USB Audio Player PRO (UAPP): 24- and 32-bit playback, ubiquitous USB audio support for Android
Jul 17, 2021 at 2:35 PM Post #4,951 of 6,188
I'm looking for some clarification on the Toneboosters parametric EQ in UAPP. When enabling the 10-band mode, there's no headings for the columns, no help on anything in the Toneboosters plugin and no documentation.

Questions:

1. Is 'Analog bell' the same as 'Peak' in other EQ plugins?

2. Are the columns where you enter values as follows: Frequency, Gain and Bandwidth?

3. Is there no Q-Factor setting available?
 
Jul 17, 2021 at 3:15 PM Post #4,952 of 6,188
I'm looking for some clarification on the Toneboosters parametric EQ in UAPP. When enabling the 10-band mode, there's no headings for the columns, no help on anything in the Toneboosters plugin and no documentation.

Questions:

1. Is 'Analog bell' the same as 'Peak' in other EQ plugins?

2. Are the columns where you enter values as follows: Frequency, Gain and Bandwidth?

3. Is there no Q-Factor setting available?

I posted the following on another forum. Concerning your questions, I am not familiar with any other EQ plugins, but I would assume that what they label as "Peak" filters are the same as the Toneboosters "bell". Also, I assume a parameter called "Bandwidth" in another EQ plugin is the same as Q in the Toneboosters system.

All I could find for UAPP Toneboosters user manual was in the full Toneboosters manual 2015, at https://manualzz.com/doc/2326328/%C2%A9-...-2010-2015 . This manual describes the extensive complete Toneboosters parametric EQ system, which has a LOT of bells and whistles. The version embedded in UAPP is much reduced in complexity and scope, and seems to be only partially covered in the manual.

Section 7.3 - User Interface, starting on page 29, combined with my interpretation:

6 filter sections with several controls to modify their behavior

Note: all 6 filter sections are always processing the audio signal whether or not the filter section amplitude or gain is set to 0.

Also: Bit Perfect is automatically inhibited when Toneboosters EQ is enabled.

Parameters:

Filter type: Select the filter type of the current section - low frequency pass (low shelf), high frequency pass (high shelf), bell shape (analog bell, digital bell, digital bell 2 (more sophisticated digital bell)), blocking filter, etc.

Frequency: Sets the frequency of the currently selected section.

Gain: Sets the gain (in dB) of the current filter section (gain (+), cut (-)).

Quality Factor (Q): Sets the quality factor of the current filter section. This sets the bandwidth and rise/fall characteristics of the filter. A higher Q value means a narrower bandwidth/greater resonance or ringing or peakiness (depending on the filter type). About 0.72-0.73 seems to be critical or optimal damping (steepest rise/fall time/frequency slope that can be combined with no ringing). The tradeoff is that larger values of Q produce narrower band filters that can damp out narrower band mechanical/electrical resonances in the transducer with lesser effect on adjacent frequencies, at the cost of ringing and peakiness.

Mode: Determines whether the section applies its processing in stereo, left only, right only, mid only or side only channels.

Amount: Sets the amount of processing for the current section. 0% means that the filter is not being applied; 100% indicates full processing.
 
Jul 17, 2021 at 3:27 PM Post #4,953 of 6,188
I posted the following on another forum. Concerning your questions, I am not familiar with any other EQ plugins, but I would assume that what they label as "Peak" filters are the same as the Toneboosters "bell". Also, I assume a parameter called "Bandwidth" in another EQ plugin is the same as Q in the Toneboosters system.

All I could find for UAPP Toneboosters user manual was in the full Toneboosters manual 2015, at https://manualzz.com/doc/2326328/%C2%A9-...-2010-2015 . This manual describes the extensive complete Toneboosters parametric EQ system, which has a LOT of bells and whistles. The version embedded in UAPP is much reduced in complexity and scope, and seems to be only partially covered in the manual.

Section 7.3 - User Interface, starting on page 29, combined with my interpretation:

6 filter sections with several controls to modify their behavior

Note: all 6 filter sections are always processing the audio signal whether or not the filter section amplitude or gain is set to 0.

Also: Bit Perfect is automatically inhibited when Toneboosters EQ is enabled.

