HSAV Technology Co., Ltd. (http://hsav.cn | http://hsav.com) is a high-tech enterprise specializing in LED display driving, home theater decoding, professional audio decoding, and industrial communication. We provide high-quality chip-level solutions for LED display driver modules, HDMI & DTS/Dolby audio decoding, USB multimedia recording/playback, and industrial communication applications. Our products are widely used by renowned domestic and international clients, and are exported to Japan, South Korea, Taiwan, Russia, Europe, the Middle East and other countries and regions.
In the audio field, the company has mastered core decoding algorithms, forming a complete, systematic, and comprehensive audio solution portfolio. Currently offering 7.1CH/5.1CH/2.0CH DTS/Dolby Digital AC-3 audio decoding, HDMI audio/video separation decoding, USB multimedia MP3/WMA/WAV recording/playback and other products. Our products are software-algorithm focused, with simple hardware structure, low cost, and powerful professional functions. They are widely used in set-top boxes, car navigation, smart home, KTV, professional audio and other fields.
In the mobile karaoke field, the company launched the unique KK mobile karaoke product series. The first generation introduced the powerful yet affordable KK effect processor, using FPGA chip-level digital sound effect processing. With AD/DA conversion achieving up to 96KHz sampling frequency, lossless and distortion-free echo effects, the sound quality reaches professional KTV room standards, providing perfect karaoke experience for mobile karaoke enthusiasts and becoming the benchmark product in the mobile karaoke field.
In the LED display field, our products are widely used and the information display market is developing rapidly. The successful application of our LED display driver control system has injected new vitality into the company's development. Our LED display system supports all indoor/outdoor dual-color and full-color LED displays. Communication interfaces include RS232/485 serial port, RJ45 Ethernet, USB, infrared remote control, PS2 keyboard, and GSM/GPRS modules. Customized services are available to meet different display effects, colors, sizes and functional requirements of LED display system users.
In the network communication field, with the rapid development and expanding application scope of informatization, the company has keenly grasped new opportunities in the information industry. Our products have achieved widespread development both domestically and internationally, and chip-level solutions for communication applications have gradually become a new growth point in the IT industry. Under this premise, the company launched embedded chip-level network connection modules supporting 10M/100M network auto-negotiation. Through IE browser, users can configure the chip and automatically download chip program groups from remote servers, forming a true chip-level solution supporting remote upgrade, widely used in information appliances, security systems and other fields.
In 2004, the company officially registered the "STL" brand, and products were successfully applied to the company's product series (http://www.stlkk.cn).
In the fierce market competition, the company always adheres to a global market operation mode, strengthens product standard management, standardized management, and patent management. Strengthening cooperation with overseas customers is an important strategy for the company's development. The company always adheres to the business philosophy of pragmatism, innovation, service, and win-win, and adheres to steady operation and sustainable development.
Company Information
Address：Room 2210, Building F, Gongle City, Xixiang, Bao'an District, Shenzhen
Postal Code：518102
Tel：0755-27950879 29653102
Fax：0755-27950879
Technical Support：support@hsav.com
Engineer Tang：Mobile 13926527571 | QQ：1005231106 
Sales：sales@hsav.com
Sales Contact：Ms. Feng 13715181536 | QQ：812487000 , 741721138 | SKYPE：C13249855709
