INTERCOM FULL-duplex
Abstract: echo cancellation audio ZL38005 audio howling ZLS38501 adaptive filter noise cancellation adaptive filter algorithm
Text: ZLS38501 Firmware for Hands-Free Applications Firrmware Data Sheet Features January 2008 • Programmable coding µ/A-law ITU-T G.711 or 8-bit sign magnitude or 16-bit linear at Line interface (Sout & Rin) Programmable echo tail cancellation length from 8 to 256 ms
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ZLS38501
16-bit
INTERCOM FULL-duplex
echo cancellation audio
ZL38005
audio howling
ZLS38501
adaptive filter noise cancellation
adaptive filter algorithm
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audio howling
Abstract: ZL38004 adaptive filter noise cancellation ZLS38500 vehicle loop detector microphone amplifier with alc speaker protection adjustable current limiter microphone amplifier with alc noise cancellation ZL38004 circuit
Text: ZLS38500 Firmware for Handsfree Car Kits Firmware Data Sheet Features September 2007 • Programmable coding µ/A-law ITU-T G.711 or 8-bit sign magnitude or 16-bit linear at Line interface (Sout & Rin) Programmable echo tail cancellation length from 8 to 256 ms
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ZLS38500
16-bit
audio howling
ZL38004
adaptive filter noise cancellation
ZLS38500
vehicle loop detector
microphone amplifier with alc
speaker protection adjustable current limiter
microphone amplifier with alc noise cancellation
ZL38004 circuit
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Non-Pipelined processor
Abstract: LMS adaptive filter model for FPGA Low-Pass Fliege Filter volterra Digital ECHO microphone mixing circuit Fast Block LMS Adaptive Filter using distributed Fliege P-862 LMS adaptive Filters BELL MOUTH
Text: Freescale Semiconductor Application Note AN2598 Rev. 1, 11/2004 Network Echo Cancellers and Freescale Solutions Using the StarCore SC140 Core by Roman A. Dyba, Perry P. He, and Lúcio F. C. Pessoa This application note surveys selected echo cancellation
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AN2598
SC140
Non-Pipelined processor
LMS adaptive filter model for FPGA
Low-Pass Fliege Filter
volterra
Digital ECHO microphone mixing circuit
Fast Block LMS Adaptive Filter using distributed
Fliege
P-862
LMS adaptive Filters
BELL MOUTH
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WARBLE TONE GENERATORS
Abstract: DTMF DTMF ENCODER adaptive filter noise cancellation ZL38233 G-169 g169
Text: ZLS38233 Advanced 4 Channel Voice Echo Canceller with DTMF Transceiver Tx/Rx Firmware Data Sheet Features • April 2009 Independent 4 channel echo cancellation with programmable echo tail length (maximum combined echo tail length of 256 ms) • Fully compliant to ITU-T G.165, G.168 (2000) and
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ZLS38233
WARBLE TONE GENERATORS
DTMF
DTMF ENCODER
adaptive filter noise cancellation
ZL38233
G-169
g169
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DIGITAL DSP HEARING AIDS
Abstract: circuit diagram of hearing aid Hearing Aid Circuit Diagram circuit diagram of digital hearing aid hearing instrument WDRC DSP WDRC
Text: INSPIRIA SA3286 Pre-configured DSP System for Hearing Aids INSPIRIAt SA3286 features iSceneDetectt environmental classification, 128−bands of noise reduction, superior feedback cancellation and built−in feedback path measurement capabilities. The VOYAGEURt based hybrid sets a new standard of performance.
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SA3286
128-bands
SA3286/D
DIGITAL DSP HEARING AIDS
circuit diagram of hearing aid
Hearing Aid Circuit Diagram
circuit diagram of digital hearing aid
hearing instrument WDRC DSP
WDRC
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pull down resistor bank
Abstract: circuit diagram of digital hearing aid hearing instrument WDRC DSP
Text: INSPIRIA SA3286 Product Preview Digital DSP System INSPIRIAt SA3286 features iSceneDetectt environmental classification, 128−bands of noise reduction, superior feedback cancellation and built−in feedback path measurement capabilities. The VOYAGEURt based hybrid sets a new standard of performance.
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SA3286
128-bands
SA3286/D
pull down resistor bank
circuit diagram of digital hearing aid
hearing instrument WDRC DSP
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hearing instrument WDRC DSP
Abstract: audiometry
Text: INSPIRIA SA3286 Pre-configured DSP System for Hearing Aids INSPIRIAt SA3286 features iSceneDetectt environmental classification, 128−bands of noise reduction, superior feedback cancellation and built−in feedback path measurement capabilities. The VOYAGEURt based hybrid sets a new standard of performance.
