Audio Category - Page 3 of 40 - CNX Software

October 8, 2025October 8, 2025 by Debashis Das - No Comments

Ampetronic Auri is a Bluetooth Auracast audio system for public spaces

Auri RX1 Receiver, TX2N 2 Channel Transmitter, and Docking Station

Ampetronic, in partnership with Listen Technologies, has introduced Auri, a Bluetooth Auracast-powered audio system/assistive listening solution designed for public spaces. It is designed to deliver clear, wireless audio to any Auracast-enabled device or dedicated Auri receiver without the need for pairing. The Auri system consists of the TX2N transmitter, RX1 receiver, and D4/D16 docking stations, managed through Auri Manager software. The TX2N features a 100 m coverage with balanced mic/line inputs, PoE, Audio over IP, and optional Dante support. The RX1 receiver features dual 3.5 mm jacks, an OLED display, and low-latency audio output for earbuds, headphones, or hearing aids. Docking stations become useful for charging, configuration, and network-based management for multiple receivers. These features make this system suitable for corporate, education, entertainment, government, healthcare, transport, and hospitality environments. Auri Auracast system specifications: Auri RX1 audio receiver Audio Output 2x 3.5mm TRRS jacks for wired headphones or inductive neck loops […]

September 10, 2025 by Jean-Luc Aufranc (CNXSoft) - 2 Comments

Arm introduces Lumex platform with SME2-enabled C1 CPU for Edge AI, Mali-G1 GPU

Arm Lumex CSS (Compute SubSystem) platform for mobile devices combines high-performance Arm C1 CPUs with Scalable Matrix Extension version 2 (SME2) and Mali-G1 GPUs to enable real-time on-device AI use cases like assistants, voice translation, and personalization. Lumex is part of Arm’s new product naming architecture announced last May, and targets specifically mobile devices. Arm says SME2-enabled Arm CPUs can deliver up to 5x faster AI performance, 4.7x lower latency for speech-based workloads, and 2.8x faster audio generation. Lumex components: Next-generation SME2-enabled Armv9.3 CPU cluster: C1-Ultra for flagship peak performance with +25% single-thread performance vs Cortex-X925; suitable for large-model inference, computational photography, content creation, generative AI C1-Premium with C1-Ultra performance, but greater area efficiency (35% smaller area than C1-Ultra); suitable for sub-flagship mobile segments, voice assistants, multitasking C1-Pro for sustained efficiency; +16% sustained performance vs Cortex-A725; ideal for video playback, streaming inference C1-Nano for maximum efficiency, smaller area for wearables, […]

August 30, 2025 by Debashis Das - 7 Comments

ESP32-S3-AUDIO-Board smart speaker devkit features a dual mic array, LCD/camera connectors, RGB LEDs

ESP32 S3 AI Smart Speaker Development Board

Waveshare’s ESP32-S3-AUDIO-Board is an ESP32-S3-based low-cost smart speaker development kit with a dual microphone array, a speaker header, echo cancellation, surround RGB lighting, RTC, microSD card storage, and expansion interfaces for LCDs and DVP cameras. The board integrates an ES8311 audio DAC and an ES7210 4-channel audio ADC, along with a PCF85063 RTC for timekeeping. It also supports Wi-Fi 4 and Bluetooth 5 LE with both ceramic and IPEX antenna options, and takes power from a USB Type-C port or an optional 3.7V Li-ion battery with a charging circuit. The ESP32-S3 audio board offers GPIO/I²C/SPI expansion and seven programmable RGB LEDs. Waveshare ESP32-S3-AUDIO-Board specifications: SoC – Espressif ESP32-S3R8 CPU – Dual-core Tensilica LX7 microcontroller up to 240 MHz with vector instructions for AI acceleration Memory – 8MB PSRAM Wireless – WiFi 4 and Bluetooth 5.0 LE + Mesh connectivity Storage – 16MB SPI flash, MicroSD card socket Display – Onboard LCD […]

August 26, 2025August 25, 2025 by Debashis Das - No Comments

LILYGO T-Circle-S3 – An ESP32-S3 devkit with 0.75-inch circular touch display, microphone and speaker

The LILYGO T-Circle-S3 is a circular touch display development board built around the ESP32-S3 MCU and designed for smart gadgets, IoT devices, and wearable applications. The board integrates Wi-Fi 4, Bluetooth 5.0, a MEMS microphone, a 3W Class-D audio amplifier with speaker support, an RGB LED, six rear GPIO pins, a Qwiic interface, and USB-C for charging. The board is very similar to the Waveshare RP2350-LCD-1.28, with its round display design, but it does not support wireless connectivity and audio. It also resembles SB Components’ Dual Roundy (ESP32-S3), but compared to that, the T-Circle-S3 is smaller and features a touch display, a microphone, a speaker amplifier, and an RGB LED. LILYGO T-Circle-S3 specifications: Wireless SoC – ESP32-S3R8 CPU – Dual-core Tensilica LX7 @ up to 240 MHz with vector instruction Memory – 512KB SRAM, 8MB PSRAM Storage – 384KB ROM Wireless – 2.4 GHz WiFi 4 and Bluetooth LE Storage […]

