A method and apparatus for acquiring and analysing PCM data in a communications system.
A compact disc playable on an audio CD player has been provided with non-PCM encoded information.
The most common type of digital audio recording is called pulse code modulation (PCM).
This is known as pulse code modulation (PCM), the digital representation of analog vocal signals.
A method of transmitting a quiet, or zero, signal in a PCM communication system.
Digital audio signals are produced from analog signals using pulse-code modulation to reproduce the sound.
Audio sampling uses digital signals and pulse-code modulation for the reproduction of sound.
The inventive methods and systems for digital data transmission using a communication path which comprises analog communication lines and a pulse-code modulation channel (PCM).
Telephone calls are carried digitally on long-distance and mobile phone networks using pulse-code modulationand on voice over IP networks.
Telephone calls are carried digitally on long-distance and mobile phone networks using pulse-code modulation , and on voice over IP networks.
The amplitude of light delivered by each of the modulation elements is controlled independently by pulse code modulation.
In such files audio data are represented in the form of pulse code modulation.
The invention concerns an information transmission system with a first user network in which pulse code modulation is used, with transition points connecting the networks.
The speech transmission may employ either Delta Modulation or pulse Code modulation.
Pulse Code Modulations (PCM) signal streams are converted into Asynchronous Transfer Mode (ATM) cells for switching and transmissions across a telecommunications network.
For many years 16-bit linear PCM was considered the norm for high-quality audio applications.
At both ends of the connection there is a transmission equipment (TRACU1, 2) connected to a number of PCM transmission channels from the exchange.
A method of recording a digital data signal, such as an audio PCM signal, onto a recording medium in the longitudinal direction thereof, together with an apparatus which is suitable for this recording method.
A system and method for shifting the relative phases of a PCM data frame and a network RBS frame by one or more symbols is disclosed.
Using two PCM.CODEC's (54, 55) and one DSP which are cheap and small in size, A/D and D/A conversions are realized maintaining high accuracy.
It may then be digitized into a bit stream using pulse code modulation (or PCM) –or even more advanced source coding schemes.
A roving reference automatic gain control (AGC) arrangement is used in a regenerator of a pulse code modulation (PCM) transmission system.
A phase-locked loop for PCM transmission systems has a phase comparator (20) which provides continuous regulation of the loop oscillator (30).
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