ICs for Audio Common Use
Publication date: November 2001
Sound signal processing with built-in Spatializer IC
Spatializer Audio Processor is a signal processing
technology, monopolized by Desper Products, Inc., that
was developed for commercial electronics and multime-
dia markets, and is based on Desper's “PRO Spatializer”
that is a 3-D audio production system for business use.
The AN7396K utilizes the innovative technology adopted
in that system. It provides sound enhancement effect and
sound expansion with the conventional 2-speaker stereo
system. Moreover, the AN7396K is a sound processing IC
which incorporates the I2C Bus-controllable mute, sound
AGC, bass reinforcement, tone (bass and treble), balance,
and volume circuits.
• Provides deep 3-D sound with conventional 2-speaker
• Performs optimal processing to the sound source re-
corded with surround-effect so as not to give double
• Provides the functions of muting, AGC, bass reinforce-
ment, tone, balance, and volume control.
• Supports I2C Bus controls.
• Televisions, videos, audio equipment, and game machines
3° to 15°
Note) Spatializer and the device trademark of circle-in-square
are owned by Desper Products Inc.
This product can be used with the consent of the Desper Products Inc.
Under the terms of the agreement between Matsushita Electric and Desper Products Inc., no technical information on the
Spatializer, which is applied to this product, shall be provided.
Note) The package of this product will be changed
to lead-free type (SDIP030-P-0400B). See the
new package dime