Description
Non-specific Person LD3320 Voice Speech Recognizer Voice Control 3M ASR M08-B Open Source Voice Recognition
Product Description
Built-in microphone
Mode selector switch
Trigger button
IO port
TTL serial port
Second serial port
Mode selector switch
Trigger button
IO port
TTL serial port
Second serial port
Three identification detection modes
Loop detection mode: Continuously detects surrounding sound until recognition is successful.
Password detection mode: two instructions are used to control an action within 8 seconds, which can be identified by two
instruction modules.
Button detection mode: Press the button once to speak the command within 8 seconds to recognize it. After 8 seconds, press the button again to recognize it again.
Password detection mode: two instructions are used to control an action within 8 seconds, which can be identified by two
instruction modules.
Button detection mode: Press the button once to speak the command within 8 seconds to recognize it. After 8 seconds, press the button again to recognize it again.
Support dual serial port and IO port dual output
It can be connected with 51 MCU, STM32, Arduino, Raspberry Pi and other hardware. Used to build dialogue robots, voice control smart cars, etc.
Specification
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1
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no need to learn programming (Instruction: Send the pinyin directly through the computer software to set the voice keyword, no need to change the source code)
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2
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Three major recognition modes
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3
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Support dynamic editing
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4
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Dual serial port + IO output
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5
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Three meters recognition distance
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6
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3.3v / 5v power supply
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7
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Recognition rate 85%-95%
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8
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TTL serial communication
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9
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Built-in HD microphone
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10
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Non-specific person speech recognition
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Details Images
FAQ
1. How many sentences can this speech recognition module recognize? Can it recognize English? Re: Can recognize 50 sentences (dialogue); Can only recognize Mandarin, the recognition principle is Pinyin recognition. 2. How far is the recognition distance? Is the recognition rate high? Re: In a relatively quiet environment, the distance is about 3 meters, the chip company announced that the recognition rate is above 90%, and the customer feedback is above 85% 3. Can I modify keywords by myself? How to modify? Re: You can modify the recognition sentence by yourself, input pinyin in the software terminal to modify 4. Can an external microphone be connected? Can a microphone of 1 meter or more be connected? Re: You can connect an external microphone. It is recommended that the longest extension cable is 20cm. It is too long and the loss will affect the recognition
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