| However, the main annoyance this product shows is | | | | Voice recognition is usually used on cell phones by |
| that due to the built in microphone, a loudspeaker, a | | | | automatic voice dialing. The holder says the name of |
| battery and a voice-recognition chip and though the | | | | the person he or she wishes to call and the name is |
| credit card is of a standard size, it is almost three | | | | recognized, associated with a phone number and |
| times thicker than a regular one and a lot heavier. This | | | | contacted by the phone that dials the number without |
| may be a really drawback and designers are working | | | | further intervention of the cell phone holder. |
| on improving this. | | | | However, the problem is to develop a voice |
| The Technology | | | | recognition system with its audio circuitry and a suitable |
| The voice card was designed specifically to prohibit | | | | battery of a small seize that can work together for a |
| fraud of online transactions. The first voice card has | | | | significant period of time. And this seems to be causing |
| no microphone, instead it has a built-in speaker that | | | | huge problems. The consequence of this is the thick |
| gives emits an acoustic ID signal which is received by | | | | size of the prototype and the weight. |
| a computer's microphone and sent to an online server | | | | Another annoyance is that in order to maximize |
| for processing. | | | | battery life, the system starts working only when a |
| The signal is then verified and after it matches the | | | | button on the side of the card is pressed. Only then |
| credit card details, the server establishes that the user | | | | the holder can utter the password so the card emits |
| is not just entering a credit card number but in fact | | | | the corresponding beep. This seems too complicated |
| possesses the actual card. In order to avoid frauds | | | | for people to get used to and does not make the card |
| and recording of the beep to replay it later, the ID code | | | | at all attractive. |
| changes each time the credit card is used in a | | | | The idea is to enable the system to allow the holder to |
| pre-ordained sequence that only the server knows. | | | | make up to 10 transactions each day for at least two |
| The new voice version includes the voice password | | | | years without the battery dying. Voice recognition has |
| that avoids use if actual credit card theft occurs since | | | | also been used for phone transaction before which is |
| it is not easy to reproduce the owner's exact voice to | | | | in turn a lot simpler because the credit card doesn't |
| make the credit card generate the beep. However, | | | | have to include the system on it. This new technology |
| many ask themselves what happens if the owner is ill | | | | is promising, however, it needs to solve the issues |
| and has problems breathing or throat pain. | | | | explained before and the fact that the costs are yet |
| Battery Size | | | | too high to implement successfully. |