper keypad along with head-set. Procedure of calling is suitable for pressing DTMF based interaction with IVR System!
You normally lift the headset with left hand, dial pressing keys on [...]

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