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SA3286
SA3286
SA3286/D
hearing instrument WDRC DSP
audiometry
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DSPG 56
Abstract: RP12 ZL50232 ZL50232GD ZL50232QC
Text: ZL50232 32 Channel Voice Echo Canceller Data Sheet Features • • • • • • • • • • • • • December 2003 Independent multiple channels of echo cancellation; from 32 channels of 64 ms to 16 channels of 128 ms with the ability to mix channels at 128 ms or 64 ms in any combination
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ZL50232
2100Hz
DSPG 56
RP12
ZL50232
ZL50232GD
ZL50232QC
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RP12
Abstract: ZL50232 ZL50232GD ZL50232QC
Text: ZL50232 32 Channel Voice Echo Canceller Data Sheet Features • • • • • • • • • • • • • October 2003 Independent multiple channels of echo cancellation; from 32 channels of 64ms to 16 channels of 128ms with the ability to mix channels at 128ms or 64ms in any combination
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ZL50232
128ms
2100Hz
RP12
ZL50232
ZL50232GD
ZL50232QC
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package lbga-100
Abstract: No abstract text available
Text: ZL50232 32 Channel Voice Echo Canceller Data Sheet Features • • • • • • • • • • • • • • DS5030 Independent multiple channels of echo cancellation; from 32 channels of 64ms to 16 channels of 128ms with the ability to mix channels
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ZL50232
128ms
2100Hz
package lbga-100
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PCM AT5
Abstract: E1 PCM encoder echo cancellation echo cancellation motorola AC27 ZL50211 ZL50211GB
Text: ZL50211 256 Channel Voice Echo Canceller Data Sheet DS5030 Features • • • • • • • • • • • ISSUE 2 October 2002 Ordering Information ZL50211 has eight Echo Voice Processors in a single BGA package. This single device provides 256 channels of 64 msec echo cancellation or 128
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ZL50211
DS5030
ZL50211
PCM AT5
E1 PCM encoder
echo cancellation
echo cancellation motorola
AC27
ZL50211GB
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DSPG 56
Abstract: ZL50232 ZL50233 ZL50234 ZL50234GD ZL50234QC ZL50235
Text: ZL50234 8 Channel Voice Echo Canceller Data Sheet Features • • • • • • • • • • • • • March 2003 Independent multiple channels of echo cancellation; from 8 channels of 64ms to 4 channels of 128ms with the ability to mix channels at 128ms or 64ms in any combination
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ZL50234
128ms
2100Hz
DSPG 56
ZL50232
ZL50233
ZL50234
ZL50234GD
ZL50234QC
ZL50235
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REGISTER31
Abstract: MU11 ZL50232 ZL50233 ZL50234 ZL50235 ZL50235GD ZL50235QC 2SP10 K496
Text: ZL50235 16 Channel Voice Echo Canceller Data Sheet Features • • • • • • • • • • • • • • March 2003 Independent multiple channels of echo cancellation; from 16 channels of 64ms to 8 channels of 128ms with the ability to mix channels at 128ms or 64ms in any combination
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ZL50235
128ms
2100Hz
REGISTER31
MU11
ZL50232
ZL50233
ZL50234
ZL50235
ZL50235GD
ZL50235QC
2SP10
K496
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DSPG 56
Abstract: No abstract text available
Text: ZL50233 4 Channel Voice Echo Cancellor Data Sheet Features • • March 2003 Independent multiple channels of echo cancellation; from 4 channels of 64ms to 2 channels of 128ms with the ability to mix channels at 128ms or 64ms in any combination Ordering Information
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ZL50233
128ms
2100Hz
DSPG 56
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DSPG 56
Abstract: digital echo E1 PCM encoder g.168 RP15 ZL50232 ZL50233 ZL50233GD ZL50234 ZL50235
Text: ZL50233 4 Channel Voice Echo Cancellor Data Sheet Features • December 2003 Independent multiple channels of echo cancellation; from 4 channels of 64 ms to 2 channels of 128 ms with the ability to mix channels at 128 ms or 64 ms in any combination Ordering Information
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ZL50233
ZL50233/QCC100-Pin
ZL50233/GDC
208-Ball
DSPG 56
digital echo
E1 PCM encoder
g.168
RP15
ZL50232
ZL50233
ZL50233GD
ZL50234
ZL50235
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AC27
