Lyrebird PiDAC

Lyrebird DualMCU with RPi 3

Instead of STM32F7 Discovery - use Raspberry Pi 3 on DualMCU

all digital interfaces in and out for Raspberry Pi (AES3, SPDIF, TOSLINK)

PLL, precision audio clocks, also GPS - run RPi 3 as a I2S slave (external clocks)

RPi 3 with large touch screen, run Nokia Qt Filter App (Audio Processing Platform, APP)

Product code: DUALRPi3
Price estimate: USD tbd

Lyrebird DualMCU with RPi 3

DAC and Amplifier for small speakers

All powered from 2A wall adapter or USB power supply

I2S Input and Output on Raspberry Pi (newer RPi-DAC driver)

Product code: DUALRPi3
Price estimate: USD tbd

DualMCU Lyrebird Audio Processing Pipeline (APP) rev. 3

revision 3 of Lyrebird APP, STM32F7 Discovery plus IF-Board, Main Board with separate STM32F7

now as DualMCU - 2x STM32F7 as audio processors

main board with PLL, Power Supply and first (main audio) STM32F7

it can work standalone with DIGI-FP board, e.g. fed from an USB-I2S interface, or with STM32F7 Discovery, Raspberry Pi etc.

DualMCU User Manual (PDF)

DualMCU BSP and APP project (Doxygen)

Product code: LAPP3
Price estimate: USD tbd

DualMCU Lyrebird Audio Processing Pipeline (APP) rev. 3

front view of Lyrebird APP, STM32F7 Discovery as LCD/Touch UI or secondary audio processor

audio processing as DualMCU - STM32F7 MCU on main board for full speed audio processing

STM32F7 Discovery - as secondary audio processor, LCD, Touch, Rotary, Buzzer, Network, SD-Card, USB ...

Product code: LAPP3
Price estimate: USD tbd

DualMCU Lyrebird Audio Processing Pipeline (APP) rev. 3

rear view of Lyrebird APP, have all audio interfaces you need even for professional audio

There are all types of Word Clock input, even outputs, also GPS for an atomic audio clock reference.

RCA 2Vrms, AES11 WC in, DC in, GPS clock in, AES11 out, BNC WC in and out (top, IF-Board)

SPDIF, TOSLINK in, AES3 in, SPDIF, TOSLINK out, AES3 out (bottom, DIGI-FP)

Product code: LAPP3
Price estimate: USD tbd

Lyrebird Audio Processing Platform (APP) rev. 2

revision 2 of Lyrebird APP, STM32F7 Discovery plus IF-Board and Main Board

now with 10MHz GPS Word Clock input - use a GPS disciplined timing reference

all types of Word Clock in and out

smaller form factor, USB-powered

Please see the Multi-MCU Audio Processing Pipeline (PDF)

Product code: LAPP2
Price estimate: USD tbd

Lyrebird Audio Processing Platform (APP) rev. 2

extended features,e.g. PLL-Lock indicator, USB or wall adapter powered

high quality clock reference

modular concept for easier assembly

FW with Biquad based EQ, FFT audio spectrum display etc.

Product code: LAPP2
Price estimate: USD tbd

Lyrebird Audio Processing Platform (APP) with RPi

STM32F7 Discovery as audio processor

Add a Raspberry Pi 2 for network audio, streaming servers etc.

Have an onboard SRC and DAC, usable by both processors

Have all audio interfaces you would ever need available (also AES3)

Use STM as LCD and Touch also for Raspberry Pi (larger as RPi itself).

Product code: LAPP-RPi
Price estimate: USD tbd

DIGI-FP and STM32F7 Discovery

Use the mini-dsp DIGI-FP interface board for AES3, SPDIF, TOSLINK input and/or output

Adapter PCB (mezanin board) for Clock Generation, incl. external Word Clock input and connect STM32F7 Discovery

Have an USB powered AES3 audio processing solution, e.g. as AES3-Limiter or as Lyrebird Audio Processing Platform (APP)

Please see the Fact Sheet (PDF)

Please see the Audio Processing Platform - APP (PDF)

Please see the Schematics and PCB (PDF)

Please see the Multi-MCU Audio Processing Pipeline (PDF)

Product code: DIGI-STM
Price estimate: USD tbd

DIGI-FP and STM32F7 Discovery

Connect the STM32F7 Discovery board with 1:1 cables

Word Clock input as BNC and balanced XLR (AES11) - use it in a studio with Word Clock

Rotary Encoder for the user control

Use STM32F7 Discovery for LCD, Touch, Line In, MIC In, Monitor Headphone/Line out, USB Audio In ...

