Blog

Blog

The Role of DSP in Modern Audio

Behind every great listening experience lies an invisible layer of processing. Digital Signal Processing (DSP) has become the backbone of modern audio — shaping sound in ways hardware alone never could.

What DSP Actually Does


DSP isn’t about altering sound for effect. It’s about correction, balance, and consistency.

DSP helps:

  • compensate for physical limitations

  • maintain tonal balance at different volumes

  • adapt sound to changing environments

Hardware and Software, Together


Great audio comes from harmony between:

  • physical drivers

  • acoustic chambers

  • digital processing

DSP allows us to fine-tune performance beyond what materials alone can achieve.

Adaptive Processing in Real Time


Modern DSP systems continuously analyze:

  • input signal

  • listening volume

  • environmental noise

This allows sound to remain consistent whether you’re listening quietly at night or loudly on the move.

Transparency Over Tricks


Our philosophy is simple: DSP should serve the music, not announce itself.

You shouldn’t hear the processing — only the result:

  • clarity

  • balance

  • immersion

When DSP works properly, it disappears.

black and silver electronic device
black and silver electronic device
black and silver electronic device

Other Useful Articles

Other Useful Articles

The Pursuit of Pure Sound

Pure sound isn’t about volume or exaggeration — it’s about honesty. At AeroSound, our pursuit of pure sound is driven by the belief that audio should feel natural, balanced, and effortless, allowing listeners to connect deeply with music, film, and everyday moments.

selective focus silhouette photography of man playing red-lighted DJ terminal

The Pursuit of Pure Sound

Pure sound isn’t about volume or exaggeration — it’s about honesty. At AeroSound, our pursuit of pure sound is driven by the belief that audio should feel natural, balanced, and effortless, allowing listeners to connect deeply with music, film, and everyday moments.

selective focus silhouette photography of man playing red-lighted DJ terminal

Inside Modern Noise Cancellation

Noise cancellation has evolved far beyond simple on-and-off systems. Today, it’s a complex balance of microphones, algorithms, and acoustic design — all working together to reduce noise without disrupting the listening experience.

gray audio mixer

Inside Modern Noise Cancellation

Noise cancellation has evolved far beyond simple on-and-off systems. Today, it’s a complex balance of microphones, algorithms, and acoustic design — all working together to reduce noise without disrupting the listening experience.

gray audio mixer

Designing Headphones for Everyday Comfort

Comfort isn’t a luxury — it’s essential. Headphones are worn for hours, across days, in constantly changing conditions. True comfort requires more than soft materials; it demands thoughtful engineering.

A blue speaker sitting on top of a table

Designing Headphones for Everyday Comfort

Comfort isn’t a luxury — it’s essential. Headphones are worn for hours, across days, in constantly changing conditions. True comfort requires more than soft materials; it demands thoughtful engineering.

A blue speaker sitting on top of a table

Sound, Shaped by Space

Sound doesn’t exist in isolation—it lives in space. The way audio travels, reflects, and reaches your ears defines how natural or artificial it feels. At AeroSound, spatial perception isn’t an effect we add later; it’s a principle we design around from the very beginning.

This article explores how spatial listening works, why many products get it wrong, and how precise engineering can create a soundstage that feels wide, stable, and convincingly real.

shallow focus photography of audio mixer

Sound, Shaped by Space

Sound doesn’t exist in isolation—it lives in space. The way audio travels, reflects, and reaches your ears defines how natural or artificial it feels. At AeroSound, spatial perception isn’t an effect we add later; it’s a principle we design around from the very beginning.

This article explores how spatial listening works, why many products get it wrong, and how precise engineering can create a soundstage that feels wide, stable, and convincingly real.

shallow focus photography of audio mixer

If you’d like more insights, feel free to view all articles

If you’d like more insights, feel free to view all articles

EST. 2022 — Berlin, Germany

EST. 2022 — Berlin, Germany

No spam. Unsubscribe anytime.

Made in

Notes

Notes

1.Battery life and performance estimates for AERO25 headphones are based on internal AeroSound testing using a standardized audio playlist at 50% volume, AAC codec, ANC enabled, and default EQ. Testing conditions included fully charged batteries on pre-production units at room temperature (20–25°C). Actual battery life depends on usage behavior, connected devices, wireless performance, environmental temperature, and long-term battery health. Battery capacity naturally decreases over time with repeated charge cycles.

2.FastCharge results were measured using a 30W USB-C Power Delivery charger connected with a USB-C to USB-C cable. Charging speeds may vary with non-PD chargers, lower-wattage adapters, longer cables, or connections to computers or power banks. Charging is automatically reduced when battery temperature exceeds safety thresholds to protect long-term battery health.

3.Active Noise Cancellation (ANC) performance is based on results obtained from calibrated microphone arrays in controlled anechoic chambers. Real-world ANC performance varies based on environmental noise profiles, headphone fit, ear shape, wind conditions, firmware version, and Apple/Android device compatibility. Adaptive ANC requires sensors, microphones, and algorithmic processing that may differ slightly between production units.

4.Low-latency audio modes require compatible Bluetooth profiles and may not be supported across all devices or streaming platforms. Certain mobile games, Bluetooth stacks, and operating systems manage latency differently, which may influence responsiveness in gameplay and video content. Latency may increase when multiple Bluetooth devices are connected simultaneously.

5.Bluetooth range is based on unobstructed line-of-sight testing in open environments measuring up to the maximum theoretical capability of the AERO25 chipset. Real-world range decreases in indoor environments due to walls, interference, other wireless networks, and device antenna performance. Range may vary significantly between phone models, tablets, and laptops.

