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| [[Understanding LINUX Audio]] Helps understand the acronyms mentioned in this Wiki | | [[Understanding LINUX Audio]] Helps understand the acronyms mentioned in this Wiki |
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− | ===Which RaspberryPi does Zynthian support?=== | + | ===Which compute boards does Zynthian support?=== |
| The currently supported computing boards are: | | The currently supported computing boards are: |
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| RBPi2 is not longer supported by official zynthian SD images. | | RBPi2 is not longer supported by official zynthian SD images. |
− | RBPi3 is supported but may be not powerfull enough if you plan to use many sound engines in the same time. | + | RBPi3 is supported but may be not powerfull enough if you plan to use many sound engines at the same time. |
| RBPi4 is the best choice. | | RBPi4 is the best choice. |
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| === I want to run Zynthian OS on another Single Board Computer === | | === I want to run Zynthian OS on another Single Board Computer === |
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− | It's doable for advanced users !
| + | Not an easy task, but it's doable for advanced users. |
| If you want to use a different computing board model, you have to build your own SD image using the setup scripts. You can start from [https://github.com/zynthian/zynthian-sys/blob/master/scripts/setup_system_rbpi_raspbian_lite_buster.sh here] on top of minimal Debian Buster install. This script and the [https://github.com/zynthian/zynthian-sys/blob/master/scripts/zynthian_envars.sh environment variables] should be adapted to match your board. | | If you want to use a different computing board model, you have to build your own SD image using the setup scripts. You can start from [https://github.com/zynthian/zynthian-sys/blob/master/scripts/setup_system_rbpi_raspbian_lite_buster.sh here] on top of minimal Debian Buster install. This script and the [https://github.com/zynthian/zynthian-sys/blob/master/scripts/zynthian_envars.sh environment variables] should be adapted to match your board. |
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| You need to be able to login into the Wiki. Registering in the wiki is currently disabled for security reasons, but you can ask on the forum to get access. | | You need to be able to login into the Wiki. Registering in the wiki is currently disabled for security reasons, but you can ask on the forum to get access. |
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− | === I have a license for Pianoteq 6, what would be the process to enter the license key ? === | + | === I have a license for Pianoteq, what would be the process to enter the license key ? === |
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| You have to access the webconf tool and follow ''carefully'' the instructions from the "Software->Pianoteq" section. | | You have to access the webconf tool and follow ''carefully'' the instructions from the "Software->Pianoteq" section. |
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− | For accessing the Pianoteq GUI, please read this: [[Accessing_Zynthian_from_your_computer#Opening_Synth_Engine_Native_GUIs_in_your_Computer|Opening Native GUIs from your Computer]]
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| === I see a red lightning on the display, I hear cracks when playing === | | === I see a red lightning on the display, I hear cracks when playing === |
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| You are suffering from underpower. You need a reliable Power Supply Unit and a strong USB cable. The official RaspberryPi PSU bundle is the one that works perfectly. And it's available in the [https://shop.zynthian.org/shop/product/raspberry-pi-15-3w-usb-c-power-supply-389 Zynthian shop]. | | You are suffering from underpower. You need a reliable Power Supply Unit and a strong USB cable. The official RaspberryPi PSU bundle is the one that works perfectly. And it's available in the [https://shop.zynthian.org/shop/product/raspberry-pi-15-3w-usb-c-power-supply-389 Zynthian shop]. |
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− | === Loading engines or soundfonts is really slow === | + | === Loading engines or soundfonts is slow === |
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| Be sure that you're using a high quality SD card. | | Be sure that you're using a high quality SD card. |
− | Also, don't expect too much if you're running ZynthianOs on a RBPi3. | + | Also, if you're running ZynthianOs on a RBPi3, consider upgrading to RBPi4. |
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− | === Despite I have a good PSU, a good SD card and a RBPi4, my Zynthian hang === | + | === Despite I have a good PSU, a good SD card and a RBPi4, my Zynthian hangs === |
− | Maybe you have let the VNC server running while playing. Forwarding the sound engines native gui over the network is ressource consuming. You should consider disabling the VNC server. | + | Maybe you have let the VNC server running while playing. Forwarding the sound engines native gui over the network is resource consuming. You should consider disabling the VNC server. |
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| === Does the pre-built kit come with a Raspberry Pi ? === | | === Does the pre-built kit come with a Raspberry Pi ? === |
