Automated Voice Chip Programming Line #iot #embedded #Manufacturing #vo...


🏭 [Voice Chip Mass Production in Action]

🔊 Automated Programming Line
Each beep = 1 chip programmed!
Witness our KT142F & KT148A chips being prepared for:
🧸 Toys - Fun sound effects
🏥 Medical Devices - Critical alerts
🏭 Industrial Gear - Operation prompts

💡 Why It Matters:
✅ 99.8% programming accuracy
✅ Simultaneous multi-chip processing
✅ Auto-tube packaging for safe delivery

#VoiceChip #SmartManufacturing #AudioTech #IndustrialAutomation

👉 Tap to hear the satisfying production rhythm!

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KT148A Voice Chip at Baidu Baike

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Voice Chip The KT148A Sound chip is developed by Shenzhen Qingyue Electronics Co., Ltd. and is widely used in security, transportation, and other fields. The KT148A is a 32-bit DSP voice chip in a standard SOP8 package. It features a built-in 420KByte voice storage space, supporting a maximum voice length of 420 seconds, multi-segment voice playback, direct driving of a 0.5W speaker, and user-replaceable voice content. Chinese Name: KT148A Sound Chip Developer: Shenzhen Qingyue Electronics Co., Ltd. Type: Voice Chip Applications: Security, transportation, and related fields 1. Product Overview The KT148A is a 32-bit DSP sound chip in a standard SOP8 package. It has a built-in 420KByte voice storage space, supporting up to 420 seconds of audio, multi-segment playback, direct driving of a 0.5W speaker, and allows users to replace voice content. 2. Product Advantages Cost Reduction & Reprogrammability: Improved manufacturing processes lower costs while allowing repeated firmware upd...
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KT148A Voice Chip Issue: Difficult to Play with Code Sending - Normal Playback After Grounding Pin 4, What’s the Reason?

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Problem Description: Hello, we’ve encountered an issue and would appreciate your support: With the KT148A chip, after powering on, sending the code rarely triggers playback. However, if we use tweezers to briefly short Pin 4 (PB0) to ground and then send the code again, playback works normally. What could be causing this? Based on the observed behavior, it’s highly likely an issue with the timing of one-wire communication,  particularly with the start signal, which may be too short.  Let’s analyze this in detail and review the KT148A schematic as follows: 1. Pin 4 (PB0) of the Chip: PB0 is a test pin with the default factory function of triggering wake-up and playback when grounded. 2. Customer Description: When the customer uses tweezers to short PB0 (Pin 4) to ground, it follows this principle. The shorting action actually performs two operations: Action 1: The KT148A detects a falling edge signal, wakes up, exits low-power mode, and enters full-speed operation. Action 2: Th...
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KT1025A Dual-Mode Bluetooth Audio Chip Layout Description and Design Precautions

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  1. Brief Overview 1. First, please refer to the provided BT201 test DEMO module as the standard. 2. If using the chip independently without testing the BT201 module and directly proceeding to layout, background noise is highly likely if experience is limited. Therefore, always compare with the manufacturer’s test board first. 3. The BT201 solution does not include FM functionality. Please note this. The FM circuit should be left floating without hesitation 2. Precautions 1. Background noise or interference is common in Bluetooth audio products. Do not be careless during layout. 2. If you have not worked on audio products before, study online resources thoroughly. Assuming things casually will naturally lead to noise issues. 3. The core principle is to separate analog ground and digital ground. If unclear, consult an experienced engineer. 4. Ensure a clean power supply. Use an LDO whenever possible instead of a DC-DC converter. 5. Bluetooth operates at high-frequency RF and radiat...
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