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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HM Speech Recognition Kit

The IC can recognize 20 words, each word a length of 1. Leave a Reply Cancel reply Enter your comment here Reecognition display the command numbers 2 common cathode 7 segment displays are provided. An 8 kB external RAM is needed to store data. You are commenting using your Facebook account.

Motor Control by Voice Recognition. Spedch the training process user trains the IC by speaking words into the microphone and. This 8 bit data can be directly connected to a port of Microcontroller for further action. Take a look around and grab the RSS feed to stay updated.

Provide a separate 12v DC power source to L board. Training Words for Recognition: To find out more, including how to control cookies, see recognution To stop the motor decimal 08 is assigned. This L can drive 2 motors at a time. As the RAM is volatilea 3v button battery is used to backup stored data.


HM – Speech Recognition Chip

May 16, at Functioning of L can be understood from this post. This can then be later connected to a microcontroller for further functions. You are commenting using your Twitter account. Notify me of new comments via email.

To rotate LEFT a decimal value of 18 is assigned. Let us test the board by connecting to a Motor through a motor driver board L Fill in your details below or click an icon to log in: Email required Address never made public. The calculation of arriving at these values are shown in table above. Check out the table below to see how to achieve a number for a Word.

RoboticsUncategorized — 1 Comment.

The 8 bit data is passed through an octal latch IC 74HC A 12v adapter can be used as a power source, as the board has inbuilt 5v regulator with heat sink. Take care to avoid using this board in Noisy places. The board requires 5v DC supply.


Before starting the training process we can erase the previous memory. You may continue training new words in the circuit. The circuit will accept and recognize up to 20 words numbers 01 through Say the target word into the onboard microphone near LED clearly.


By continuing to use this website, you agree to their use. Thanks for dropping by alselectro! It is used in Robotics to control motors according to voice commands.

In the training process user trains the IC by speaking words into the microphone and assigning a particular value for that word. Speech samples are acquired by a Microphone on board. It is not necessary to train all word spaces.

Blog Stats 1, hits Follow Blog via Email Enter your email address to follow this blog and receive notifications of new posts recignition email. This site uses cookies. The heart of the circuit is the HM speech recognition IC. If the system has to work under noisy environments, background noise may corrupt the original data and leads to malfunctioning.

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