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RPi + CamillaDSP Tutorial

Thanks for the suggestion! I'll expose the MCLK, so future generations can simply use a jumper cable to connect it to the 20-pin male header on top of the shield
 
phofman said:
Nice. Please does it have some provision for optionally feeding MCLK signal from one of/selected RPi5 GPCLKs, to allow avoiding the internal BCLK -> MCLK PLLs in the codecs?
Click to expand...
Does it have a bemefit as long as the BCLKs to the DACs are in sync?
Did some experimenting with the PLL version to pcm5102a and a other brand dac and it seems they are in phase. My sourse was a ADAU dsp though.
 
Well, mclk is the clock used for the actual conversion. Every PLL introduces jitter. The clock can either be:

crystal clock in RP1 of RPi5 -> PLL to mclk for I2S -> divider to blck -> DAC's PLL to mclk for conversion => 2 PLLs

or

crystal clock in RP1 of RPi5 -> PLL to mclk for I2S AND for conversion -> divider to blck => 1 PLL

or ideally (which I do not know if RP1 supports external MCLK for I2S, but non-RPi ARM SoCs commonly do):

external audio-frequency crystal clock = mclk for I2S AND for conversion -> divider to bclk => no jittery PLL involved
 
So will they measure any better with a master clock? If nobody already has the measurements, I must measure myself:)
(I agree the correct solution is a master clock. But then the cabeling/routing must be HF competible to work well.)
 
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Some sidebands with PLL, but 11ppm is low enough for this DAC i think. Was quite consistent through 3 DACs

1749824715055.png
 
1749824971217.png1749825011454.png1749825046300.png1749825081653.png1749825120741.png1749825170015.png
These are different channels on 3 cheap 5102A dacs. Last one is output before analog filter.
So the DACS are not so consistent that I think MCKL matters onn overall performance.
But the noise is very low, just some 2. and 3.rd harmonics
 
Actually MCLK is a tiny bit better. Jtest.
Consistent results taking Mclk connector on and of the 5102A DAC
Dont see any differens in harmonics or noise or clock deviation ppms

1749895485911.png
 
This is with Mclk, but highest input impedance of ADC. So difference in harmonics are due to lighter loading.
With damping of output resistor of DAC 0dBFS is 2.08 Volt RMS out on DAC and corresponds to -15.4 dBFS on ADC
This is stepped with ADC dBFS as reference on Xaxis

1749902813232.png
At -13 dB in. Noise and harmonics are just flat versus frequency. (Other measurment conditions than graph above)
1749903338855.png1749904684570.png1749905096837.png
The two on the right was run right after. This also
1749905436953.png1749905540149.png1749905815611.pngThe two on the right are the same measurement
 
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Hello, dear community.
The day has come when I decided to use the MOTU M4 and CamillaDSP in my 2.1 system. I'm using Squeezelite and LMS on an RPi5 as the player.
I’ve installed CamillaDSP and loaded the "streamer" config. Everything works great, output to 4 channels is functioning — BUT every ~20 seconds I get sound distortion.


Maybe this has already been answered somewhere, but English is not my native language and I just couldn’t find it. Also, Linux is still a bit difficult for me.


I would really appreciate any help. Thank you in advance!
 
ClintEastw00d said:
Hello, dear community.
The day has come when I decided to use the MOTU M4 and CamillaDSP in my 2.1 system. I'm using Squeezelite and LMS on an RPi5 as the player.
I’ve installed CamillaDSP and loaded the "streamer" config. Everything works great, output to 4 channels is functioning — BUT every ~20 seconds I get sound distortion.


Maybe this has already been answered somewhere, but English is not my native language and I just couldn’t find it. Also, Linux is still a bit difficult for me.


I would really appreciate any help. Thank you in advance!
Click to expand...

First thing is to check the log file. Navigate to


replace 192.168.0.55 with the IP address of your RPi5. Click on the "Show log file" button.