6.Water resistance ratings, if included, are achieved under laboratory conditions simulating sweat, light rain, and brief moisture exposure. Water resistance is not the same as waterproofing. Exposure to high-pressure water, swimming, or submersion can cause damage. Water resistance diminishes over time as materials age or after repeated exposure.

7.Materials, finishes, and color tones shown on the website are based on digital renders and photography of pre-production models. Slight variations may occur in final manufacturing batches due to dye lots, anodizing processes, coating thickness variations, or supplier changes. Display color variations on user screens may also impact perceived appearance.

8.360° product rotations, animations, and visualizations are rendered using computer-generated imagery for demonstration purposes. The lighting, shadows, reflections, and movement paths used in these renders may not represent real-world product behavior or physical properties. 3D assets are optimized for clarity and may not include internal mechanical detail.

9.Audio quality metrics, such as frequency response range, driver impedance, and sensitivity, are measured using industry-standard testing equipment under specific controlled conditions (IEC or AES protocols). Real-world user experience varies based on seal quality, ear anatomy, ambient noise, EQ adjustments, and source device audio processing.

10.Spatial audio compatibility, if referenced, requires supported devices and applications capable of rendering spatialized audio formats. Some apps may support spatial audio only for certain content types such as movies or specific streaming services.

11.Firmware updates and software enhancements may introduce improvements to ANC tuning, Bluetooth stability, battery optimization, or audio profiles. Update availability varies by region, device platform, and app version. Some features may require the AeroSound app (if applicable) or OS-level permissions.

12.Multi-device pairing and switching features depend on the capabilities of the connected devices and operating systems. Seamless switching performance may vary between apps, especially during video calls or gaming sessions due to device-level audio routing.

13.Environmental and sustainability claims reflect AeroSound’s design goals and component sourcing intentions. Actual environmental impact depends on supply chain availability, logistics practices, regional recycling systems, and manufacturing partners. Claims may be updated as sustainability initiatives evolve.

14.Shipping times and delivery estimates reflect typical carrier performance. Conditions such as customs processing, weather disruptions, carrier delays, or peak seasonal volume may extend delivery windows. International shipments may experience additional clearance or inspection steps.

15.Return and refund eligibility requires items to be in original or near-original condition with all accessories included. Wear-and-tear damage, missing components (such as cables or cases), or modifications may affect eligibility. AeroSound reserves the right to refuse returns that do not meet the published criteria.

16.Warranty coverage, if applicable, covers manufacturing defects only. This does not include damage caused by misuse, water exposure beyond rated limits, unauthorized repairs, altered components, or physical impact. Details vary by region and may depend on consumer protection laws.

17.Third-party services and integrations, such as payment processors (Stripe, PayPal), analytics platforms (Google Analytics), ecommerce systems (Shopify, Frameship), and marketing tools (Meta Pixel, TikTok Pixel), operate under their own terms, policies, and privacy practices. AeroSound does not control how these external services process data after it is transferred.

18.Product availability may vary by region due to logistical constraints, regional regulations, and distribution partnerships. Certain colors, bundles, or accessory options may not be available in all markets.

19.Promotional offers, discounts, or bundles may be subject to additional terms. Offers cannot be applied retroactively to previous purchases. AeroSound may modify, extend, or end promotional campaigns without notice.

20.User-submitted reviews, testimonials, or feedback may be moderated for clarity, relevance, or compliance with community guidelines. AeroSound does not guarantee that all reviews reflect typical user experience.

21.Images and lifestyle photography on the website may include props, additional accessories, or non-standard setups shown for illustrative purposes only. These accessories may not be included with the base product.

22.Technical specifications, including Bluetooth version, supported codecs, charging times, or processing capabilities, may change during ongoing product innovation or due to revisions in supplied components. AeroSound continually updates product iterations without compromising performance.

23.Compliance statements, such as FCC, CE, or RoHS declarations (fictional for this template), refer to product versions tested under applicable regulatory standards. Compliance markings on production units may vary depending on manufacturing region and regulatory updates.

24.AeroSound®, AERO25™, and any product names or design elements referenced on this website are fictional and used for demonstration purposes. The content presented here, including specifications, visuals, and promotional material, may not represent real commercial products.

25.Ear cushion materials and comfort performance were evaluated through extended wear testing using standardized headform measurements under controlled environmental conditions. Actual longevity varies depending on daily usage, exposure to skin oils, humidity levels, cosmetic products, and storage practices. Cushion softness and seal effectiveness may gradually change over time due to natural material compression. For optimal durability, avoid excessive heat, direct sunlight, abrasive cleaning agents, or prolonged storage in enclosed, high-humidity environments.

26.Microphone clarity and voice call performance were measured using calibrated audio instrumentation and controlled speech patterns across a range of acoustic profiles. Real-world call quality may vary depending on network stability, Bluetooth bandwidth distribution, app-level audio compression, and environmental conditions such as wind or crowd noise. Beamforming performance may differ between devices due to variations in OS-level audio routing and noise suppression algorithms.

27.Device compatibility and feature availability depend on supported Bluetooth profiles, OS versions, and hardware capabilities of paired devices. Features like multi-point pairing, codec support (AAC, aptX, LDAC, LC3), adaptive ANC tuning, or low-latency modes may not be available on older or unsupported devices. Compatibility may evolve over time as third-party manufacturers release firmware or system updates that modify audio performance or Bluetooth behavior.

28.Packaging sustainability claims and recycling guidelines are based on general industry standards and may vary depending on local recycling programs and regional waste management regulations. Certain packaging components, such as coated materials, adhesives, or internal protective structures, may not be recyclable in all areas. AeroSound encourages responsible disposal of electronic waste and battery components in accordance with regional e-waste directives. Compliance markings or recycling symbols apply only where officially certified.

Made in

Made in

Create a free website with Framer, the website builder loved by startups, designers and agencies.