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Description
The QS74FCT253AT is an IC chip that falls under the product category of electronic components. The QS7777PF/CF is an audio processor IC that implements the QSurround™ technology developed and licensed by QSound Labs, Inc. It processes Dolby Digital (AC-3) and Dolby Surround audio signals to produce enhanced virtual 3D sounds, even for 2-speaker systems. It can generate 2, 3, 4, and 5-channel speaker configurations, all with enhanced surround signal outputs.
Specifications and features
Features:
- Enhanced surround signal from Dolby Digital (AC-3) and Dolby Surround (ProLogic) input signals.
- 2-step adjustable sound enhancement.
- Supported speaker configurations:
- Dolby Digital (AC-3) 6-channel signals to 2, 3, 4, 5-channel speaker QSurround signal configurations.
- Dolby Surround (ProLogic) 4-channel signals to 2, 3, 4-channel speaker QSurround signal configurations.
- Monaural to virtual stereo conversion.
- Parallel and 2 serial interface control modes selectable:
- QS7777CF: I 2 C bus 2-wire serial interface.
- QS7777PF: 3-wire serial interface (Data, Clock, Strobe).
- 5 to 13V analog supply.
- 4.5 to 5.5V digital supply.
- 48-pin QFP package.
Application Scenarios
The QS74FCT253AT IC chip can be used in various applications such as:
- DVD and laser disk players.
- TV and AV equipment.
- Multimedia products (including sound cards).
- Car audio.
Comparison
Advantages- Enhanced surround signal from Dolby Digital (AC-3) and Dolby Surround (ProLogic) input signals.
- 2-step adjustable sound enhancement.
- Can generate 2 to 5-channel speaker configurations with enhanced surround signal output, even for 2-speaker systems.
- Monaural to virtual stereo conversion.
- Two selectable control modes.
Disadvantages- No disadvantages mentioned.
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Datasheet
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Shopping guide
Delivery period:
- - Will ship out in 2-3 days
- - DHL Express: 3-7 business days
- - DHL eCommerce: 12-22 business days
- - FedEx International Priority: 3-7 business days
- - EMS: 10-15 business days
Shipping fee:
- - Automatic Email notification (above 5 times)
- - View in your order page
Shipping option:
DHL, FedEx, EMS, SF Express, and Registered Air MailShipping tracking:
- - Automatic Email notification (above 5 times)
- - View in your order page
How to Buy:
- - In-stock, Add to cart > Check out > Submit order > Complete payment >Delivery.
- - Inquiry, Add to inquiry sheet/Submit bom/inquire file/Send email us > Quote > Place order > Complete payment >Delivery.
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Payment:
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- - Wire transfer, include Local bank transfer.
- - Western Union.
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Additional Information
- Datasheet: Download QS74FCT253AT
- Chipdatas Part: CD87-QS74FCT253AT
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/13 02:07 +0800
Refund
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- Full Refund if you don't receive your order
- Full or Partial Refund , If the item is not as described
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Payment Method
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The fee is charged according to the rule of PayPal.
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The fee is charged according to the rule of PayPal.
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Western Union charge US$0.00 banking fee.
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We recommend to use bank transfer for large orders to save on handling fees.
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