...featuring line interface and/or voice functions * Digital signal processor performing echo cancellation, codec functions and dial tone detec...dual differential inputs and outputs performing the following functions: - Line interface connection...
...ditional telephony to converged voice and data over Internet Protocol (IP) and its implications for the power conversion of such systems. A ...dual S024/28 120/208V AC 2 FAN5092 TSSOP28
Vout1: 1-5V, 30A
DC/AC
Rectifier
Vout2: 2.5V,...
Description
Power Conversion for the Data Communications Market 3A Adjustable Low Dropout Voltage Regulator (LDO)
voice/dual Tone Melody
INTRODUCTION
SN6A296 is a series of single chip voice/dual tone melody synthesizer IC with 16*33/8*40/4*40 direct drive capability which contains two 4-bit I/O ports and a tiny controller. By programming through t...
voice/dual Tone Melody
INTRODUCTION
SN6A297 is a single chip voice/dual tone melody synthesizer IC with 8*40 direct drive capability which contains two 4-bit I/O ports, one 4-bit output port and a tiny controller. By programming through...
...ble or multiplexed with the PCM voice data channel in a GCI compatible format requiring only 4 digital interface pins. When separate serial control interface is selected, PCM interface is compatible with Combo I and Combo II families of dev...
Description
PIAFE PROGRAMMABLE ISDN AUDIO FRONT END PROGRAMMABLE AUDIO FRONT END FOR DIGITAL PHONES AND ISDN TERMINALS
...
Features 1) No malfunction by voice signal 2) dual tone detection (350Hz and 440Hz) 3) Wide dynamic range 4) 3.58MHz crystal resonator
BU8877F
DIP8
Applications Telephone, Codeless telephone and Facsimile for the U.S.
SOP16
A...
...ver is continually monitoring a voice channel containing distorted or musical voices or tones, additional guard time may be added in order to prevent false decoding. This may be done in software by verifying that both ED and DV are present ...
... by extraneous signals (such as voice) while providing tolerance to small frequency variations. The averaging algorithm has been developed to ensure an optimum combination of immunity to "talk-off" and tolerance to the presence of interferi...
... by extraneous signals (such as voice) while tolerating small frequency variations. The algorithm ensures an optimum combination of immunity to talkoff and tolerance to interfering signals (third tones) and noise. When the detector recogniz...