Sales Contact：Engineer Pan 13713697825 | QQ：918880752
Project Consultation：Engineer Liu：Mobile 13926528793 | QQ：599134277
Working Hours：Monday to Saturday (8:15-12:15 AM, 14:30-18:45 PM)
| 2015 | Q1 | Shenzhen HSAV Technology Co., Ltd. officially renamed |
| 2014 | Q1 | Launched integrated new karaoke product ST-885 round knob effect processor |
| Q2 | Launched new karaoke product ST-863 round microphone with dual-color LED | |
| Q3 | Launched 5.1 DTS/Dolby Digital AC-3 audio decoder | |
| Q4 | Launched 8-channel audio decoder DI36H with HDMI interface | |
| 2013 | Q1 | Launched new karaoke product ST-881 effect processor |
| Q2 | Launched new karaoke product ST-861 dual-color LED round microphone | |
| Q3 | Launched DTS/Dolby Digital AC-3 audio decoder DA32UA | |
| Q4 | Launched new karaoke product ST-862 dual-color LED round microphone | |
| 2012 | Q1 | Launched portable Bluetooth karaoke amplifier ST-871 |
| Q3 | Launched ST-819 KK mobile karaoke stand for ST-871 | |
| 2011 | Q1 | Launched second generation OTG15E with USB interface for CF card MP3/WAV recording/playback |
| Q4 | Launched DTS/Dolby Digital AC-3 audio decoder DA32UD with I2C interface | |
| 2010 | Q1 | Provided audio decoding support for Changhong |
| Q2 | Launched dual HDMI 8-channel audio decoder DI35H | |
| Q3 | Launched DTS/Dolby Digital AC-3 USB/SD/TF multimedia audio decoding module DA32C | |
| Q4 | Provided audio decoding support for Konka | |
| 2009 | Q1 | Launched ST-957 GSM/GPRS communication module |
| Launched multi-function MP3 player ST-979 | ||
| Q2 | Launched DTS/Dolby Digital AC-3 audio decoder DA32UQ with I2C interface | |
| Launched LED display controller DL62F with 10M Ethernet, supporting TCP/UDP protocol, directly connectable to Internet | ||
| Q3 | Launched microcontroller network interface converter IP72C | |
| Launched DTS/Dolby Digital AC-3 audio decoder DA32UD with I2C interface | ||
| Launched dual serial port network interface converter SM312 | ||
| Q4 | Launched network interface recording/playback module OTG15R | |
| Launched multi-function config72, allowing users to customize HTTP configuration interface for IP72 series | ||
| Launched DI35H audio input/output HDMI separation decoding converter | ||
| Launched IP72V video/audio encoding module | ||
| Launched QQ display panel LC09 with expandable button function | ||
| 2008 | Q1 | Launched microcontroller network interface converter IP71B, converting to I2C with only 2 GPIO pins |
| Launched new LED display controller hardware ensuring grayscale levels, multi-language support | ||
| Launched USB interface CF card MP3/WAV recording/playback OTG15E | ||
| Q2 | Launched LED display controller DL61D with keyboard and IR remote control, manual/automatic data switching | |
| Launched USB firmware upgrade module ST-991C20M/ST-991C1KM | ||
| Launched ST-955 auto-dial module | ||
| Q3 | Launched USB MP3/WAV audio recording/playback OTG15H | |
| Launched LED display controller DL61E, upgraded from DL61D with network and USB | ||
| Launched small character display chip supporting Chinese, English, Japanese, Korean | ||
| Launched full series LED display control driver solutions | ||
| Q4 | Launched LED display controller DL61K, upgraded from DL61E with GSM SMS module | |
| Launched full series LED display control driver solutions | ||
| 2007 | Q1 | Launched ST-991CRDS USB FM RDS radio module |
| Launched small dot matrix display driver DL61A | ||
| Launched OSD37F video character overlay module | ||
| Launched ST-975 dot matrix display driver with RS485, supporting image dot matrix writing | ||
| Q2 | Launched DTS audio decoder DA32UD upgraded from DA32UQ | |
| Launched multi-function MP3 player ST-979 | ||
| Launched OTG15A with dual USB and hardware CTB for MP3/WMA/WAV/MIDI decoding | ||
| Launched LCD display module | ||
| Q3 | Launched RDS41P FM RDS decoding module | |
| Launched DispTool display panel debugging tool with multi-thread programming | ||
| Implemented T9 Pinyin and Wubi input methods for LED display controllers | ||
