HA12135A reduction equivalent, dolby b-type noise reduction.
Functions
* Dual Dolby B-type NR processor
* NR ON/OFF control switch.
* Record (encode)/playback (decode) control switch.
Features
* Separate record/p.
The HA12134A, HA12135A, HA12136A are silicon monolithic bipolar IC series providing dual channel Dolby B-type noise reduction system* in one chip. The circuit is used primarily to reduce the level of background noise introduced during recording and p.
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