You can also experiment with increasing the chunksize and target level. See the recommendations for chunksize and target level at

github.com

GitHub - mdsimon2/RPi-CamillaDSP: Guidance on implementing CamillaDSP on a Raspberry Pi

Guidance on implementing CamillaDSP on a Raspberry Pi - mdsimon2/RPi-CamillaDSP
github.com github.com
 
Daverz said:
First thing is to check the log file. Navigate to


replace 192.168.0.55 with the IP address of your RPi5. Click on the "Show log file" button.

You can also experiment with increasing the chunksize and target level. See the recommendations for chunksize and target level at

github.com

GitHub - mdsimon2/RPi-CamillaDSP: Guidance on implementing CamillaDSP on a Raspberry Pi

Guidance on implementing CamillaDSP on a Raspberry Pi - mdsimon2/RPi-CamillaDSP
github.com github.com
Click to expand...
Thank you for the reply. There’s nothing suspicious in the log; I tried changing chunksize and other settings, but without any result.
 
@ClintEastw00d: There is no way to troubleshoot remotely without any info. Your CDSP config file is the first step. Based on your description I would guess some issues around rate adjust.
 
phofman said:
@ClintEastw00d: There is no way to troubleshoot remotely without any info. Your CDSP config file is the first step. Based on your description I would guess some issues around rate adjust.
Click to expand...
description: null
devices:
adjust_period: 10
capture:
channels: 2
device: hw:Loopback,0
format: S32LE
labels: null
link_mute_control: null
link_volume_control: null
stop_on_inactive: null
type: Alsa
capture_samplerate: 44100
chunksize: 1024
enable_rate_adjust: true
multithreaded: null
playback:
channels: 4
device: hw:M4
format: S32LE
type: Alsa
queuelimit: 4
rate_measure_interval: 1
resampler:
type: Synchronous
samplerate: 192000
silence_threshold: -100
silence_timeout: 5
stop_on_rate_change: false
target_level: 3072
volume_limit: null
volume_ramp_time: null
worker_threads: null
filters:
Bass:
description: null
parameters:
freq: 85
gain: 0
q: 0.9
type: Lowshelf
type: Biquad
Treble:
description: null
parameters:
freq: 6500
gain: 0
q: 0.7
type: Highshelf
type: Biquad
mixers:
2x4:
channels:
in: 2
out: 4
description: null
labels: null
mapping:
- dest: 0
mute: false
sources:
- channel: 0
gain: 0
inverted: false
mute: false
scale: dB
- dest: 1
mute: false
sources:
- channel: 1
gain: 0
inverted: false
mute: false
scale: dB
- dest: 2
mute: false
sources:
- channel: 0
gain: 0
inverted: false
mute: false
scale: dB
- dest: 3
mute: false
sources:
- channel: 1
gain: 0
inverted: false
mute: false
scale: dB
pipeline:
- bypassed: false
channels:
- 0
- 1
description: null
names:
- Bass
- Treble
type: Filter
- bypassed: false
description: null
name: 2x4
type: Mixer
processors: {}
title: Streamer
 
OK, now please post debug log which shows how the playback buffer level develops during playback, along with setrate adjustments You have target level at 3 chunks which looks OK, but I would like to see the actual buffer size and buffer level, to config the rate adjust really works in your setup.

Ideally also log around the time of the sound issue. Please avoid the websockets (run CDSP from commandline) so that the log is not flooded with websockets debug logs.
 
phofman said:
OK, now please post debug log which shows how the playback buffer level develops during playback, along with setrate adjustments You have target level at 3 chunks which looks OK, but I would like to see the actual buffer size and buffer level, to config the rate adjust really works in your setup.

