audio News - Page 2 of 22 - CNX Software

February 6, 2024February 6, 2024 by Tomisin Olujinmi - 19 Comments

Tangara is a portable, open-source music player based on an ESP32 MCU (Crowdfunding)

Tangara is a portable music player that is out to make MP3 players cool again. With an iPod-inspired design and an ESP32 module at its core, Tangara presents an open-source and nostalgic way to listen to your favorite music and podcasts. The ESP32-WROVER-E at the core of the music player is the main microcontroller but it also features a co-processor, a Microchip SAMD21, which is responsible for USB communication and power management. We have covered the ESP32-WROVER-KIT, a development kit for the ESP32-WROVER and ESP-WROOM-32 line of modules with a JTAG interface and an LCD. The Tangara music player can output audio through a 3.5mm headphone jack or Bluetooth, although Bluetooth is currently limited to the default SBC codec. Tangara is the brainchild of Australian tech company Cool Tech Zone and is aimed at the portable media player community at large. This is reflected in many of the design choices […]

February 4, 2024February 3, 2024 by Tomisin Olujinmi - 5 Comments

The Boondock Echo is an internet-connected ham radio powered by the ESP32-A1S devkit (Crowdfunding)

The Boondock Echo is an open-source, internet-backed recording and playback device for two-way devices. It can denoise, transcribe, translate, and send emails on hearing keywords/call signs. It is a low-cost solution for timeshift radio communication that enables users to monitor frequencies and record audio from a connected radio. Captured messages are uploaded to a server and transcribed using OpenAI. On the cloud server, the audio messages also pass through some DSP (digital speech processing) algorithms for noise reduction and volume normalization to enhance their clarity and usability. The Boondock Echo is aimed at amateur radio operators and first responders in remote areas and during emergencies, situations where traditional two-way radios tend to be unclear and unreliable. Multiple devices can be linked together to form a ‘dockpack’ and monitor/record multiple frequencies at once. Boondock Echo specifications: Mainboard – ESP32-A1S (ESP32 Audio Kit) running at up to 240MHz Expansion Board – Boondock […]

January 24, 2024January 23, 2024 by Jean-Luc Aufranc (CNXSoft) - 3 Comments

FOSDEM 2024 schedule – Open-source embedded, mobile, IoT, robotics, RISC-V, etc..

FOSDEM – which stands for Free and Open Source Software Developers’ European Meeting – is a free-to-participate event where thousands of developers meet in Brussels on the first week-end of February to discuss open-source software & hardware projects. FOSDEM 2024 will take place on February 3-4 with 880 speakers, 818 events, and 66 tracks. Although I won’t attend, I’ve created a virtual schedule like every year with sessions most relevant to the topics covered on CNX Software from the “Embedded, Mobile and Automotive” and “Open Hardware and CAD/CAM” devrooms, but also other devrooms including “FOSS Mobile Devices”, “ Energy: Reimagining this Ecosystem through Open Source”, “RISC-V”, and others. FOSDEM Day 1 – Saturday, February 3, 2024 10:30 – 10:55 – Screen Sharing on Raspberry Pi 5 Using VNC in Weston and Wayland with the Yocto Project and OpenEmbedded by Leon Anavi In 2023, embedded Linux developers received eagerly awaited news: […]

January 11, 2024 by Jean-Luc Aufranc (CNXSoft) - 2 Comments

Spacetouch SPV60 AI audio processor features a 400 MHz Andes D25F RISC-V core

Spacetouch SPV60 is a RISC-V AI audio processor with an Andes D25F 32-bit RISC-V CPU IP core with P-extension (DSP/SIMD) that is also found in the Telink TLSR9 wireless audio microcontroller introduced in 2020. But the SPV60 is clocked at a higher 400 MHz frequency, adopts a CPU + NPU + uDSP heterogeneous multi-core architecture with a 100 GOPS AI accelerator and a micro DSP capable of handling 1024-point FFT and iFFT among other mathematical functions, and offers a range of peripherals interfaces such as USB 2.0, SPDIF, I2C, PDM for microphone arrays, and more. Spacetouch SPV60 specifications: CPU Andes D25F 32-bit RISC-V core with P extension (DSP/SIMD ISA) clocked at up to 400MHz 5-stage pipeline Hardware multiplication/division operations Single precision floating point accelerator 32KB I-Cache and 16KB D-Cache; 32KB L2 Cache Spacetouch-designed uDSP – Support for 1024-point FFT and IFFT, FIR, COS, SIN, SQRT, Arctan, LOG, and other functions […]

