ANOTHER huge reference manual fallacy

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LosAngeles
Posts: 32
Joined: Wed Oct 19, 2022 6:29 am

ANOTHER huge reference manual fallacy

Post by LosAngeles » Sun Nov 13, 2022 6:10 pm

For several manual sections regarding Simpler and Sampler envelope loop modes, something along the lines of (here, from pg. 578, first line): “For Best and Sync modes, if a note is still held after the amount set in the Rate slider, the envelope will restart from its initial value” is written.

The is untrue in both instruments. To confirm, one can (I’m using Sampler here) load a sample and set the sustain loop, set suitable attack/decay times, but with an initial level of, say, 0dB, and a sustain value below that. You’ll notice the envelope’s attack phase is implemented from the previously sustaining level to reach the peak level upon each loop.

pottering
Posts: 1956
Joined: Sat Dec 06, 2014 4:41 am

Re: ANOTHER huge reference manual fallacy

Post by pottering » Sun Nov 13, 2022 8:17 pm

The manual is correct, I just tested multiple times with dozens of settings.

Sounds like you don't understand how most meters in audio measure an average, for example RMS is roughly 300 ms, so it won't show fluctuations shorter than 300 ms well.

Spectrum clearly shows Refresh takes 60 ms (in the default setting) and 1 Block average (as high as 16384 samples, pretty close to 300 ms again).

You should freeze and flatten to actually see the envelopes in the audio.

(Another way is an M4L or VST/AU oscilloscope.)
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LosAngeles
Posts: 32
Joined: Wed Oct 19, 2022 6:29 am

Re: ANOTHER huge reference manual fallacy

Post by LosAngeles » Sun Nov 13, 2022 10:58 pm

pottering wrote:
Sun Nov 13, 2022 8:17 pm
The manual is correct, I just tested multiple times with dozens of settings.

Sounds like you don't understand how most meters in audio measure an average, for example RMS is roughly 300 ms, so it won't show fluctuations shorter than 300 ms well.

Spectrum clearly shows Refresh takes 60 ms (in the default setting) and 1 Block average (as high as 16384 samples, pretty close to 300 ms again).

You should freeze and flatten to actually see the envelopes in the audio.

(Another way is an M4L or VST/AU oscilloscope.)
Hello! Thanks for your response. You are correct in that I was unfamiliar with the workings of the meters. I mostly understand your post, except your reference to “Refresh.” Would you be so kind as to clarify, please?

pottering
Posts: 1956
Joined: Sat Dec 06, 2014 4:41 am

Re: ANOTHER huge reference manual fallacy

Post by pottering » Mon Nov 14, 2022 2:33 am

Refresh is a setting in the Spectrum device.

https://www.ableton.com/en/manual/live- ... 1-spectrum

Spectrum is one of the ways to measure audio in Live, besides the meters in the Tracks.
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