Controls the input signal level in dual-band operation to compensate for variations and optimize the performance of downstream processing stages
IMPACT .CL
The world’s most advanced broadcast audio processor, our flagship product!
Wideband or dual-band AGC, 4-band equalizer, Tone FX, Stereo FX, 6-band De-Clipper, 6-band dynamics processor, Opti-Drive, 4-band equalizer, and an advanced final limiter featuring Over-Drive.
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Pricing
IMPACT.CL Same price for each application - Available: ASIO - Windows Driver & DLL versions - Soon: VST3
53
00 €
/month (excl. VAT)
Monthly
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Yearly total: 636,00€
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1 year engagement
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Yearly total: 480,00€
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2 years engagement
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Yearly total: 432,00€
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3 years engagement
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Yearly total: 384,00€
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Sound possibilities that make a difference
Sound librairies
At SOUND4, we believe a flagship product should offer multiple processing structures, providing an "à la carte" approach. This delivers diverse sound possibilities, transforming our product into a Swiss Army knife for any audio requirement. SOUND4 IMPACT .CL is the only processor in the world offering this unique flexibility!
Voice Smoother
It's well-known that voices can sometimes be compressed or over-clipped after passing through the final on-air processor. IMPACT .CL is equipped with multi-stage voice smoothing technology that optimizes vocal clarity, even when the processor is pushed to its limits.
Fidelity Control
Fidelity control is a sophisticated feature that allows for a spectrum of audio experiences, ranging from faithful reproduction of the original source to deeply coloured and richly textured sound. This versatile tool enables users to fine-tune their sound signature, adapting it to various needs while maintaining high audio quality.
Reducing streaming artifacts
SOUND4's advanced algorithms intelligently process high-frequency content, significantly reducing digital artifacts commonly associated with compressed audio streams. This results in a cleaner, more transparent sound, particularly beneficial for digital broadcasting and online streaming platforms where maintaining audio quality across varying bitrates is crucial.
Adjust band positions by fine-tuning their crossover points
IMPACT .CL features multiple band processing structures with adjustable crossover points. This key point empowers users to craft their own distinctive sound signature. In GUI, a beautiful logarithmic graph displays band distribution and provides access to crossover points.
Wide or 2-band AGC
The AGC (Automatic Gain Control) stage in a broadcast processor is crucial for correcting input level differences. In IMPACT .CL, we offer two processing structures: a wideband structure for natural sound control, and a two-band structure for more in-depth spectrum control.
6-band De-Clipper
Unique to the flagship IMPACT .CL, the de-clipper stage fulfills two crucial functions. First, it mitigates distortion from over-mastered input sources. Second, it enhances density and/or dynamics, serving as a powerful tool to boost the sound's punch and depth.
6-Band Process
At the heart of sound sculpting, the 6-band process is essentially a mega AGC equipped with a unique algorithm, making it one of the pillars of SOUND4 IMPACT .CL processing structure.
6-Band Limiter
Preparing the final limitation, controlling peaks and increasing loudness and density, the 6-band Limiter is a unique design that never smashes the sound or loses attacks. The HQ Sound processing engine is again a crucial part of this stage.
Final limiter
The final limiter in SOUND4 IMPACT .CL offers a range of unique features, whether you're aiming for a powerful sound that cuts through the radio dial or a subtle, refined audio experience. Its advanced capabilities make it highly adaptable to diverse audio needs and broadcasting scenarios. This versatility allows the limiter to excel in both bold, attention-grabbing applications and more nuanced, sophisticated sound processing.
R128
SOUND4 IMPACT .CL is meticulously designed to adhere to industry-standard loudness regulations while maintaining precise control over true peak levels. This advanced audio processing solution empowers users with the flexibility to adjust the loudness threshold according to their specific requirements, all while preserving the integrity and clarity of the original sound.
Listen IMPACT.CL Processing Engine...
This player allows you to listen to some audio examples processed by IMPACT .CL. You can hear the difference between "Unprocess" and "Processed" files. This gives you just an idea as it's impossible to demonstrate all the capabilities of IMPACT .CL with just a few examples!
That's why we recommend trying it yourself with our 30-day demo license, which lets you process your own favorite sources through the amazing IMPACT .CL.
No one else offers such an HTML-based graphical interface!
At SOUND4, we pay great attention to the user interface experience. Ergonomics is our aim, but we also provide functions that make users confident in their use of the product. You'll never feel lost, and our undo/redo function offers a solution to go back and forth if you're not satisfied with your changes.
