pcm
RSS pcmATSC A/52 - Digital Audio Compression (AC-3)
White Paper The AC-3 digital compression algorithm specified in this document can encode from 1 to 5.1 channels of source audio from a PCM representation into a serial bit stream at data rates ranging from 32 kbps to 640 kbps. [02 Sep 2008]
Terrestrial Video Backhaul Over IP
White Paper Pacific Century Matrix (PCM) is a leading provider of television broadcast services covering Asia Pacific. In PCM's vision, its premium position as international gateway for broadcast programming from... [04 Aug 2008]
SMS reminders help NHS tackle forgetful patients
Case Study The Patient Care Messaging (PCM) software, which is made by healthcare application developer iPLATO, is being used by 24 NHS Primary Care Trusts to enable GP surgeries to send automatic and targeted appointment and... [07 Jan 2008]
Enterprise Data Recorder: Using Telemetry Front-End Equipment and Network Attached Storage Connected to Form a Real-Time Data Recording and Playback System
White Paper The use of traditional telemetry decommutation equipment can be easily expanded to create a real-time Pulse Code Modulation (PCM) telemetry data recorder. However, there are two areas that create unique demands where... [23 Aug 2007]
Protecting Transmissions When Using Power Control on 802.11 Ad Hoc Networks
White Paper Through extensive simulation, the performance of ALCA is investigated and compared to PCM (a solution that requires major hardware updates). This paper presents the ALCA (Asymmetric Link Collision Avoidance) protocol. [23 Aug 2007]
Conversion of MP3 to AAC in the Compressed Domain
White Paper However, the re-encoding based transcoding process may result in degradation of quality and take longer than encoding from a PCM signal. This paper proposes an efficient algorithm for conversion of an MP3 stream into... [23 May 2007]
Path 1 Network Technologies Case Study: Pacific Century Matrix
White Paper Pacific Century Matrix ("PCM") is a leading provider of television broadcast services covering Asia Pacific. Operating full transponder C-band platforms on premium Asian satellites such as AsiaSat 3S and AsiaSat 2,... [18 Apr 2005]
Bluetooth Audio Data Transfer Between Bluetooth Chipset (PMB6752&PMB6625) and TriCore Host TC1920
White Paper The application example was equipped with the Bluetooth chipset PMB6752 & PMB6625 (PCM interface) and the Tricore 32 bit microcontroller (SSC interface) from Infineon Technologies. It will also describe how to emulate a... [17 Jun 2004]
Dictating To The iPAQ Pocket PC
White Paper Words dictated into an iPAQ pocket PC are converted to digital .wav files in PCM format and sent wirelessly or as an e-mail attachment to a Compaq desktop computer running the Dragon NaturallySpeaking Medical Suite,... [25 Feb 2004]
DS-1 (T1)
White Paper This number is derived when you multiply the size of an 8 bit PCM coded word by the 8 kHz (8000 times per second) sampling rate. DS-1 (T1) refers to a dedicated leased line made up of 24 DS-0 channels with a bandwidth of... [25 Feb 2004]
Implementing Embedded DSP-based VoP Systems
White Paper The PCM interface handles data traffic to and from the constant bit-rate telephony system, where pulse code modulation (PCM) voice, fax, and modem data streams flow. The VoP block handles the conversion... [25 Feb 2004]
4-Track Recording Techniques: A Short List of Recording Gear and Terminology
White Paper You can mix 4 tracks down to the PCM/VCR and then re-record it back to the 4 track in stereo (channels 1 & 4 panned far left & right). Then you can add more stuff on channels 2 & 3 and repeat the process or just use the... [25 Feb 2004]
SONET Pocket Guide
White Paper With the advent of semiconductor circuits and the ever-increasing demand for telephone capacity, a new transmission method known as pulse code modulation (PCM) made its appearance in the 1960s. PCM... [25 Feb 2004]
UK ecommerce undermined by ignorance
News The survey was conducted by market research company PCM and covered the banking, entertainment, insurance, media, tourism and transport sectors. UK ecommerce is failing to take off due to a basic lack of understanding... [04 May 2000]