Ideally also log around the time of the sound issue. Please avoid the websockets (run CDSP from commandline) so that the log is not flooded with websockets debug logs.
Click to expand...
2025-07-03 17:23:03.591725 DEBUG [src/alsadevice.rs:389] Playback: setting channels to 4
2025-07-03 17:23:03.591754 DEBUG [src/alsadevice.rs:393] Playback: supported samplerates: Discrete([44100, 48000, 88200, 96000, 176400, 192000])
2025-07-03 17:23:03.591757 DEBUG [src/alsadevice.rs:394] Playback: setting rate to 192000
2025-07-03 17:23:03.591764 DEBUG [src/alsadevice.rs:398] Playback: supported sample formats: [S32LE]
2025-07-03 17:23:03.591767 DEBUG [src/alsadevice.rs:408] Playback: setting format to S32LE
2025-07-03 17:23:03.591773 DEBUG [src/alsadevice_buffermanager.rs:57] Setting buffer size to 4096 frames
2025-07-03 17:23:03.591783 DEBUG [src/alsadevice_buffermanager.rs:70] Device is using a buffer size of 4096 frames
2025-07-03 17:23:03.591786 DEBUG [src/alsadevice_buffermanager.rs:78] Setting period size to 512 frames
2025-07-03 17:23:03.591795 DEBUG [src/alsadevice_buffermanager.rs:94] Device is using a period size of 512 frames
2025-07-03 17:23:03.632935 DEBUG [src/alsadevice.rs:432] Opening Playback device "hw:M4" with parameters: HwParams { channels: Ok(4), rate: "Ok(192000) Hz", format: Ok(S32LE), access: Ok(RWInterleaved), period_size: "Ok(512) frames", buffer_size: "Ok(4096) frames" }, SwParams(avail_min: Ok(1024) frames, start_threshold: Ok(1) frames, stop_threshold: Ok(4096) frames)
2025-07-03 17:23:03.632956 DEBUG [src/alsadevice.rs:437] Playback device "hw:M4" successfully opened
2025-07-03 17:23:03.632972 DEBUG [src/bin.rs:272] Playback thread ready to start
2025-07-03 17:23:03.632977 DEBUG [src/bin.rs:275] Both capture and playback ready, release barrier
2025-07-03 17:23:03.632985 DEBUG [src/bin.rs:277] Supervisor loop starts now!
2025-07-03 17:23:03.632990 DEBUG [src/alsadevice.rs:1147] Starting playback loop
2025-07-03 17:23:03.632995 DEBUG [src/alsadevice.rs:464] Playback device supports pausing the stream
2025-07-03 17:23:03.632994 DEBUG [src/alsadevice.rs:1237] Starting captureloop
2025-07-03 17:23:03.632998 DEBUG [src/alsadevice.rs:467] Playback loop uses a buffer of 1024 frames
2025-07-03 17:23:03.632992 DEBUG [src/processing.rs:103] Processing loop starts now!
2025-07-03 17:23:03.633085 DEBUG [src/alsadevice.rs:500] Playback thread has real-time priority.
2025-07-03 17:23:03.633172 DEBUG [src/alsadevice_utils.rs:597] Look up element with name PCM Rate Shift 100000
2025-07-03 17:23:03.633178 DEBUG [src/alsadevice_utils.rs:600] Found element with name PCM Rate Shift 100000 and numid 57
2025-07-03 17:23:03.633181 DEBUG [src/alsadevice_utils.rs:597] Look up element with name Capture Pitch 1000000
2025-07-03 17:23:03.633185 DEBUG [src/alsadevice_utils.rs:597] Look up element with name PCM Slave Active
2025-07-03 17:23:03.633187 DEBUG [src/alsadevice_utils.rs:600] Found element with name PCM Slave Active and numid 59
2025-07-03 17:23:03.633190 DEBUG [src/alsadevice_utils.rs:597] Look up element with name Capture Rate
