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General Discussion / новые тренаж
« Last post by Pi_bogidanov1965 on February 15, 2018, 10:40:06 AM »
 
Учитывая всеобщий сидячий образ жизни, даже 15 минут физической активности принесут большую пользу. А если физкультурой заниматься на свежем воздухе, то пользы будет в два раза больше, как для физического, так и для душевного состояния. Чем дольше вы будете заниматься на уличных тренажерах, тем быстрее увидите положительные изменения в состоянии здоровья. 
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Feature Requests and Feedback / Re: Midi options
« Last post by mario on January 08, 2018, 11:08:51 AM »
Hi, thanks for reminding. I'll make a few pairs available in the shop when it opens again - possibly later next month. Cheers!
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Feature Requests and Feedback / Midi options
« Last post by Underglass on January 06, 2018, 02:34:43 AM »
Digging my Gecho but curious if there is a general timeline on midi cables being sent out. Thanks
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Feature Requests and Feedback / Re: Second melody line?
« Last post by mario on December 02, 2017, 01:52:44 PM »
Thanks for mentioning Groovesizers, they are a great open-source project, definitely something to learn from! :)

Wavetable is much less memory hungry than storing complete samples, the MCU they use is ATMEGA328P which only has 32kB of FLASH and 2kB of SRAM... (well, maybe doesn't sound like much but it's plenty for a typical application on 8-bit MCU of this kind). I've ported some 8-bit code to Gecho before, for example channels #33-34 are built upon some of this Tiny-TS code (and documenting it is on my TODO list). They're not too much playable, maybe good for creating "drones" - so thanks for your suggestion, perhaps it's time to use that code for the bass line.

With a 32-bit MCU that has accelerated flash-memory reads and dedicated FPU unit, you can squeeze pretty much 30-times more power from equivalent code (after replacing integer arithmetic with floating-point). In practice you'll be able to get for example 15 oscillators running in parallel for each stereo channel, resulting in deeper, richer and more complex sound. Tiny-TS has great and fat bass sound already and kudos to the creator for packing it all into available memory and CPU power... Now imagine what it can become with more resources... :)
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Feature Requests and Feedback / Re: Second melody line?
« Last post by alefoot on November 29, 2017, 08:04:28 AM »
FWIW, the idea was prompted by / "tested" using the lower end of the existing melody voice, so maybe stealing a couple of oscillators isn't far off :)
Not sure how similar [if at all] the engines are, but quoting from their site, "Groovesizers are... open-source... , the TB2 is a 4 voice paraphonic wavetable synth". Without more storage, isn't wavetable a bit limiting?
The eternal dilemma; Trading processor time against storage limitations - I'm pretty certain you will know what makes most sense :)
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Feature Requests and Feedback / Re: Second melody line?
« Last post by mario on November 29, 2017, 12:40:39 AM »
Bass line - great idea! 8) It is quite trivial to implement it into the internal music representation (and in the app), add settings to enable/disable it...

Harder problem is how to play it. Sampled sound? Two-three oscillators, to not steal too much CPU power? Might look at other open-sourced synths for inspiration - e.g. Dekrispator (4 OP FM, multisaw), Tiny-TS (PD), or wavetable like Patchblock's tek.waves (I'm not aware of any open-source synth of this kind). Or granular, that should work too.
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Firmware - Expanding and updating / Re: Firmware not updating from 0.223
« Last post by mario on November 28, 2017, 09:44:53 AM »
ok, all is fixed now 8)
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Firmware - Expanding and updating / Re: Firmware not updating from 0.223
« Last post by mario on November 28, 2017, 12:37:08 AM »
Thanks for the heads up! Might be caused by recently switching the website to a different type of server (to support https certificates for secure payments via Stripe)... The update scripts haven't been touched in a while so not sure where that "5" comes from, unless it is a wrongly decoded "number of chars" value preceding "0.223" (which is still most recent version). Glad to hear it didn't brick your Gecho - perhaps it just re-flashed it with a previously downloaded binary. Investigating, should be fixed soon. Cheers :)
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Feature Requests and Feedback / Second melody line?
« Last post by alefoot on November 27, 2017, 09:48:03 AM »
Is there any realistic possibility that the process for saving a melody line might be duplicated to allow a bass line?
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Firmware - Expanding and updating / Firmware not updating from 0.223
« Last post by alefoot on November 27, 2017, 08:58:37 AM »
Windows 10
Gecho App v0.61b
Clicking the 'check for updates' option then checking for available firmware returns a message to the effect that current firmware is 0.223 and that an update to v5.0 is available.
Update process appears to run [clearing memory and writing several sectors of data, handshake LED activity as previously seen]
After 'update' checking for available updates shows that Gecho still has firmware v0.223 installed.
Repeating process appears to give identical result.

Channel 112233 reports 223

Or so it appears here.
If I can give any further info please let me know, thanks!
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