VSDSP Forum

Hello! Attached to this message is version 0.20 of RecPlayExample, the Voice Recorder / Voice/MP3 player for the VS1010 Developer Board. This version contains the following enhancements: Added 24 kHz recording option to the older 8 and 16 kHz options, and made it the default mode. Enhanced low frequ...

Hello! Attached to this message is the all-new VS1005 training material for VLSI Solution's training course of 9/2019. The contents for this year reads as follows: VS1005 VSOS Shell and New Apps/Drivers VS1005 Hi-Res Recorder Update VS1005 VSOS Overview Reprise VS1005 / VSOS Universal Binaries Updat...

Hello! Attached to this message is VS1005-based training material for the course held at VLSI in 9/2017. It's been a while, but this is re-released in the hopes that it might prove useful to somebody. The contents are as follows: VS1005 Hi-Res Recorder VSOS Overview VSOS Shell and Some New Commands ...

Hello! It was recently brought to my attention that we haven't released future-proof Universal Binaries (introduced with VSOS 3.50 in January 2018) of three touch display drivers. This message contains these drivers in the modern format as VSIDE Solutions. These will be part of the future VSOS Root ...

Hi! Back from the holidays with a new version 0.10 of RecPlayExample, the Voice Recorder / Voice/MP3 player for the VS1010 Developer Board. There are several new features and changes to this version: The Voice Recorder has now an option to record at 16 kHz instead of 8 kHz. 16 kHz is the new default...

Hello! I present you with the first pre-release of a new VS1010 program collection, the VS1010 RecPlayExample. The RecPlayExample shows an example of an Voice / MP3 player that can also record voice files in 8 kHz IMA ADPCM WAV format to SD cards. If connect to a PC through USB, the player shows up ...

Hello! I am working on an ESP32 + VS1053 based Ogg audio record that will send audio files to a web server. I'd like split continuos audio into sequential files (of about 1 minute time lenght). I am able to start VL1053 chip, start Ogg recording and save data to SD card. In forum (http://www.vsdsp-f...

Hello! To elaborate on what Panu said: if your card #2 is intended to read data through I2S input, then process the audio in any way that doesn't alter the sample rate, then output the end result through I2S, the process goes roughly as follows: 1) Make the connections as shown in the image below. T...

Hello! When developing code that has to work in real time, oftern the question arises: how much do I still have free CPU time? Am I close to the limits of the CPU, or do I still have a lot of juice left. A new driver for VSOS 3.57 or higher, CpuFree, solves that issue. It can report CPU usage at giv...

Hello! The APE decoder has been updated to v1.01. The new version contains a bug fix that fixes occasional noise bursts and lock-ups, as well as speed optimization, which makes the worst case .APE files decode with approximately 3 MIPS less clock cycles than before. Instructions for use are the same...