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Live audio feed into FieldScaper help please

[Deleted User][Deleted User]
in General App Discussion

Does anyone know the settings to get audio to feed in live to FieldScaper and be effected in real time?

Cheers

Comments

  • aplourdeaplourde

    You need to set "scaper start" mode to "loop".
    In loop mode the input signal is written directly to the Oscillator buffer for processing without creating a file.

    There are two ways to do this (purple dashed circles in image):
    A- on the main Scaper screen the "scaper start" mode button is under the waveform view on the right edge of the screen.
    B- switch the mode to Looper and then the record mode is automatically set to "loop".

    FieldScaper works by processing a buffer and the size of the buffer needs to be set even if you're not creating a saved file. Do this by tapping the time controls (yellow dashed rectangle).

    If you're on the Main Scaper screen, you then need to hit Record. This will start recording directly to the buffer of whatever Oscillator is currently selected. Being on this screen is useful to see the waveform that's being written into the buffer and how the current processing traverses that buffer.

    How the record head starts recording and how it stops is dependent on the "record start" and "record stop" settings.
    (green dashed rectangle)
    From the manual:
    Record Start:
    "manual" - Recorder starts by the "Record" button.
    "signal" - Recorder starts one time when input signal exceed specified threshold. Button "Record" activates this mode. Threshold can be adjusted in the "Audio input controls" panel.
    "repeat" - The same mode as "signal" but recorder will start each time when input signal exceeded threshold, of course after stopping before. Recorder can be stopped manually or by time or by silence and will be started again when input signal exceed threshold.
    (NOTE: it seems like this behavior is reversed in the app when in loop mode: "signal" will re-record when the threshold is exceeded while "repeat" just does a single record. Both of these work like noted when in normal file recording mode. Also if Stop is set to "timer" or "silence" you have to arm before it actually starts recording. i.e. you have to press the Record button twice).

    Record Stop:
    "manual" - Recorder stops by the "Record" button.
    "timer" - Recorder will stop after the time defined in the "Record and loop time" panel. The recording time can be defined in the "Seconds" or "Measures". When the recording timer is set to the "Measures" mode the record always stops at the end of current (completed) measure.
    "silence" - Recorder will stop when the input signal falls below specified threshold. Threshold can be adjusted in the "Audio input controls" panel.

    Recording in the buffer is a destructive process: new recordings replace old recordings.

    If you're on the "Looper" screen you have to press Start and then turn on the processing in one of four ways. These are basically combinations of the "record start" and "record stop" settings from the Scaper screen:
    1- Effect - this is "Record start - manual", "Record stop - manual".
    2- Overdub - this is "Record start - signal", "Record stop - silence". This isn't quite like sound-on-sound overdub that you're used to. Here the record head only clears the buffer if there's an input signal above the threshold. This allows you to build up a rhythmic loop, but, again, it's not sound-on-sound overdub, but rather a lack of buffer erasing without signal present.
    3- Loop A - "Record start - signal", "Record stop - timer. Here the record head only starts moving when the input signal is above the threshold and then continues for whatever time is set. As noted above, "signal" behaves like the description for "repeat" so it will start recording again when another signal exceeds the threshold.
    4- Loop M - "Record start - repeat", "Record stop - timer". Like Loop A except with the changes between "signal" and "repeat" noted above: 1- you have to arm your track; 2- it doesn't rerecord like the description implies, but only records

    Note that in Looper mode you always write the input stream to Oscillator 1.

    The Looper screen is useful for performance because you can set favorite presets and samples and the 4 buttons above are the most useful combinations of the record start/stop settings.

    A lot of the time when people ask if they should get SoundScaper or FieldScaper the love goes to SoundScaper. It's great, but I think FieldScaper is so much more useful because of it's effect processing capabilities.

  • [Deleted User][Deleted User]

    Wow.. thanks @aplourde

    I'll try it later

    I appreciate all the time u put into this reply ;)

    @aplourde said:
    You need to set "scaper start" mode to "loop".
    In loop mode the input signal is written directly to the Oscillator buffer for processing without creating a file.

    There are two ways to do this (purple dashed circles in image):
    A- on the main Scaper screen the "scaper start" mode button is under the waveform view on the right edge of the screen.
    B- switch the mode to Looper and then the record mode is automatically set to "loop".

    FieldScaper works by processing a buffer and the size of the buffer needs to be set even if you're not creating a saved file. Do this by tapping the time controls (yellow dashed rectangle).

    If you're on the Main Scaper screen, you then need to hit Record. This will start recording directly to the buffer of whatever Oscillator is currently selected. Being on this screen is useful to see the waveform that's being written into the buffer and how the current processing traverses that buffer.

