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Chapter 7

ADI Service: Playing/Recording


7.1 Introduction
7.2 Characteristics
7.2.1 Voice Encoding Formats
7.2.2 Buffer Sizes
7.3 Data Transfer Methods
7.3.1 Single Memory Transaction
7.3.2 Asynchronous Transfer
7.3.3 Callback Transfer
7.4 DTMF Tones
7.4.1 DTMFabort Mask
7.5 Voice Play Functions
7.5.1 Voice Play Parameters
7.5.2 Initiating Play
7.5.3 Terminating Play
7.5.4 Playing Voice Data in Callback Mode
7.5.5 Playing Voice Data in Asynchronous Mode
7.5.6 Controlling Gain During Play
7.5.7 Controlling Speed During Play
7.6 Voice Record Functions
7.6.1 Voice Record Parameters
7.6.2 Initiating Record
7.6.3 Terminating Record
7.6.4 Data Transfer Using Callback Mode
7.6.5 Data Transfer Using Asynchronous Mode
7.6.6 Recording with Automatic Gain Control
7.7 System Restrictions
7.7.1 Delays in Data Processing


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