Parameters:

Filter type: Select the filter type of the current section - low frequency pass (low shelf), high frequency pass (high shelf), bell shape (analog bell, digital bell, digital bell 2 (more sophisticated digital bell)), blocking filter, etc.

Frequency: Sets the frequency of the currently selected section.

Gain: Sets the gain (in dB) of the current filter section (gain (+), cut (-)).

Quality Factor (Q): Sets the quality factor of the current filter section. This sets the bandwidth and rise/fall characteristics of the filter. A higher Q value means a narrower bandwidth/greater resonance or ringing or peakiness (depending on the filter type). About 0.72-0.73 seems to be critical or optimal damping (steepest rise/fall time/frequency slope that can be combined with no ringing). The tradeoff is that larger values of Q produce narrower band filters that can damp out narrower band mechanical/electrical resonances in the transducer with lesser effect on adjacent frequencies, at the cost of ringing and peakiness.

Mode: Determines whether the section applies its processing in stereo, left only, right only, mid only or side only channels.

Amount: Sets the amount of processing for the current section. 0% means that the filter is not being applied; 100% indicates full processing.
Thank you very much! I just switched it back to 6-channel and now I can see the labels and I thought was Bandwidth is, in fact, Q factor. I was operating in 10-channel mode where there's no labels or graphs.
 
Jul 27, 2021 at 2:43 PM Post #4,961 of 6,188
Now that apple has updated the android app of the Apple Music app and also allowing the use of their api can we have hope in having AM on UAPP soon?
 
Jul 27, 2021 at 2:47 PM Post #4,962 of 6,188
Now that apple has updated the android app of the Apple Music app and also allowing the use of their api can we have hope in having AM on UAPP soon?
Doubt it. Daddy Apple doesn't usually allow it. They want everything to flow through their apps.
 
Jul 27, 2021 at 2:52 PM Post #4,963 of 6,188
allowing the use of their api
Not on Android.

What are the limitations of the current Apple Music API?​

o This is iOS only, no tvOS or desktop support.
o There is no support currently for DJ style apps.
o Apps cannot delete playlists.
o The Apple Music API is not intended to replace licensed music, per Apple terms and conditions.
 
Jul 27, 2021 at 3:45 PM Post #4,964 of 6,188
These guys should be only good for web apps

https://github.com/openopus-org/concertino_api
https://github.com/openopus-org/concertino_player
https://github.com/sweetmans/Apple-Music-API-Document

Python wrapper

https://github.com/mpalazzolo/apple-music-python

This one from Apple didn't look very promising as well

https://developer.apple.com/musickit/android/

Dunno how they managed to pull this off, though

https://play.google.com/store/apps/details?id=jp.co.radius.neplayer_ver2&hl=en&gl=US
(6) Apple Musicに対応!
Apple MusicアカウントでログインすればNePLAYER上でApple Musicの音楽をストリーミング再生することができます。
※Apple Musicのご利用にはApple Musicアカウントが必要です。
※サービスの対応国はサービス提供先でご確認ください。
※Apple Musicのストリーミング再生でイコライザー、サラウンド、アップサンプリング機能の併用はできません
ElmH2CZl.png

fteOcH4l.jpg


Alternatively, one could give this a try with rooted Android devices

https://play.google.com/store/apps/details?id=app.airmusic.trial&hl=en&gl=US
https://pinkfishmedia.net/forum/threads/finally-direct-streaming-from-android.235835/
I can even stream Apple Music now from Android via DLNA!

https://audiophilestyle.com/forums/...es-mess/page/12/?tab=comments#comment-1149626
Apple Music (streaming ALAC lossless format)

AirMusic (as a sender of DLNA)

USB Audio Player Pro (as a receiver of DLNA)

USB DAC (bypassing the SRC of Android Mixer)
 
Aug 4, 2021 at 7:25 PM Post #4,965 of 6,188
Is there a reason I am unable to install Wavelet, UAPP, poweramp, etc to my Astell and Kern SR25? Wavelet just says 'App not installed' when I hit install, UAPP and poweramp prompt for the install and then say "There was a problem parsing the package". I'm really annoyed right now because the native EQ for this DAP is not very customizable, and just trying to find an EQ app that I can customize. I'm using XAPK Installer to install these. So far only Tidal and Spotify have successfully installed.
 

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