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− | [https://shop.zynthian.org/shop/product/zynthian-kit-v4-2-358?category=13 In the shop], you can choose to buy the kit without or with a Raspberry Pi 4. | + | [https://shop.zynthian.org/shop/product/zynthian-kit-v4-2-358?category=13 In the shop], you can choose to buy the kit with or without a Raspberry Pi 4. |
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| === I’m primarily a guitarist and thus, I’m interested in the MOD UI... === | | === I’m primarily a guitarist and thus, I’m interested in the MOD UI... === |
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− | Currently, all official Zynthian Bundle-All Kits include "audio input". The new official sound card is the [https://www.hifiberry.com/docs/data-sheets/datasheet-dac-adc HifiBerry DAC+ ADC]. | + | Currently, all official Zynthian Bundle-All Kits include "audio input". The new official sound card is the [https://blog.zynthian.org/2021/05/zynadac-v1-0-an-open-hardware-soundcard-for-zynthian/ ZynADAC]. |
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| Zynthia UI allows to create up to 16 processing audio-FX-chains and you can also use the fantastic MOD-UI. | | Zynthia UI allows to create up to 16 processing audio-FX-chains and you can also use the fantastic MOD-UI. |
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| === About Zynthian Security=== | | === About Zynthian Security=== |
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− | FYI, everything in Zynthian is executed as root user. The Pi user in the new PiOS images have sudo rights, so i don’t see a big security difference between the Gorgona and the PiOS images. PiOS is about automation and evolution, but currently it doesn’t improve security AFAIK. | + | FYI, everything in Zynthian is executed as root user. |
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− | Anybody who wants to connect their Zynthians to a “not secure” network (any network not controlled by oneself should be considered “not secure”) ) '''SHOULD CHANGE the default zynthian password'''. You can do that from the webconf tool. | + | Anybody who wants to connect their Zynthians to a “not secure” network (any network not controlled by oneself should be considered “not secure”) '''SHOULD CHANGE the default zynthian password'''. You can do that from the webconf tool. |
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| You also have to understand that: | | You also have to understand that: |
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| IMHO, these 2 are the main security holes in Zynthian. For solving it, we have to: | | IMHO, these 2 are the main security holes in Zynthian. For solving it, we have to: |
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− | # Use HTTPS for webconf tool. | + | # Use HTTPS for webconf tool. This is already implemented with a self-signed certificate. |
| # Secure the MOD-UI server: | | # Secure the MOD-UI server: |
| ## Fast and Easy Way: Set a flag for “secure” networks, so MOD-UI will be “open” in that networks only | | ## Fast and Easy Way: Set a flag for “secure” networks, so MOD-UI will be “open” in that networks only |
| ## Not so Easy Way: Use HTTPS and ask for the password. We should modify MOD-UI source code | | ## Not so Easy Way: Use HTTPS and ask for the password. We should modify MOD-UI source code |
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− | === I just wrote my 16/32/64 GB SD card with a Zynthian image, but from Zynthian's console i only see a part of the SD Cards total space. How can i make all the space on my SD Card availalbe? ===
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− | '''UPDATE:''' From 2016-12-23, the Gorgona SD image solved this problem. Latest SD images will auto-expand the partition on the first boot, so you shouldn't have this problem never more, but if you have it ...
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− | After writing the zynthian image into the SD card, you have to "expand" the partition to fill all the available space. Follow these steps:
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− | + login into your zynthian box using ssh
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− | + execute "df" command to see the size of your partition and the available space
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− | + run "raspi-config" and select the first option to expand your partition
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− | + reboot your zynthian box
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− | + login again and execute "df" command to see size of your partition and the available space. You should see the difference.
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− | '''Important:''' If you don't expand your partition, you will have problems when updating zynthian software or library, as you will run out of space.
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| === How good can the Latency be ? === | | === How good can the Latency be ? === |
| [https://discourse.zynthian.org/t/latency-on-the-new-hifiberry-stage-dac/5627/2?u=wyleu A forum post on Latency.] | | [https://discourse.zynthian.org/t/latency-on-the-new-hifiberry-stage-dac/5627/2?u=wyleu A forum post on Latency.] |