2025-07-03 17:23:03.633193 INFO [src/alsadevice.rs:798] Capture device supports rate adjust
2025-07-03 17:23:03.633196 DEBUG [src/alsadevice.rs:807] Capture loop uses a buffer of 1024 frames
2025-07-03 17:23:03.633201 DEBUG [src/alsadevice.rs:840] Capture thread has real-time priority.
2025-07-03 17:23:03.633210 DEBUG [src/alsadevice.rs:254] Starting capture from state: SND_PCM_STATE_PREPARED, Ready to start
2025-07-03 17:23:03.638129 INFO [src/alsadevice.rs:117] PB: Starting playback from Prepared state
2025-07-03 17:23:03.654214 DEBUG [src/countertimer.rs:271] Number of values changed. New 4, prev 2. Clearing history.
2025-07-03 17:23:03.654223 DEBUG [src/countertimer.rs:271] Number of values changed. New 4, prev 2. Clearing history.
2025-07-03 17:23:04.789892 DEBUG [src/countertimer.rs:73] Pausing processing
2025-07-03 17:23:04.789934 DEBUG [src/alsadevice.rs:653] Pausing playback device
2025-07-03 17:23:18.035714 DEBUG [src/alsadevice_utils.rs:406] Event from numid 59
2025-07-03 17:23:18.035754 DEBUG [src/alsadevice_utils.rs:466] Loopback active: Some(true)
2025-07-03 17:23:18.081896 DEBUG [src/countertimer.rs:68] Resuming processing
2025-07-03 17:23:18.082167 DEBUG [src/alsadevice.rs:122] PB: Device is in paused state, unpausing.
2025-07-03 17:23:18.082216 DEBUG [src/helpers.rs:162] Rate controller, ramp step 1/20, current target 2555.203396582944
2025-07-03 17:23:18.082222 DEBUG [src/alsadevice.rs:629] Send SetSpeed message for speed 1.0000147117563485
2025-07-03 17:23:18.082291 DEBUG [src/alsadevice.rs:638] PB: buffer level: 2437.5, signal rms: Some(HistoryRecord { time: Instant { tv_sec: 441, tv_nsec: 696353719 }, values: [0.12668188, 0.13480762, 0.12668188, 0.13480762] })
2025-07-03 17:23:18.082299 DEBUG [src/bin.rs:393] SetSpeed message received
2025-07-03 17:23:18.089995 DEBUG [src/alsadevice.rs:866] Setting capture loopback speed to 1.0000147117563485
2025-07-03 17:23:18.090023 DEBUG [src/alsadevice_utils.rs:406] Event from numid 57
2025-07-03 17:23:28.090152 DEBUG [src/helpers.rs:162] Rate controller, ramp step 2/20, current target 2655.710681775701
2025-07-03 17:23:28.090187 DEBUG [src/alsadevice.rs:629] Send SetSpeed message for speed 1.0000833980041017
2025-07-03 17:23:28.090197 DEBUG [src/alsadevice.rs:638] PB: buffer level: 2008.1, signal rms: Some(HistoryRecord { time: Instant { tv_sec: 451, tv_nsec: 704288042 }, values: [0.0030225574, 0.0032948188, 0.0030225574, 0.0032948188] })
2025-07-03 17:23:28.090308 DEBUG [src/bin.rs:393] SetSpeed message received
2025-07-03 17:23:28.097994 DEBUG [src/alsadevice.rs:866] Setting capture loopback speed to 1.0000833980041017
2025-07-03 17:23:28.098157 DEBUG [src/alsadevice_utils.rs:406] Event from numid 57
2025-07-03 17:23:38.090211 DEBUG [src/helpers.rs:162] Rate controller, ramp step 3/20, current target 2740.7919129380844
2025-07-03 17:23:38.090244 DEBUG [src/alsadevice.rs:629] Send SetSpeed message for speed 1.000079700622627
2025-07-03 17:23:38.090252 DEBUG [src/alsadevice.rs:638] PB: buffer level: 2230.7, signal rms: Some(HistoryRecord { time: Instant { tv_sec: 461, tv_nsec: 704346536 }, values: [0.00073938083, 0.0008281712, 0.00073938083, 0.0008281712] })