November 20, 2023 by Jean-Luc Aufranc (CNXSoft) - No Comments

SaraKIT – An Raspberry Pi CM4 board with ChatGPT-based voice control, motor control, and plenty of sensors (Crowdfunding)

SaraKIT is a carrier board for the Raspberry Pi CM4 system-on-module with BLDC motor controllers and a range of sensors for robotics, support for ChatGPT-based voice control through three microphones and a ZL38063 audio chip, and two MIPI CSI connectors for cameras. The versatile board can be used for voice-controlled products, robots, home automation systems, and interfacing with smart home or office devices. The company also developed various demos such as a Smartphone-controlled LEGO RC car, a self-balancing LEGO robot, a pan-and-tilt camera, various AI demos using MediaPipe such as face tracking and object detection, as well as audio demos using ChatGPT, Alexa, and/or Google Home. SaraKIT specifications: Support system-on-modules – Raspberry Pi Compute Module 4 (CM4) with future CM5 compatibility. MCU – Microchip dsPIC33 16-bit microcontroller with 32 KB SRAM for motor control and LSM6DS3TR sensor Audio Microchip ZL38063 (previously MicroSemi) audio processor for microphone arrays. 3x Knowles SPH0655 […]

November 19, 2023November 20, 2023 by Jean-Luc Aufranc (CNXSoft) - 16 Comments

International Black Friday and Cyber Monday 2023 deals and coupon codes

We’ve been writing about international Black Friday and Cyber Monday deals and coupon codes since 2014, as US-centric promotions such as Amazon’s Black Friday and Cyber Monday deals are not always available to the international audience of CNX Software. So once again, we’ve searched at Black Friday and Cyber Monday 2023 international promotions and discount codes from specific manufacturers as well as popular online stores such as Aliexpress, Banggood, and others. Aliexpress Black Friday and Cyber Monday event Aliexpress will have a Black Friday (and Cyber Monday) event in 2023, but we have limited details at this time since it will only start on November 23, contrary to some of the other deals we’ll feature below which are already up and running. But the event will have two periods: Nov 20-22 PT – Warm Up event where users can find and add items to the cart before purchasing during the […]

October 23, 2023October 23, 2023 by Jean-Luc Aufranc (CNXSoft) - No Comments

Review of Arylic H50 wireless stereo amplifier with TIDAL Music

We’ve recently completed the review of the Arylic BP50 Bluetooth preamplifier where we tested the audio quality while streaming audio from the TIDAL Music app. But RAKOIT also sent us the Arylic H50 wireless stereo amplifier for review, and we’ll report on our experience with that device today using the TIDAL Music app again. The H50 is an audio streaming player with a digital-to-analog (DAC) converter chip and a built-in power amplifier. It supports wireless networks such as WiFi and Bluetooth and plenty of wired connections namely analog RCA line In, analog RCA phono In, digital optical in, Subwoofer out, RJ45 LAN port, HDMI ARC, USB Type-A Host, and USB Type-C. To use the Arylic H50, simply connect the output signal cable to stereo speakers (passive speaker) with 50 watts of output power on each side, allowing you to stream music from various services through the 4STREAM app or Spotify, […]

September 29, 2023September 29, 2023 by Jean-Luc Aufranc (CNXSoft) - No Comments

Arduino GIGA R1 WiFi board gets touchscreen display shield

The Arduino GIGA Display Shield is a 3.97-inch RGB touchscreen display designed for the Arduino GIGA R1 WiFi board introduced a few months ago with an STM32H7 dual-core Cortex-M7/M4 microcontroller and a Murata 1DX module for WiFi 4 and Bluetooth 5.1 connectivity. Besides featuring an 800×480 touchscreen display, the new shield offers some other features such as an MP34DT06JTR digital microphone, a Bosch BMI270 six-axis IMU, a 20-pin Arducam camera connector, and an RGB LED. Arduino GIGA Display Shield (ASX00039) specifications: Display – 3.97-inch touchscreen display with 800×480 resolution (model: KD040WVFID026-01-C025A), 16.7 million colors, 5-point touch, connected over I2C Camera I/F – 20-pin ArduCam camera connectors Sensors Bosch SensorTech BMI270 6-axis IMU with 16-bit tri-axial gyroscope and a 16-bit tri-axial accelerometer STMicro MP34DT06JTR MEMS microphone Misc -1x RGB LED (I2C) Supply Voltage – 3.3V Dimensions – 106 x 80 mm The new shield can be mounted to the GIGA R1 […]