Tag:audio

Bel Digital Audio has added a loudness monitoring option to the latest standards on all eight variants of its 1U and 2U 16-channel HD monitor/de-embedder. Each of the monitors now has the ability to choose between monitoring loudness by momentary, 3s, 10s, integrated and dynamic ranges.  As a consequence, all units comply with both ITU-R BS.1770-2 and ITU-R BS.1771-1.

Bel-BM-AV2-E16SHD

Loudness metering can be displayed in four ways, chosen from the easily navigated menu, with each showing different combinations of loudness measures. This enables the user to choose which measurements they prefer to show more prominently. The units are configured quickly via a rotary control that scrolls through menu options and settings. The menu system need only be accessed once during set-up, and from that point forward all the required options will be displayed. Loudness metering is accessed through the same intuitive system and each of the four monitoring options can be displayed permanently or called up as required.

Visible monitoring of each channel of audio is by high-resolution bargraph meters, with adjustable colour transition points featuring a peak-hold facility. Four user assignable scales and ballistics are also available. Audible monitoring is via magnetically shielded speakers.

All units feature medical grade internal power supplies for reliability, whilst also removing the need for any external power adapters. There is also the facility for SDI re-clocking and loop-through on each device.

More: www.beldigital.com

 

Tascam DR-60D MkIITascam has announced the DR-60D MkII four-track recorder for video production.

Designed to be mounted to a camera, the updated recorder is equipped with new microphone preamps with up to 64dB of gain, and its two XLR mic inputs and two stereo inputs can be recorded individually. A Dual Recording mode captures an additional safety track.

The HDDA mic preamplifiers (High Definition Discrete Architecture) employ discrete circuitry and premium parts, and achieve a high EIN (-120dBu) using Cirrus Logic AD converters. It can record up to  four tracks simultaneously, allowing multiple microphones to be used while filming. Inputs 1/L & 2/R can be selected for mono or stereo link operation.

Three sets of stereo outputs are provided. A Camera Out sends a reference track recording to the camera. The Line Out can feed a mixer or recorder. A Headphone Out is available for direct monitoring. Each of these outputs has its own level control, and the Camera Out can be attenuated to microphone level without the need for an attenuating cable.

The DR-60D MkII has an internal digital mixer fowith pan and level control. It is also equipped with a limiter or high-pass filter (40/80/120Hz), and set individual channel delay.

A variety of recording modes are supported:

· Mono/Dual Mono mode for single source microphones.
· Stereo/Dual Stereo mode for shooting with a stereo or mid-side (MS) microphone.
· Internal MS decoding can be added during monitoring or before recording.
· 4CH mode records all four microphone inputs to their own tracks.
· Dual Mono/Dual Stereo mode records a safety track from -6dB to -12dB below the initial take.
· Remote Jack accepts either the RC-3F footswitch-type remote control or RC-10 wired remote control.

The Channel 3/4 input connector supports a high-level maximum input – up to +10dBV. Many microphones designed for use with video cameras have a high-level output and a 3.5mm output connector. Plug-in power is also available for microphones.

The keys of the unit are designed for quiet operation to eliminate handling noise and the Slate feature is designed to mark tracks while in production.

More: http://tascam.com 

 
Grammy Audio Network Schematic

Return to Sound for the 2012 Grammys feature...
 
Algorithms to Measure Audio Programme Loudness and True-Peak Audio Level

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Building commercial and technical support for its growing base and realisation of our expansion plans, Netherlands-based loudspeaker manufacturing specialist Alcons Audio is invinting applications for the following positions:

Audio DSP developer
Firmware developer
Linux developer
Sales Support Engineer, Germany

More information and application details are available from Alcons Audio.

More: info@alconsaudio.de

 

Clear-Com has released the Linq series of comms interfaces, enabling connection of two-wire partyline with call signalling and four-wire audio over LAN, WAN or Internet IP infrastructures.

Clear-Com LinqBased on Clear-Com’s IV-Core technology, Linq is available in two-wire (Linq-2W2) or four-wire (Linq-4W2) options. The Linq-2W2 is both Clear-Com and RTS TW compatible. The Linq-4W2 can interconnect with devices, such as analogue ports of any matrix intercom system, analog telephone circuits, two-way radio gateways and audio consoles. A maximum of six Linq IP interfaces can be linked together in any 2-wire or 4-wire combination.

Linq uses the Opus high-quality audio codec, allowing bitrate, bandwidth and delay to be changed quickly without introducing distortion or discontinuity in the audio. As a low audio latency communication link, Linq can be used for natural intercom conversation, networked music performances and for audio signals that are transported via different facilities (transmission sync).

The creation of virtual partylines within a linked group is an exclusive feature. Channels from any of the six devices in the network can be linked to create common virtual partylines. At least two channels must be associated to each other. Linq uses a touch-friendly web-based user interface to configure, control and monitor any device within a linked group.

‘Linq is a simple yet significant development that enables users to expand their remote communications quickly and easily,’ says Clear-Com Product Manager, Stephen Sandford.

More: www.clearcom.com

 
Calrec Networking Primer

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Nugen Audio Visualizer Nugen Audio has released a ‘significant’ update to its Visualizer audio analysis suite, adding support for Avid’s AAX 64-bit format for both PC and Mac, as well as the VST3 standard for digital audio plug-ins.