    How the record head starts recording and how it stops is dependent on the "record start" and "record stop" settings.
    (green dashed rectangle)
    From the manual:
    Record Start:
    "manual" - Recorder starts by the "Record" button.
    "signal" - Recorder starts one time when input signal exceed specified threshold. Button "Record" activates this mode. Threshold can be adjusted in the "Audio input controls" panel.
    "repeat" - The same mode as "signal" but recorder will start each time when input signal exceeded threshold, of course after stopping before. Recorder can be stopped manually or by time or by silence and will be started again when input signal exceed threshold.
    (NOTE: it seems like this behavior is reversed in the app when in loop mode: "signal" will re-record when the threshold is exceeded while "repeat" just does a single record. Both of these work like noted when in normal file recording mode. Also if Stop is set to "timer" or "silence" you have to arm before it actually starts recording. i.e. you have to press the Record button twice).

    Record Stop:
    "manual" - Recorder stops by the "Record" button.
    "timer" - Recorder will stop after the time defined in the "Record and loop time" panel. The recording time can be defined in the "Seconds" or "Measures". When the recording timer is set to the "Measures" mode the record always stops at the end of current (completed) measure.
    "silence" - Recorder will stop when the input signal falls below specified threshold. Threshold can be adjusted in the "Audio input controls" panel.

    Recording in the buffer is a destructive process: new recordings replace old recordings.

    If you're on the "Looper" screen you have to press Start and then turn on the processing in one of four ways. These are basically combinations of the "record start" and "record stop" settings from the Scaper screen:
    1- Effect - this is "Record start - manual", "Record stop - manual".
    2- Overdub - this is "Record start - signal", "Record stop - silence". This isn't quite like sound-on-sound overdub that you're used to. Here the record head only clears the buffer if there's an input signal above the threshold. This allows you to build up a rhythmic loop, but, again, it's not sound-on-sound overdub, but rather a lack of buffer erasing without signal present.
    3- Loop A - "Record start - signal", "Record stop - timer. Here the record head only starts moving when the input signal is above the threshold and then continues for whatever time is set. As noted above, "signal" behaves like the description for "repeat" so it will start recording again when another signal exceeds the threshold.
    4- Loop M - "Record start - repeat", "Record stop - timer". Like Loop A except with the changes between "signal" and "repeat" noted above: 1- you have to arm your track; 2- it doesn't rerecord like the description implies, but only records

    Note that in Looper mode you always write the input stream to Oscillator 1.

    The Looper screen is useful for performance because you can set favorite presets and samples and the 4 buttons above are the most useful combinations of the record start/stop settings.

    A lot of the time when people ask if they should get SoundScaper or FieldScaper the love goes to SoundScaper. It's great, but I think FieldScaper is so much more useful because of it's effect processing capabilities.

  • Wrlds2ndBstGeoshredrWrlds2ndBstGeoshredr

    Can Fieldscaper be used as a freaky guitar pedal? Are there any good videos on the live effects function?

  • aplourdeaplourde

    @Wrlds2ndBstGeoshredr said:
    Can Fieldscaper be used as a freaky guitar pedal? Are there any good videos on the live effects function?

    Sure, you can use it on any input signal.

    If you don't adjust the Clock or change the Address Masking you have distortion, filter, delay and reverb for pretty standard processing (but with LFOs capable of really slow rates to modulate with)

    I would recommend setting the record time to the song tempo and something simple like 1 or 2 bars (or longer if you want to capture a longer loop for creating a backing texture). If you don't adjust the Clock or change Address Masking, this doesn't really matter as you're processing the input in realtime, but it's still a good practice.

    I would suggest keeping the Clock to an integer value so you're either playing at the normal pitch or octaves up or down.

    Address Masking is where things get "freaky" The "Set"s "short" the address lines and generally create inharmonic tones - maybe not the best for playing to. "Area" is, essentially, a slicer. With automation of Mask selector and Mask shifter you can get some chaotic playback of your recorded buffer (either live playing or a captured loop depending on how you set your record modes).

    These aren't examples of guitar, but they show using "Looper" mode for creating a textured loop:
    http://motion-soundscape.blogspot.com/2016/03/glitched-ambient-fieldscaper-app-in.html
    or realtime processing:
    http://motion-soundscape.blogspot.com/2016/05/polivoks-synth-with-fieldscaper-app.html

  • JeffChasteenJeffChasteen

    @Wrlds2ndBstGeoshredr said:
    Can Fieldscaper be used as a freaky guitar pedal? Are there any good videos on the live effects function?

    Given aplourde's detailed answer, thanks for asking this question!

    I know what I will be doing tomorrow.

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