August 15, 2025 by Jean-Luc Aufranc (CNXSoft) - No Comments

Aurawave AW100 modules aim to simplify Auracast and Bluetooth LE Audio product development

Aurawave AW100 Auracast Bluetooth LE Audio module

Cloud2GND and Ezurio (formerly Laird Connectivity) have announced the Aurawave AW100 series modules designed to simplify the development of Auracast and Bluetooth LE Audio products. Aurawave AW100PA modules are built on Ezurio’s BL5340PA and BL5340 modules powered by a Nordic nRF5340 wireless SoC, but the BL5340PA variant adds an nRF21540 RF front-end module to extend range and improve connection robustness. The module also integrates an AKM AK4558 audio codec chip with a good signal-to-noise ratio and low total harmonic distortion (THD). Aurawave AW100 specifications: Wireless module – Ezurio BL5340PA Series Module SoC – Nordic Semi nRF5340 Dual-core CPU Arm Cortex-M33 application processor @ 128MHz with 1 MB Flash & 512 KB RAM Arm Cortex-M33 network processor @ 64 MHz with 256 KB Flash & 64 KB RAM Wireless – Bluetooth 5.4 LE (Bluetooth LE 6.0 ready), Bluetooth mesh, NFC, Thread, Zigbee, 802.15.4, ANT, and 2.4 GHz proprietary (note: only BLE […]

August 12, 2025 by Debashis Das - 3 Comments

4.3-inch touch display board features single ESP32-P4 + ESP32-C6 module, supports camera and speakers

ESP32 4.3 inch Touch Display Development Board

GUITION JC4880P433 is a 4.3-inch capacitive touch display development board built around the GUITION JC-ESP32P4-M3 ESP32-P4 and ESP32-C6 module, which we have also seen used in the JC-ESP32P4-M3-DEV board. The board also includes a MIPI CSI connector for camera input, a MIPI DSI connector for display output, two USB Type-C ports, expansion I/Os, a lithium battery interface, a microphone, and a speaker connector. Security features include secure boot, flash encryption, hardware encryption, random number generation, access protection, and permission separation, making it suitable for secure and connected HMI projects. JC4880P433specifications: Core module – GUITION JC-ESP32P4-M3-C6 Main SoC – Espressif Systems ESP32-P4 CPU Dual-core 32-bit RISC-V HP (High-performance) CPU @ up to 400 MHz with AI instructions extension and single-precision FPU Single-RISC-V LP (Low-power) MCU core @ up to 40 MHz with 8KB of zero-wait TCM RAM Memory 768 KB HP L2MEM (for dual-core CPU), 32 KB LP SRAM, 8 KB TCM […]

July 29, 2025 by Jean-Luc Aufranc (CNXSoft) - 1 Comment

ReSpeaker XMOS XVF3800 4-mic array board features ESP32-S3 module, also works over USB

Seeed Studio’s “ReSpeaker XMOS XVF3800 with XIAO ESP32S3” board is a 4-mic array board with XMOS XVF3800 voice processor and ESP32-S3 wireless MCU for standalone operation, but it can also be used as a USB microphone array for computers and SBCs. The Respeaker mic array family was first introduced in 2016, and new models have been launched over the years, like the ReSpeaker Core v2 and ReSpeaker Lite Series, with audio improvements and different feature sets. The ReSpeaker XMOS XVF3800 with XIAO ESP32S3 is the latest variant, and Seeed Studio claims it offers a “clearer voice capture, even in noisy environments.” ReSpeaker XMOS XVF3800 with XIAO ESP32S3 specifications: Wireless module – XIAO ESP32S3 Wireless MCU – Espressif Systems ESP32-S3R8 CPU – Dual-core Tensilica LX7 microcontroller @ 240 MHz Memory – 512KB SRAM, 8MB PSRAM Wireless – Wi-Fi 4 & Bluetooth 5.0 dual-mode (classic + BLE) connectivity Storage – 8MB SPI […]

July 4, 2025 by Jean-Luc Aufranc (CNXSoft) - 1 Comment

Bela Gem audio and sensor add-on boards are designed for the PocketBeagle 2 (Crowdfunding)

Bela Gem Stereo and Bela Gem Multi are audio and sensor add-on boards designed for the PocketBeagle 2 SBC powered by a Texas Instruments Sitara AM6232/AM6254 dual-core or quad-core SoC. As its name implies, the Bela Gem Stereo board features two audio outputs and inputs, while the Bela Gem Multi board offers more flexibility with ten audio interfaces for more complex audio projects such as spatial audio systems. Both boards can be expanded through headers with sixteen GPIO and eight analog inputs, as well as a Qwicc I2C connector. Bela Gem Stereo Specifications: Compatibility – PocketBeagle 2 only Audio Inputs – 2 channels, up to 24-bit, 96 kHz (TLV320AIC3104) Outputs – 2 channels, up to 24-bit, 96 kHz (TLV320AIC3104), headphones, differential line out MIDI plug-and-play via either USB port below USB USB Type-C device port USB Type-A host port for Wifi, Bluetooth, or Ethernet peripherals Expansion 16x GPIO with 3.3V […]