Visualizer provides audio analysis for recording, mixing and mastering through a reference tools. With the latest upgrade, Visualizer is among the first to gain compatibility with Avid Pro Tools 11.

For recording, Visualizer offers tools for calibration, setting levels, signal path checking, noise minimisation, and many other audio tasks. At the mixing desk, engineers can use Visualizer for tasks such as low-end control, masking, hidden frequencies, and stereo placement, among many others. For mastering, Visualizer supports a wide range of views such as stereo spread, phase relationships, and EQ distribution.

‘When we launched Visualizer in 2005, it quickly gained the attention of producers and helped Nugen Audio build its brand in the audio production industry,’ says Creative Director, Jon Schorah. ‘The new update is the latest example of how we’re continually adapting our products to meet our customers’ evolving requirements; for instance, 64-bit AAX compatibility provides future-proofing for our many customers who rely on Avid’s editing software.’

More: www.nugenaudio.com

 

Tascam has aimed its DR-60D at on-set filmmakers and videographers using DSLR cameras.

The DR-60D is a four-track solid-state recorder that is designed fit under any camera or into any rig, and record up to 96kHz, 24-bit audio in WAV/BWF formats to SD/SDHC media. The unit will handle simultaneouns four-track recording, includes M-S decoding, and has a slate for marking tracks, It also offers RC-10 Remote compatibility. The body structure, soft-touch keys and dials help to eliminate handling noise.

Tascam DR-60DKey features:
· Tascam HDDA microphone preamps
· Independent recording level adjustment
· Two XLR/TRS inputs
· +4dBu line level input
· Phantom power (24V/48V)
· High-output mic input  on Input 3-4
· Camera out connector for DR-60D mixer
· Camera in connector for sound monitoring
· Independent line out and headphone output
· 50mW/ch headphone output
· Hold switch to prevent accidental operation
· Quick button for easy access to various functions
· 128x64 pixel LCD with backlight
· USB 2.0 audio transfer (Mini USB cable included)
· Internal mixer: pan and level controls
· Low-cut filter(40/80/120Hz)
· Limiter (1/L and 2/R can be selected for link-operation)
· Delay compensation for mic position (±150ms)
· Slate tone generator (auto/manual)
· Selectable duration of slate tone from four positions (0.5s/1s/2s/3s)
· Selectable slate tone generator (off/head/head+tail)
· File name format can be set to use a user-defined word or date
· Dual recording function allows two files to be recorded simultaneously at different levels
· Auto-record can automatically start and stop recording at set level
· Pre-recording (2s sound buffer before recording)
· Self timer for solo recording
· New file starts recording automatically without interruption when maximum file size is reached
· Track incrementing
· Jump back and play function
· Equalisers function for playback and level alignment
· Resume function to memorise the playback position before the unit is turned off
· Mark function up to 99 points per audio track
· Divide function
· Tripod mounting threads (bottom) and DSLR screw attachment (top)
· Dedicated jack for wired RC-10 remote control or RC-3F footswitch (sold separately)
· Operates on 4 AA batteries, an AC adapter (sold separately) or USB bus power
· Can extend battery life with BP-6AA battery pack (sold separately)

The DR-60D is expected to have a street price of US$399.

More: www.tascam.com

 

The RTW Masterclass PlugIns range offers the company’s metering tools as plug-ins for Windows and Mac OS-X platforms. The RTW Loudness Tools will be the first plug-in in the new range.

Loudness Tools Masterclass PlugInThe Loudness Tools Masterclass PlugIn visually represents audio with relevant level and loudness values as specified by international standards. It conforms to the EBU R128 loudness standard, as well as SPL, ITU-R BS.1770-3/1771-1, ATSC A/85, ARIB and custom (to set OP-59, AGCOM) – aiming it at audio and video engineers, radio producers and musicians. It is also intended for quality control.

The plug-in supports all standard sampling rates up to 96kHz, and operates in mono, stereo and surround (eight channels maximum). It includes RTW’s Peak Program Meter, TruePeak and Spot Correlator instruments, and also offers all common loudness formats plus MagicLRA and an SPL view.

The user interface is based on the RTW TouchMonitor TM7 and TM9 units, and offers the same functionality and clarity as the hardware models. The instruments provide graphical/numerical, as well as bargraph views, and can be freely rearranged and scaled. Various function parameters, such as integration time, operational range and tolerance, along with a number of viewing options for metering data and scales, offer extra flexibility. The plug-in window dimensions can be set to the native resolution of RTW TouchMonitor display screens, including 480x272, 800x480, 1024x800 (landscape) or 272x480, 480x800, 800x1024 (portrait). Users can store set-ups and layouts as presets in a DAW.

The software requires Windows 7/8 (32-bit or 64-bit) or Mac OS-X 10.6 or higher. RTW will first make them available in the VST 2.4 format for Windows systems and the RTAS format for Mac OS-X. VST, RTAS and native AAX64 support on the two platforms will follow. PACE anti-piracy and iLok USB copy-protection dongle are used for handling license management and plug-in activation. On an authorised computer, users can use unlimited RTW Loudness Tools instances.

More: www.rtw.de

 
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