There is provided systems and method for a voice data processor for distinguishing multiple voice inputs. One or more merchant devices may include or be linked to a voice input and output component, where the component may be used to receive voice input and distinguish between multiple voice inputs. The component may activate in a first direction associated with the merchant to detect merchant voice input that establishes a transaction with a user at the merchant's location. The component may activate a merchant device to establish the transaction based on detecting the merchant voice input and/or through voice recognition of the merchant. Once the transaction is established, the component may then activate in a direction of the user, and may request that the user provide voice input to confirm the transaction and engage in transaction processing. The voice input may also confirm and complete a payment to the merchant.