Intel 05-2352-005 manual Voice API for Host Media Processing Programming Guide, Transaction Record

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3.4.15Voice API for Host Media Processing Programming Guide

In section 8.7.4 Streaming to Board Hints and Tips, the default bulk queue buffer size is incorrectly described as 32 kbytes, rather than 16 kbytes. The second, fifth and sixth bullets in that section should read as follows:

The bulk queue buffer specifies the size of the buffer used to transfer voice data between the application and HMP. This buffer is set to 16 kbytes and cannot be modified; the dx_setchxfercnt( ) function, which is used to modify the bulk queue buffer size, is not currently supported.

Recommendation for the high water mark: it should be based on the following:

(size of the circular stream buffer) minus (two times the size of the bulk queue buffer)

For example, if the circular stream buffer is 500 kbytes, and the bulk queue buffer size is 16 kbytes, set the high water mark to 468 kbytes (500-32=468).

Recommendation for the low water mark: it should be two times the size of the bulk queue buffer size.

Based on the previous example, since the bulk queue buffer size is 16 kbytes, set the low water mark to 32 kbytes.

The following information is added to Section 1.6, Play and Record Features:

Transaction Record

The transaction record feature allows voice activity on two channels to be summed and stored in a single file, or in a combination of files, devices, and memory. This feature is useful in call center applications where it is necessary to archive a verbal transaction or record a live conversation.

The following information is added to Chapter 8, Recording and Playback:

Transaction Record

Transaction record enables the recording of a two-party conversation by allowing two time-division multiplexing (TDM) bus time slots from a single channel to be recorded. This feature is useful for call center applications where it is necessary to archive a verbal transaction or record a live conversation. A live conversation requires two time slots on the TDM bus, but Intel voice boards today can only record one time slot at a time. No loss of channel density is realized with this feature. Voice activity on two channels can be summed and stored in a single file, or in a combination of files, devices, and/or memory.

HMP Linux 1.2 Release Update, Rev 05 — September 2006September 2006

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Contents September Release UpdateHMP Linux 1.2 Release Update, Rev 05 September Intended Audience How to Use This PublicationPurpose Related Information Document Rev 05, published September Updated for Service UpdateDocument Rev 04, published December Document Rev 03, published JuneDocument Revision History Document Rev 02, published JanuaryDocument Rev 01, published October Release Developments Service Update Software InstallationAssumptions and Prerequisites Order of ProceduresFollowing messages are displayed Installing the Service UpdateEnvironment Variables HMP Verification DemoSupport for Suse Linux Enterprise Server Support for Red Hat Enterprise Linux UpdateSupport for 120 Low Bit Rate Channels Transaction RecordHMP Linux 1.2 Release Update, Rev 05 September Issue Type IssuesDefect Number PTR Number Product or ComponentDescription Issues Resolved in HMPFcdgen error while loading shared Dataformatmulaw General Known Issues in HMPRestrictions and Limitations Global Call, IP, and Ipml ConferencingFax Demos VoiceResolved Restrictions and Limitations Host-based H.323 Protocol StackEcho Cancellation With Conferencing Echo Cancellation With Continuous Speech ProcessingConfiguring UDP/RTP Port Range Compatibility NotesConfiguring T.38 Service Port Range Example Coder Negotiation with Third Party StacksSIP Call Control Elvtune Using Ioctls Using Multiple NICs Under Heavy LoadsSolutions Operating System NotesRelease Documentation Documentation3 UpdatesCorrect Incorrect, Release Documentation, the following apply , Development Software, the following applyOperating Software Documentation Installation DocumentationHost Media Processing Diagnostics Guide Development Software Documentation Revised OriginalGlobal Call IP for Host Media Processing Technology Guide Fax Software Reference for Linux and WindowsGlobal Call API for Host Media Processing Library Reference HMP Linux 1.2 Release Update, Rev 05 September 2006September Dxmreciottdata Voice API for Host Media Processing Library Reference„ Cautions „ Description„ Errors Following example is for Linux applications „ ExampleFollowing example is for Windows applications HMP Linux 1.2 Release Update, Rev 05 September 2006September „ See Also Transaction Record Voice API for Host Media Processing Programming GuideAudio Conferencing API for Host Media Processing Demo Guide Demonstration Software Documentation$INTELDIALOGICDIR/demos/IPMediaServer IP Media Server for Host Media Processing Demo GuideGlobal Call API Demo Guide

05-2352-005 specifications

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