2025-07-03 17:23:38.090267 DEBUG [src/bin.rs:393] SetSpeed message received
2025-07-03 17:23:38.097985 DEBUG [src/alsadevice.rs:866] Setting capture loopback speed to 1.000079700622627
2025-07-03 17:23:38.098020 DEBUG [src/alsadevice_utils.rs:406] Event from numid 57
2025-07-03 17:23:42.978051 DEBUG [src/countertimer.rs:73] Pausing processing
2025-07-03 17:23:42.978189 DEBUG [src/alsadevice.rs:653] Pausing playback device
2025-07-03 17:23:44.713894 DEBUG [src/countertimer.rs:68] Resuming processing
2025-07-03 17:23:44.714147 DEBUG [src/alsadevice.rs:122] PB: Device is in paused state, unpausing.
2025-07-03 17:23:48.090899 DEBUG [src/helpers.rs:162] Rate controller, ramp step 4/20, current target 2812.1126280373833
2025-07-03 17:23:48.090935 DEBUG [src/alsadevice.rs:629] Send SetSpeed message for speed 1.0000327415471182
2025-07-03 17:23:48.090943 DEBUG [src/alsadevice.rs:638] PB: buffer level: 2762.7, signal rms: Some(HistoryRecord { time: Instant { tv_sec: 471, tv_nsec: 705034982 }, values: [0.0024704149, 0.0026790292, 0.0024704149, 0.0026790292] })
2025-07-03 17:23:48.090963 DEBUG [src/bin.rs:393] SetSpeed message received
2025-07-03 17:23:48.098044 DEBUG [src/alsadevice.rs:866] Setting capture loopback speed to 1.0000327415471182
2025-07-03 17:23:48.098074 DEBUG [src/alsadevice_utils.rs:406] Event from numid 57
2025-07-03 17:23:58.091472 DEBUG [src/helpers.rs:162] Rate controller, ramp step 5/20, current target 2871.243191442757
2025-07-03 17:23:58.091507 DEBUG [src/alsadevice.rs:629] Send SetSpeed message for speed 0.9999794120257893
2025-07-03 17:23:58.091515 DEBUG [src/alsadevice.rs:638] PB: buffer level: 3256.7, signal rms: Some(HistoryRecord { time: Instant { tv_sec: 481, tv_nsec: 705608277 }, values: [0.002354231, 0.0023670234, 0.002354231, 0.0023670234] })
2025-07-03 17:23:58.091527 DEBUG [src/bin.rs:393] SetSpeed message received
2025-07-03 17:23:58.098007 DEBUG [src/alsadevice.rs:866] Setting capture loopback speed to 0.9999794120257893
2025-07-03 17:23:58.098043 DEBUG [src/alsadevice_utils.rs:406] Event from numid 57
2025-07-03 17:24:08.092199 DEBUG [src/helpers.rs:162] Rate controller, ramp step 6/20, current target 2919.6587939252336
2025-07-03 17:24:08.092236 DEBUG [src/alsadevice.rs:629] Send SetSpeed message for speed 0.9999584539870324
2025-07-03 17:24:08.092244 DEBUG [src/alsadevice.rs:638] PB: buffer level: 3408.6, signal rms: Some(HistoryRecord { time: Instant { tv_sec: 491, tv_nsec: 706335767 }, values: [0.0032086964, 0.0026694443, 0.0032086964, 0.0026694443] })
2025-07-03 17:24:08.092258 DEBUG [src/bin.rs:393] SetSpeed message received
2025-07-03 17:24:08.093998 DEBUG [src/alsadevice.rs:866] Setting capture loopback speed to 0.9999584539870324
2025-07-03 17:24:08.094029 DEBUG [src/alsadevice_utils.rs:406] Event from numid 57
2025-07-03 17:24:18.093015 DEBUG [src/helpers.rs:162] Rate controller, ramp step 7/20, current target 2958.73945265771
2025-07-03 17:24:18.093052 DEBUG [src/alsadevice.rs:629] Send SetSpeed message for speed 0.9999372505053585