Processing path Diagram
Powered by SOUND4's patented HQ Sound 192 kHz audio processing engine
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2-Band AGC
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Wide Band or 2-Band AGC
Controls the input signal level in dual-band or wideband operation to compensate for variations and optimize the performance of downstream processing stages
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Wide Band or 2-Band AGC
Controls the input signal level in dual-band or wideband operation to compensate for variations and optimize the performance of downstream processing stages
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Tone FX
Four-band parametric equalizer for initial tone correction before multiband processing. Bass FX reinforces the low end on sources lacking it, while Treble FX adds top-end sparkle as needed
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Tone FX
Four-band parametric equalizer for initial tone correction before multiband processing. Bass FX reinforces the low end on sources lacking it, while Treble FX adds top-end sparkle as needed
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Tone FX
Four-band parametric equalizer for initial tone correction before multiband processing. Bass FX reinforces the low end on sources lacking it, while Treble FX adds top-end sparkle as needed
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Stereo FX
Enhances the original stereo image without affecting mono sources. A final stereo image limiter can be applied to each band to control excesses; it also mitigates multipath reception problems when the signal degrades during FM reception
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Stereo FX
Enhances the original stereo image without affecting mono sources. A final stereo image limiter can be applied to each band to control excesses; it also mitigates multipath reception problems when the signal degrades during FM reception
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Stereo FX
Enhances the original stereo image without affecting mono sources. A final stereo image limiter can be applied to each band to control excesses; it also mitigates multipath reception problems when the signal degrades during FM reception
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6-Band De-Clipper
Reduces distortion from originally clipped sources. It also lets you shape dynamics for a punchier sound. A Down Expander mode cleans up noisy sources whenever necessary
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6-Band De-Clipper
Reduces distortion from originally clipped sources. It also lets you shape dynamics for a punchier sound. A Down Expander mode cleans up noisy sources whenever necessary
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6-Band Processing
At the heart of the six-band dynamic processing, it controls signal density while providing adjustable tonal coloration. The Fidelity function adjusts the processing intensity to preserve the character of the original source with varying degrees of accuracy. Sound Impact, meanwhile, reinforces transients whenever needed
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6-Band Processing
At the heart of the six-band dynamic processing, it controls signal density while providing adjustable tonal coloration. The Fidelity function adjusts the processing intensity to preserve the character of the original source with varying degrees of accuracy. Sound Impact, meanwhile, reinforces transients whenever needed
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6-Band Processing
At the heart of the six-band dynamic processing, it controls signal density while providing adjustable tonal coloration. The Fidelity function adjusts the processing intensity to preserve the character of the original source with varying degrees of accuracy. Sound Impact, meanwhile, reinforces transients whenever needed
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3-Band Limiter
As the first limiting stage, it operates across three bands to effectively prepare the signal before it reaches the final limiter
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6-Band Limiter
As the first limiting stage, this module processes the signal across six bands, effectively preparing it before it reaches the final limiter. It can also increase the signal’s density
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Opti-Drive
Opti-Drive dynamically controls the intensity applied to the final limiter stage. This improves level stability while delivering a punchier sound
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Opti-Drive
Opti-Drive dynamically controls the intensity applied to the final limiter stage. This improves level stability while delivering a punchier sound
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4-Band Parametric EQ
Four-band parametric equalizer for making any final adjustments if needed
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4-Band Parametric EQ
Four-band parametric equalizer for making any final adjustments if needed
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4-Band Parametric EQ
Four-band parametric equalizer for making any final adjustments if needed
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Final Limiter
The Final Limiter combines a pre-limiter dedicated to low frequencies, a powerful look-ahead limiter, and Brickwall Overdrive, an exclusive SOUND4 technology. This combination delivers a punchier sound that cannot be achieved with a look-ahead limiter alone
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Final Limiter
The Final Limiter combines a pre-limiter dedicated to low frequencies, a powerful look-ahead limiter, and Brickwall Overdrive, an exclusive SOUND4 technology. This combination delivers a punchier sound that cannot be achieved with a look-ahead limiter alone
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Final Limiter
The Final Limiter combines a pre-limiter dedicated to low frequencies, a powerful look-ahead limiter, and Brickwall Overdrive, an exclusive SOUND4 technology. This combination delivers a punchier sound that cannot be achieved with a look-ahead limiter alone
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R128
Placed at the end of the signal chain, the R128 loudness controller ensures compliance with the standard when required
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R128
Placed at the end of the signal chain, the R128 loudness controller ensures compliance with the standard when required
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R128
Placed at the end of the signal chain, the R128 loudness controller ensures compliance with the standard when required
Features that make the difference
A confortable HTML GUI with Undu/Redu
At SOUND4, we pay great attention to the user interface experience. Ergonomics is our aim, but we also provide functions that make users confident in their use of the product. You'll never feel lost, and our undo/redo function offers a solution to go back and forth if you're not satisfied with your changes.
A comprehensive array of installation options
SOUND4 IMPACT .CL is the only virtual broadcast sound processor available for such a wide variety of installation types. It supports ASIO mode, Virtual Audio Driver mode, AoIP, Docker, and even runs natively with the Dynamics libraries!
Specifications
Typical CPU use
The processing engine consumes 570 MHz. Typically and with a headroom for security, a user will be able to run 100 IMPACT .CL on a 16 cores processor running at 5 GHz. Of course, this depends on the processor's generation. Virtualized SOUND4 products are compatible with Intel & AMD, we always recommend the latest generations of processors for the best results in terms of capacities.
OS Compatible
Windows operating systems (Windows 10, Windows 11, Server 2019, Server 2022), SOUND4 IMPACT .CL supports Virtual Driver, ASIO, and native DLL engine for software integrations.
The AoIP version supporting SMPTE -ST2110-30, SMPTE-ST2022-7 (double attachement), AES67, Ravenna, Livewire, and Dante-AES runs exclusively on Linux Debian, compatible with both conventional PCs/servers and Raspberry Pi 5. The native DLL is also available for Linux systems.
Required System Specifications
For high density applications, we recommend CPU armed with AVX2 (or better AVX512F).
User interface
For making sound setup and controlling everything, IMPACT.CL is armed with a super ergonomic user-friendly HTML5 GUI.
Available for the following architectures
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