hello friends i’m a newbie and i’m looking for a HM speecg recognition IC for my project can anyone tell me where in hyderabad to find it if. Dear, Iam searching for HM IC. I live in Pakistan, Does anybody know about from where it is available or a website from where I can find it. The HM Speech Recognition IC has two operational modes; manual mode and CPU mode. The CPU mode is designed to allow the chip to work under a.

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HM2007 Voice Recognition IC

It is used in Robotics to control motors according to voice commands. The heart of the circuit is the HM speech recognition IC. Speech samples are acquired by a Microphone on board. This 8 bit data can be directly connected to hj2007 port of Microcontroller for further action. An 8 kB iv RAM is needed to store data. As the RAM is volatilea 3v button battery is used to backup stored data.

The 8 bit data is passed through an octal latch IC 74HC To display the command numbers 2 common cathode 7 segment displays are provided. The board requires 5v DC supply. A 12v adapter can be used as a power source, as the board has inbuilt 5v regulator with heat sink. In the training process user trains the IC by speaking words into the microphone and. This can then be later connected to a microcontroller for further functions. Say the target word into the onboard microphone near LED clearly.


You may continue training new words in the circuit. The circuit will accept and recognize up to 20 words numbers 01 through It is not necessary to train all word spaces. hn2007

If the system has to work under noisy environments, background noise may corrupt the original data and leads to malfunctioning. Take care to avoid using this board in Noisy places. Let us test the board by connecting to a Motor through a motor driver board L This L can drive 2 motors at a time.

Functioning of L can be understood from this post. Provide a separate 12v DC power source to L board. To rotate LEFT a decimal value of 18 is assigned. To stop the motor decimal 08 is assigned. The calculation of arriving at these values are shown kc table above.

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Voice Recognition board HM – How to control a motor using voice commands | alselectro

The IC can recognize 20 words, each word a length of 1. In the training process user trains the IC by speaking words into the microphone and assigning a particular value for that word. Training Words for Recognition: Before starting the training process we can erase the previous memory.

Check out the table below to see how to achieve a number for a Word. Motor Control by Voice Recognition. May 16, at Leave a Reply Cancel reply Enter your comment here Fill in your details below or click an icon to log in: Email required Address never made public.

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