Abstract: ZL50211 ZL50211GB DS5030
Text: ZL50211 256 Channel Voice Echo Canceller Data Sheet DS5030 Features • • • • • • • • • • • ISSUE 1 July 2002 Ordering Information ZL50211 has eight Echo Voice Processors in a single BGA package. This single device provides 256 channels of 64 msec echo cancellation or 128
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ZL50211
DS5030
ZL50211
AC27
ZL50211GB
DS5030
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AC27
Abstract: ZL50212 ZL50212GB
Text: ZL50212 288 Channel Voice Echo Canceller Data Sheet DS5030 Features • • • • • • • • • ZL5012 has nine Echo Voice Processors in a single BGA package. This single device provides 288 channels of 64 msec echo cancellation or 144 channels at 128 msec echo cancellation
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ZL50212
DS5030
ZL5012
AC27
ZL50212
ZL50212GB
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TDG 2003
Abstract: RP12 ZL50232 ZL50232GD ZL50232QC P9P11
Text: ZL50232 32 Channel Voice Echo Canceller Data Sheet Features • • • • • • • • • • • • • December 2003 Independent multiple channels of echo cancellation; from 32 channels of 64 ms to 16 channels of 128 ms with the ability to mix channels at 128 ms or 64 ms in any combination
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ZL50232
2100Hz
TDG 2003
RP12
ZL50232
ZL50232GD
ZL50232QC
P9P11
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Untitled
Abstract: No abstract text available
Text: ZL50232 32 Channel Voice Echo Canceller Data Sheet Features • • • • • • • • • • • • • September 2005 Independent multiple channels of echo cancellation; from 32 channels of 64 ms to 16 channels of 128 ms with the ability to mix channels at 128 ms or 64 ms in any combination
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ZL50232
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Untitled
Abstract: No abstract text available
Text: ZL50232 32 Channel Voice Echo Canceller Data Sheet Features • • • • • • • • • • • • • December 2003 Independent multiple channels of echo cancellation; from 32 channels of 64 ms to 16 channels of 128 ms with the ability to mix channels at 128 ms or 64 ms in any combination
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ZL50232
2100Hz
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ZL50232
Abstract: ZL50233 ZL50234 ZL50235 ZL50234QCG1
Text: ZL50234 8 Channel Voice Echo Canceller Data Sheet Features • March 2006 Independent multiple channels of echo cancellation; from 8 channels of 64 ms to 4 channels of 128 ms with the ability to mix channels at 128 ms or 64 ms in any combination Ordering Information
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ZL50234
ZL50234/QCC
ZL50234/GDC
ZL50234QCG1
ZL50232
ZL50233
ZL50234
ZL50235
ZL50234QCG1
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ECHO canceller IC
Abstract: RP12 ZL50232 ZL50232GD ZL50232QC
Text: ZL50232 32 Channel Voice Echo Canceller Data Sheet DS5030 Features • • • • • • • • • • • • • • Independent multiple channels of echo cancellation; from 32 channels of 64ms to 16 channels of 128ms with the ability to mix channels
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ZL50232
DS5030
128ms
2100Hz
ECHO canceller IC
RP12
ZL50232
ZL50232GD
ZL50232QC
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motorola SG2
Abstract: E1 PCM encoder echo delay ZL50212 ZL50212GB AC27 AF17-AF18
Text: ZL50212 288 Channel Voice Echo Canceller Data Sheet Features • • • • • • • • • DS5030 ZL5012 has nine Echo Voice Processors in a single BGA package. This single device provides 288 channels of 64 msec echo cancellation or 144 channels at 128 msec echo cancellation
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ZL50212
DS5030
ZL5012
motorola SG2
E1 PCM encoder
echo delay
ZL50212
ZL50212GB
AC27
AF17-AF18
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echo cancellation
Abstract: RP15 ZL50232 ZL50232GD ZL50232QC
Text: ZL50232 32 Channel Voice Echo Canceller Data Sheet Features • • • • • • • • • • • • • • DS5030 Independent multiple channels of echo cancellation; from 32 channels of 64ms to 16 channels of 128ms with the ability to mix channels
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ZL50232
DS5030
128ms
2100Hz
MS-026
MO-192
ZL50232
echo cancellation
RP15
ZL50232GD
ZL50232QC
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