| 制造商 | 部件名 | 数据表 | 功能描述 |
 Holtek Semiconductor In... |
HT8955A
|
589Kb / 7P |
Voice Echo
5th May 98 |
|
HT8970
|
100Kb / 9P |
Voice Echo
March 14, 2000 |
 Mitel Networks Corporat... |
MT9123
|
191Kb / 32P |
CMOS Dual Voice Echo Canceller
|
 Zarlink Semiconductor I... |
ZL50234
|
620Kb / 41P |
8 Channel Voice Echo Canceller
|
|
ZL38065
|
657Kb / 48P |
32 Channel Voice Echo Canceller
|
|
ZL50233
|
547Kb / 38P |
4 Channel Voice Echo Cancellor
|
|
ZL50234
|
658Kb / 44P |
8 Channel Voice Echo Canceller
|
|
ZL50235
|
658Kb / 43P |
16 Channel Voice Echo Canceller
|
|
MT93L00A
|
639Kb / 39P |
Multi-Channel Voice Echo Canceller
|
 Holtek Semiconductor In... |
HT8970
|
116Kb / 11P |
Voice Echo
May 2, 2008 |