2025-07-03 17:24:18.093060 DEBUG [src/alsadevice.rs:638] PB: buffer level: 3535.8, signal rms: Some(HistoryRecord { time: Instant { tv_sec: 501, tv_nsec: 707150776 }, values: [0.0018250339, 0.0014847502, 0.0018250339, 0.0014847502] })
2025-07-03 17:24:18.093074 DEBUG [src/bin.rs:393] SetSpeed message received
2025-07-03 17:24:18.094000 DEBUG [src/alsadevice.rs:866] Setting capture loopback speed to 0.9999372505053585
2025-07-03 17:24:18.094032 DEBUG [src/alsadevice_utils.rs:406] Event from numid 57
2025-07-03 17:24:28.093834 DEBUG [src/helpers.rs:162] Rate controller, ramp step 8/20, current target 2989.7700112149532
2025-07-03 17:24:28.093879 DEBUG [src/alsadevice.rs:629] Send SetSpeed message for speed 0.999920604830442
2025-07-03 17:24:28.093887 DEBUG [src/alsadevice.rs:638] PB: buffer level: 3603.8, signal rms: Some(HistoryRecord { time: Instant { tv_sec: 511, tv_nsec: 707969749 }, values: [0.0025557321, 0.0031326166, 0.0025557321, 0.0031326166] })
2025-07-03 17:24:28.093902 DEBUG [src/bin.rs:393] SetSpeed message received
2025-07-03 17:24:28.097985 DEBUG [src/alsadevice.rs:866] Setting capture loopback speed to 0.999920604830442
2025-07-03 17:24:28.098024 DEBUG [src/alsadevice_utils.rs:406] Event from numid 57
2025-07-03 17:24:38.094591 DEBUG [src/helpers.rs:162] Rate controller, ramp step 9/20, current target 3013.940139573598
2025-07-03 17:24:38.094626 DEBUG [src/alsadevice.rs:629] Send SetSpeed message for speed 0.9999124194939426
2025-07-03 17:24:38.094635 DEBUG [src/alsadevice.rs:638] PB: buffer level: 3591.1, signal rms: Some(HistoryRecord { time: Instant { tv_sec: 521, tv_nsec: 708726900 }, values: [0.003583157, 0.0034784533, 0.003583157, 0.0034784533] })
2025-07-03 17:24:38.094645 DEBUG [src/bin.rs:393] SetSpeed message received
2025-07-03 17:24:38.098021 DEBUG [src/alsadevice.rs:866] Setting capture loopback speed to 0.9999124194939426
2025-07-03 17:24:38.098059 DEBUG [src/alsadevice_utils.rs:406] Event from numid 57
2025-07-03 17:24:48.095357 DEBUG [src/helpers.rs:162] Rate controller, ramp step 10/20, current target 3032.3443341121497
2025-07-03 17:24:48.095391 DEBUG [src/alsadevice.rs:629] Send SetSpeed message for speed 0.9999099292045011
2025-07-03 17:24:48.095399 DEBUG [src/alsadevice.rs:638] PB: buffer level: 3533.3, signal rms: Some(HistoryRecord { time: Instant { tv_sec: 531, tv_nsec: 709492982 }, values: [0.0023939388, 0.0031491308, 0.0023939388, 0.0031491308] })
2025-07-03 17:24:48.095409 DEBUG [src/bin.rs:393] SetSpeed message received
2025-07-03 17:24:48.101985 DEBUG [src/alsadevice.rs:866] Setting capture loopback speed to 0.9999099292045011
2025-07-03 17:24:48.102014 DEBUG [src/alsadevice_utils.rs:406] Event from numid 57
2025-07-03 17:24:58.096111 DEBUG [src/helpers.rs:162] Rate controller, ramp step 11/20, current target 3045.9819176109813
2025-07-03 17:24:58.096146 DEBUG [src/alsadevice.rs:629] Send SetSpeed message for speed 0.9999058957427325
2025-07-03 17:24:58.096155 DEBUG [src/alsadevice.rs:638] PB: buffer level: 3495.7, signal rms: Some(HistoryRecord { time: Instant { tv_sec: 541, tv_nsec: 710246680 }, values: [0.0036377604, 0.0046143467, 0.0036377604, 0.0046143467] })