Please see the Fact Sheet (PDF)

Please see the Audio Processing Platform - APP (PDF)

Please see the Multi-MCU Audio Processing Pipeline (PDF)

Product code: DIGI-STM
Price estimate: USD tbd

Lyrebird BiAmp DualDAC module

BiAmp DAC module, with 2x PCM1794A, 2x TPA6120A2, larger FPGA (Spartan 6, LX25)

Split audio signal as low and high part (bass/mid + tweeter), with cross-over filter.

Or run as DualMono, as NOS-DAC.

Have flexible audio filters and processing, e.g. as Dual-Room-DAC with audio beam forming, controlled by Raspberry Pi.

Highest flexibility for audio processing, DAW applications on Raspberry Pi, highest SNR as Octal-BiAmp-DAC.

Product code: BiDAC-Dual
Price estimate: USD 390.00

Lyrebird BiAmp QuadDAC modules

Extend the BiAmp with two or even six DAC modules (they fit as SingleStereo, extend anytime).

Split audio signal as low and high part (bass/mid + tweeter), with cross-over filter.

Or split audio into four separate channels, as QuadAmp solution.

Or run it as DualMono Bi-Amping, Quad-DAC or even as Octal-DAC, via FPGA project also as four times NOS.

Have flexible audio filters and processing, e.g. as Dual-Room-DAC with audio beam forming, controlled by Raspberry Pi.

Highest flexibility for audio processing, DAW applications on Raspberry Pi, highest SNR as Octal-BiAmp-DAC.

Product code: BiDAC-Quad
Price estimate: USD 640.00

Lyrebird Pi2DAC DAC module

SingleStero DAC module, with PCM1794A, TPA6120A2, 4x OpAmp, 3x Low-Noise-LDO, optional AC/DC rectifier

The same module used twice as DualMono or as NOS DAC (different jumpers, NOS needs PiDAC FPGA).

As SingleStereo DAC it provides Headphone output or used as unbalanced Line Input on a power amp.

As DualMono the output is a fully balanced design and output, e.g. to use an XLR breakout cable to XLR connectors.

Product code: PiDAC-SST
Price estimate: USD 120.00

Lyrebird PiDAC PSU module

PSU module, with transformer and 3x SPS (Switching Power Supplies). No worries - onboard LDOs on DAC module as well.

It provides three power rails, each max. 2A: +7V and -7V for OpAmps, DAC and +5V/2A to power the Raspberry Pi 2 (separated from audio power).

Remark: the PSU module can be used also with Raspberry Pi 2, without a DAC module. It would power the Raspberry Pi, provide two additional power rails, e.g. for your extensions. All the RPi 2 GPIO pins are extended and accessable on the bottom side of the PSU board. So, you can wire all from the buttom, use the setup on a breadboard or as another module. No flying wires on the Raspberry Pi 2.

Product code: PiDAC-PSU
Price estimate: USD 140.00

Lyrebird PiDAC SingleStereo with PSU

SingleStero with PSU

Options: a PCB transformer (shown here), or use a Toroid transformer (with soldering the wires from transformer to board)

Product code: PiDAC-PSUSST
Price estimate: USD 260.00

Lyrebird PiDAC SingleStreo PSU setup

SingleStero DAC setup, with one PiDAC, PSU

Assembled without any soldering, no wires: just stack the modules and use PCB spacers to mount the modules.

Put your Raspberry Pi 2 on top of it (not included). The power for the Raspberry Pi 2 comes from via the GPIO header. You do not need anymore the USB wall adapter on Raspberry Pi and no modifications, no wires.

Product code: PiDAC-PSUSST
Price estimate: USD 260.00

Lyrebird PiDAC SingleStereo with RPi 2

SingleStero with one PiDAC, PSU and Raspberry Pi 2

The full setup for a complete Lyrebird PiDAC SingleStereo. Just add USB WiFi and/or USB memory dongle and you are ready to enjoy high quality sound.

