The DSP32 Digital Signal Processor and its Application Development Tools

Boddie, J.; Gadenz, R.; Kershaw, R. N.; Hays, W.; Tow, J.

doi:10.1002/j.1538-7305.1986.tb00382.x

Cited by 3 publications

(1 citation statement)

References 3 publications

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“…Fixed point DSP implementations thus have the disadvantages of firstly requiring long conversion times and secondly yielding speech quality that is inferior to the original simulation. Mainly for these reasons a floating point digital signal processing device, the WE DSP32 [8], was chosen for the Skyphone codec implementation. This device is one of the most powerful and flexible floating point devices currently available.…”

Section: The Digital Signal Processormentioning

confidence: 99%

A speech codec for the Skyphone service

Boyd¹,

Southcott²

2007

BT Technol J

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British Telecom International is to introduce an aeronautical telephone service to be known as the Skyphone. This service will use 9.6 kbit/s speech codecs because of the limited satellite power available. The codec to be used will be chosen from a number of codecs developed in several different countries. This paper gives a brief description of the Skyphone and the factors which influence the speech codec design. It then describes the codec proposed by British Telecom Research Laboratories as a candidate for the service. Subjective test results show this codec to be better than the other candidates declared to date.

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Section: The Digital Signal Processormentioning

confidence: 99%

A speech codec for the Skyphone service

Boyd¹,

Southcott²

2007

BT Technol J

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Speech Processing: An Evolving Technology

Crochiere

Flanagan

1986

At&T Technical Journal

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As we enter the information age, speech processing is emerging as an important technology for making machines easier and more convenient for humans to use. It is both an old and a new technology—dating back to the invention of the telephone and forward, at least in aspirations, to the capabilities of HAL in 2001. Explosive advances in microelectronics now make it possible to implement economical real‐time hardware for sophisticated speech processing—processing that formerly could be demonstrated only in simulations on main‐frame computers. As a result, fundamentally new product concepts—as well as new features and functions in existing products—are becoming possible and are being explored in the marketplace. As the introductory piece to this issue, we draw a brief perspective on the evolving field of speech processing and assess the technology in the three constituent sectors: speech coding, synthesis, and recognition.

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Architecture, applications, and design of a video FIR filter IC

Fadavi-Ardekani

Moscovitz

Mondal

IEEE International Symposium on Circuits and Systems

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The DSP32 Digital Signal Processor and its Application Development Tools

Cited by 3 publications

References 3 publications

A speech codec for the Skyphone service

A speech codec for the Skyphone service

Speech Processing: An Evolving Technology

Architecture, applications, and design of a video FIR filter IC

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