Microsoft could soon release a Windows-powered phone that boasts of cutting-edge camera functions, to be set off by pre-programmed voice commands.

This emerges as the tech giant came up with a new technology that permits the manipulation of a phone camera through voice-prompted commands, Patent Bolt said in a new report. Microsoft's patent filing was discovered following earlier reports that a new WP8 smartphone is now in a testing phase.

If realised, Microsoft will achieve a first in the mobile device industry - seeing that "voice commands will be coming to smartphones to control camera functionality in the future."

The most essential functions of the new Microsoft invention are best appreciated when "performing image capture functions without making physical contact with a device so as to avoid camera shake," Patent Bolt said.

With a fully-functional voice controller on Windows phones, users can efficiently capture self-portrait and group pictures without leaving out anyone or seeking assistance, the same report added.

The commands for specific camera functions are either the preset settings or users can reconfigure to their preferences. For example, if the object is to capture an image or record a clip, a user can shout out 'Shoot' and the camera phone will do as told hands free.

Other camera menus are also invoked by voice - to store a file, a user can utter 'Save' or to erase, the magic word is 'Delete'. These voice commands are wholly replaceable with words or phrases more appealing to users.

One interesting aspect of the Microsoft patent is its possible integration with other hardware products of the tech giant, creating the possibility that upcoming makes of the Surface tablets and Xbox would offer camera with voice command features, the report said.

The new invention, Patent Bolt said, strongly suggests that Microsoft could be actively working on a smartphone that is being developed in-house, resurrecting earlier talks that a Surface mobile phone could hit the market soon.

"The first thing that strikes you when you view Microsoft's patent ... is the clearly visible Windows logo located at the bottom of the bezel that acts as the smartphone's home button," the report said.