AA8334 Datasheet, PDF (1/9 Pages) Agamem Microelectronic Inc. – SURROUND PROCESSOR

Agamem Microelectronics Inc.
AA8334
PRELIMINARY
SURROUND PROCESSOR
■ DESCRIPTION
AA8334 is an analog stereo enhancement processor. It creates a stereo image with depth
in three dimensions from ordinary left and right input channels. The patented QXpander
(*1) technology developed by QSound Labs, Inc., is faithfully implemented by
Agamem(*2).
Note 1: QXpander® is a stereo to 3D enhancement processor and is a trademark of QSound
Labs, Inc...
Note 2: Agamem has got licensing agreement of QXpander® from QSound Labs, Inc...
■ FEATURES
• Sound spreading can be easily adjusted using an external VR.
• Few external components required through use of internal filter circuit.
• QXpander on/off switching at TTL level.
■ APPLICATIONS
• Sound enhancement processor for LCD TV, home theater, PC, notebook and car stereo.
■ BLOCK DIAGRAM
Vcc
LIN
3DF1 3DF2 3DF3 3DF4 DET LOUT
16
15
14
13
12
11
10
9
+
-
AA8334
1
2
3
4
5
6
7
8
RIN
VREF S/3D
FC
SPC 3DIN ROUT GND
©Copyright Agamem Microelectronics Inc.
1
www.agamem.com.tw 2008/3/28
AGAMEM MICROELECTRONICS INCOPERATION RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER
NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. AGAMEM DOES NOT
ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESRIBED
HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.