HM – Self-contained stand alone speech recognition circuit, User Programmable through keys. 2 No’s of 7-Segment Display (To Display Voice Recognize. The heart of the circuit is the HM speech recognition IC. AVR SELF LEARNING KIT–Interfacing 16 x 2 LCD in 8 bit ModeIn “AVR. Model #: Product’s Page: Speech Recognition System based on HM The speech recognition system.

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It is not necessary to train all word spaces. Blog Stats 1, hits Follow Blog reognition Email Enter your email address hm20007 follow this blog and receive notifications of new posts by email. Take a look around and grab the RSS feed to stay updated. As the RAM is volatilea 3v button battery is used to backup stored data. To find out more, including how to control cookies, see here: A 12v adapter can be used as a power source, as the board has inbuilt 5v regulator with heat sink.

HM – Speech Recognition Chip

The 8 bit data is passed through an octal latch IC 74HC This can then be later connected to a microcontroller for further functions. Robotics recogniiton, Uncategorized — 1 Comment. By continuing to use this website, you agree to their use. The calculation of arriving at these values are shown in table above. Notify me of new comments via email.


You are commenting using your WordPress. The heart of the circuit is the HM sspeech recognition IC. To stop the motor decimal 08 is assigned.

If the system has to work under noisy environments, background noise may corrupt the original data and leads to malfunctioning.

This 8 bit data can be directly connected to a port of Microcontroller for further action. Motor Control by Voice Recognition. Leave a Reply Cancel reply Enter your comment here In the training process user trains the IC by speaking words into sprech microphone and. The board requires 5v DC supply.

Let us test the board by connecting to a Motor through a motor driver board L Take care to avoid using this board in Noisy places. You are commenting using your Twitter account. May 16, refognition The circuit will accept and recognize up to 20 words numbers 01 through An 8 kB external RAM is needed to store data.

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

In the training process user trains the IC by speaking jm2007 into the microphone and assigning a particular value for that word. To display the command numbers 2 common cathode 7 segment displays are provided. Speech samples are acquired by a Microphone on board. Training Words for Recognition: Provide a separate 12v DC power source to L board. Before starting the training process we can erase the previous memory.


Dpeech the target word into the onboard microphone near LED clearly. This L can drive 2 motors at a time. Functioning of L can be understood from this post.

Fill in your details below or click an icon to log in: The IC can recognize 20 words, each word a length of decognition. Thanks for dropping by alselectro! Email required Address never made public. It is used in Robotics to control motors according to voice commands.

This site uses cookies. You may continue training new words in the circuit. Check out the table below to see how to achieve a number for a Word.