Product code: PiDAC-PIPSUSST
Price estimate: USD 300.00

Lyrebird PiDAC SingleStereo with RPi 2

SingleStero with one PiDAC, PSU and Raspberry Pi 2

Fully assembled, with SD card image, e.g. Volumio. Run the Lyrebird PiDAC as Network Audio Player.

Our own player, actually a network based audio processing tool suite, is in progress.

Remark: the RPi 2 GPIO signals are extended and provided on the bottom side of PSU module. So, you can connect your peripherals or use this setup as another stackable module, hide flying wires.

Product code: PiDAC-PIPSUSST
Price estimate: USD 300.00

Lyrebird PiDAC SingleStereo with RPi 2

SingleStero with PSU and Raspberry Pi 2

All Raspberry Pi 2 connectors remain available, nothing blocked.

Product code: PiDAC-PIPSUSST
Price estimate: USD 300.00

Lyrebird PiDAC FPGA module

CmodS6 FPGA module for DualMono, NOS DAC.

The FPGA supports also a Rotary Encoder VU Control, LED VU Meter or as S/PDIF, TOSLINK input or output.

Use the FPGA with Raspberry Pi, but without DAC: create your own FPGA project for the Pi 2, e.g. as S/PDIF out from Pi.

Product code: PiFPGA
Price estimate: USD 160.00

Lyrebird PiDAC DualMono NOS

DualMono with PSU and CmodS6 FPGA

Hi-End setup, most felxible and feature reach solution.

Run it without Raspberry Pi, as S/PDIF, TOSLINK sound card (via FPGA project).

Or have also S/PDIF output from Raspberry Pi. Raspberr Pi can control FPGA via SPI.

Product code: PiDAC-PSUNOS
Price estimate: USD 540.00

Lyrebird PiDAC DualMono NOS setup

A complete, high-end setup, with PiDAC DualMono (two DAC modules), running in NOS mode, PSU, FPGA and Raspberry Pi 2.

The FPGA is used on NOS setup in order to do the I2S signal processing and conversion. NOS as Non-Over-Sampling lets run the DAC in External Filter Mode. It bypasses all internal PCM1794A filters and expects an external filtering and providing I2S as 4x or 8x upsampled audio stream.

As DualMono the FPGA is not needed, but optional: FPGA could be used for Volume Control, e.g. with Rotary Encoder, VU Meter or as digitial audio filter engine, e.g. for upsampling to higher bitrates, e.g. 48KHz converted to 96KHz.

Product code: PiDAC-PIPSUNOS
Price estimate: USD 580.00

Lyrebird PiDAC DualMono NOS setup

Rotary Encoder used as digital volume control: the I2S stream is adjusted before it is sent to DAC (similar to a SW Volume Control). The FPGA can be controlled also via SPI interface, from Raspberry Pi. So, you could have local (rotary) or remote (e.g. via Web access, from smartphone) volume control.

Product code: PiDAC-PIPSUNOS
Price estimate: USD 580.00

Lyrebird PiDAC FPGA VU Meter

Use the PiDAC FPGA for additional features, such as:

• VU Meter visual effect: single-wire LEDs as VU Meter, indicators etc.
• do audio processing, e.g. a Wide Stereo Effect, or Virtual Surround Sound
• Use FPGA with an IP Core for S/PDIF, TOSLINK Input and/or Output: with simple external driver circuit: let send the Raspberry Pi digital audio via S/PDIF to other sound card, or: use the Lyrebird PiDAC as Soundcard: without RPi 2, with FPGA based S/PDIF, TOSLINK input - it acts as a sound card for any other host system. e.g. with TOSLINK directly on an iMAC.

The FPGA is needed for a NOS, DualMono setup.

Product code: PiDAC-FPGAVU
Price estimate: USD 190.00

Lyrebird BiAmp DAC with STM32F7 Discovery

Use the STM32F7 Discovery board as USB Sound Card:

• External I2S DAC, here STM32F7 feeds the Lyrebird BiAmp DAC - much better quality
• also S/PDIF Input and Output possible
• Play files from SD Card, USB Memory Stick or bring-up the LWIP network stack

Just a bit tricky to bring-out the I2S signals for external DAC (but I have found a "trick")

Product code: F7DISCO-BIDAC
Price estimate: USD 450.00