More about Audio (595)

1-10-2011 | In the previous instalments of this series we have got to know the DSP as a specialist device for processing audio signals digitally. We hav...

1-10-2011 | Audio guides can be borrowed or rented in many museums: devices containing spoken information about the objects in the exhibition. In this a...

1-09-2011 | In this instalment we present the DSP board. It is the platform for the applications that will be described in later instalments of this ser...

1-09-2011 | You need a good quality external D/A converter and amplifier if you want to play audio files on your computer in high fidelity. The missing...

1-07-2011 | Most of the commercially-available auldi level adapters contain small transformers for galvanic isolation. These introduce phase shifts and...

1-07-2011 | In the early 1960s RCA brought out a transistor that was to become truly legendary: the 2N3055. With a pair of these devices, you could put...

1-07-2011 | A shortwave audion receiver using only two transistors and a single 1.5 V battery — that must be the ideal entry level into shortwave receiv...

1-06-2011 | The Freescale DSP6375 is best programmed using its own assembly language. Although this may sound outdated — an undesirable leftover from ea...

1-05-2011 | Since the advent of digital signal processing around 30 years ago, audio signal processing has increasingly shifted from analogue technology...

1-03-2011 | Looking for an audio project? This article explores the design of a DIY 50-m range directive sound beam using an array of piezo ultrasonic t...