| Q4 | Launched ST-995 FM RDS audio module | |
| Launched ST-971 display module with GSM SMS control, used in bus display and access control | ||
| Launched DA32VF supporting 7.1-channel Dolby Digital EX and DTS-ES 96/24 | ||
| 2006 | Q1 | Applied for patent "Home theater decoding device with USB interface", Patent No.: ZL200520054132.9 |
| Launched USB-controlled LED display module ST-970 | ||
| Launched ST-991COM universal programmable controller ST-990ALT/ST-990XIL | ||
| Q2 | Applied for patent "Display data processing method and device", Patent No.: ZL200520060585.2 | |
| Launched dual-panel DTS/Dolby Digital AC-3 audio decoder DA32UQ | ||
| Launched high-speed dual USB FPGA IP core for USB storage applications | ||
| Launched low-cost USB protocol controller ST-950 | ||
| Q3 | Launched high-brightness LED display controller DL61C | |
| Launched SFLASH25 driver with high-speed algorithm | ||
| Launched Chinese/English character VFD display module VFD50 | ||
| Q4 | Launched 7.1-channel Dolby Digital EX and DTS-ES 96/24 decoding solution | |
| Launched multi-function LED display control driver chip-level system with GIF animation | ||
| Launched DI35T video/audio panel converter | ||
| Launched English dot matrix VFD20, 5x7 matrix | ||
| 2005 | Q1 | Launched MP3/WMA player with FM radio, supporting USB OTG |
| Launched RDS 41C AM/FM RDS decoding module | ||
| Launched second generation USB OTG MP3 decoder OTG13C with enhanced DOS compatibility | ||
| Launched Dolby Digital AC-3 audio decoder application scheme 1 | ||
| Q2 | Implemented hardware decoding with FPGA/CPLD for improved stability | |
| Launched home theater scheme 3 with Dolby Digital AC-3 decoder | ||
| Launched multimedia playback scheme 1 for IDE HDD, IDE CD-ROM, SD, MS cards | ||
| Launched 2.4G wireless high-speed data communication | ||
| Q3 | Launched USB OTG MP3/WMA decoder OTG13S | |
| Launched DI35S video/audio separation decoding converter | ||
| Launched high-efficiency digital amplifier for high-fidelity audio | ||
| Q4 | Launched audio decoding/encoding module with OLED display | |
| Launched professional karaoke effect processor scheme 2 | ||
| Launched XC9572XL and EPM3064 CPLD development board SM-503 | ||
| Launched decoding scheme 2 using FLASH storage without USB drive | ||
| 2004 | Q1 | Applied for patent "Hardware decoding device and method", Patent No.: ZL03223688.3 |
| Launched professional karaoke effect processor using YSS915 chip | ||
| Q2 | Launched first generation USB OTG MP3 decoder OTG12A, compatible with most USB storage devices | |
| Launched home theater scheme 1 with USB OTG audio decoder | ||
| Q3 | Launched video professional effect processor OK hardware decoding system for monitors | |
| Launched home theater scheme 2 with USB OTG audio decoder and VFD display | ||
| Successfully registered "STL" brand and launched product series | ||
| Q4 | Launched high-performance USB OTG MP3/WMA decoding with full-duplex communication | |
| Hardware decoding device and display module ST-912 completed | ||
| Launched CPU-controlled audio decoder DA32UC/DA32UA | ||
| 2003 | Q1 | Launched DA32HY Dolby Digital AC-3 audio decoding with communication interface extension |
| Obtained Dolby certification | ||
| Integrated full-function AM/FM radio module in AV decoding solutions | ||
| Q2 | Launched DA32PH Dolby Digital AC-3 audio decoding with power management | |
| Obtained DTS certification | ||
| Launched USB2.0 hardware VCD/MP3 decoding system DR56C | ||
| Q3 | Added Chinese/English OSD display in AV home theater | |
| Launched DA32PA Dolby Digital AC-3 audio decoding with power management | ||
| Q4 | Launched DR53E CF card MP3 recording/playback, used in schools, supermarkets, clock displays | |
| Obtained European RDS certification and HDCD certification | ||
| 2002 | Q4 | Shenzhen HSAV Technology Co., Ltd. established |
| Launched DA32HC Dolby Digital AC-3 audio decoding with communication interface | ||
| Launched DR58C hardware MP3 decoding system |