DiamondWare Provides Ultra-Low Latency Full-Duplex Audio.MESA, Ariz.--(BUSINESS WIRE)--March 3, 1999--DiamondWare, Ltd. announces the completion of its Tele-STK (Telephony Sound ToolKit) software technology for computer telephony See CTI, VoIP and IP telephony. Computer Telephony - Computer Telephone Integration audio. It provides ultra-low latency (1) The time between initiating a request in the computer and receiving the answer. Data latency may refer to the time between a query and the results arriving at the screen or the time between initiating a transaction that modifies one or more databases and its completion. audio on any Windows 95 or 98 PC. Latency is the time delay between when a sound is recorded by the microphone, and when it's heard through the speakers. The higher the latency, the more disjointed the conversation. Until now, robust full-duplex Windows audio software could add nearly a second of latency on top of that caused by the vocoder (VOice CODER) Same as speech codec. (communications) vocoder - Hardware or software which implements a compression algorithm particular to voice. , communications stack See protocol stack. , internet, etc. Tele-STK provides latency as low as 75ms on good audio hardware, with unprecedented immunity to processor speed and current load. Erik Lorenzen, Tele-STK's lead engineer notes, "with latency this low, voice over the internet becomes quite usable. Even with the typical modem latency of 120ms, and internet latency of another 50 ms, our Tele-STK will allow about a 1/4 second throughput latency which is quite usable for realtime voice conversations." The alternative, long distance telephone, typically costs $0.10 a minute. Tele-STK supports DirectSound and DirectSound capture drivers, as well as MMSYSTEM. It's delivered in the form of a VxD and a DLL (1) See data link layer. (2) (Dynamic Link Library) An executable program module in Windows that performs one or more functions at runtime. DLLs are not launched by the user; they are called for by an executable program or by other DLLs. . The first licensee of Tele-STK is a manufacturer of remote access products. Tele-STK allows their product to provide a high-quality, low-latency and robust speakerphone speak·er·phone n. A telephone or telephone attachment that contains both a loudspeaker and a microphone, allowing several persons to participate in a call at the same time without the telephone receiver being held. Noun 1. via a standard PC. When a call comes into the office, it's automatically re-routed over the user's dialup data connection to "ring" the PC or laptop. Typically the party on the other end of the connection doesn't know that the user is away from the office. The software also has applications for software-only internet telephone products, realtime multi-person internet conferencing, Bluetooth (the emerging standard for wireless connectivity), etc. Tele-STK is the second tool in DiamondWare's custom high-performance audio driver suite. It follows the October release of VxD-STK, which enables a software-only product to provide functionality which was reserved only for hardware devices, e.g. 3D positioning. VxD-STK was used in a third-party software-only product which provides 3D positional audio via the DirectSound3D API (Application Programming Interface) A language and message format used by an application program to communicate with the operating system or some other control program such as a database management system (DBMS) or communications protocol. from Microsoft (Nasdaq:MSFT MSFT Microsoft (stock symbol) MSFT Movimento Sociale Fiamma Tricolore (Italy) MSFT Multi-Stage Fitness Test MSFT Master of Science in Family Therapy MSFT Macalester Students for Fair Trade ). About DiamondWare DiamondWare, Ltd. (www.dw.com) develops high-performance software for interactive audio applications, device drivers, simulations, and games. Its Sound ToolKit product, which incorporates its proprietary audio technology, has been used by many leading game developers, and will soon debut in several non-game applications including realtime internet voice chat. |
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