2025-07-03 17:24:58.096175 DEBUG [src/bin.rs:393] SetSpeed message received
2025-07-03 17:24:58.097989 DEBUG [src/alsadevice.rs:866] Setting capture loopback speed to 0.9999058957427325
2025-07-03 17:25:08.096857 DEBUG [src/helpers.rs:162] Rate controller, ramp step 12/20, current target 3055.7570392523367
2025-07-03 17:25:08.096894 DEBUG [src/alsadevice.rs:629] Send SetSpeed message for speed 0.9999023032895545
2025-07-03 17:25:08.096903 DEBUG [src/alsadevice.rs:638] PB: buffer level: 3459.2, signal rms: Some(HistoryRecord { time: Instant { tv_sec: 551, tv_nsec: 710992864 }, values: [0.0030512975, 0.0030611977, 0.0030512975, 0.0030611977] })
2025-07-03 17:25:08.096924 DEBUG [src/bin.rs:393] SetSpeed message received
2025-07-03 17:25:08.102008 DEBUG [src/alsadevice.rs:866] Setting capture loopback speed to 0.9999023032895545
2025-07-03 17:25:18.097590 DEBUG [src/helpers.rs:162] Rate controller, ramp step 13/20, current target 3062.478674620327
2025-07-03 17:25:18.097625 DEBUG [src/alsadevice.rs:629] Send SetSpeed message for speed 0.9998968384989599
2025-07-03 17:25:18.097633 DEBUG [src/alsadevice.rs:638] PB: buffer level: 3442.4, signal rms: Some(HistoryRecord { time: Instant { tv_sec: 561, tv_nsec: 711725493 }, values: [0.0016091937, 0.0016941882, 0.0016091937, 0.0016941882] })
2025-07-03 17:25:18.097643 DEBUG [src/bin.rs:393] SetSpeed message received
2025-07-03 17:25:18.105986 DEBUG [src/alsadevice.rs:866] Setting capture loopback speed to 0.9998968384989599
2025-07-03 17:25:18.106020 DEBUG [src/alsadevice_utils.rs:406] Event from numid 57
2025-07-03 17:25:28.098313 DEBUG [src/helpers.rs:162] Rate controller, ramp step 14/20, current target 3066.8606257009346
2025-07-03 17:25:28.098352 DEBUG [src/alsadevice.rs:629] Send SetSpeed message for speed 0.9998967040930107
2025-07-03 17:25:28.098361 DEBUG [src/alsadevice.rs:638] PB: buffer level: 3384.6, signal rms: Some(HistoryRecord { time: Instant { tv_sec: 571, tv_nsec: 712448720 }, values: [0.0029364263, 0.003129836, 0.0029364263, 0.003129836] })
2025-07-03 17:25:28.098373 DEBUG [src/bin.rs:393] SetSpeed message received
2025-07-03 17:25:28.105995 DEBUG [src/alsadevice.rs:866] Setting capture loopback speed to 0.9998967040930107
2025-07-03 17:25:38.099030 DEBUG [src/helpers.rs:162] Rate controller, ramp step 15/20, current target 3069.521520882009
2025-07-03 17:25:38.099066 DEBUG [src/alsadevice.rs:629] Send SetSpeed message for speed 0.9998949260346104
2025-07-03 17:25:38.099075 DEBUG [src/alsadevice.rs:638] PB: buffer level: 3348.5, signal rms: Some(HistoryRecord { time: Instant { tv_sec: 581, tv_nsec: 713165914 }, values: [0.001429604, 0.0016194506, 0.001429604, 0.0016194506] })
2025-07-03 17:25:38.099094 DEBUG [src/bin.rs:393] SetSpeed message received
2025-07-03 17:25:38.106145 DEBUG [src/alsadevice.rs:866] Setting capture loopback speed to 0.9998949260346104
2025-07-03 17:25:48.099732 DEBUG [src/helpers.rs:162] Rate controller, ramp step 16/20, current target 3070.984814953271
2025-07-03 17:25:48.099769 DEBUG [src/alsadevice.rs:629] Send SetSpeed message for speed 0.9998958871336099
2025-07-03 17:25:48.099778 DEBUG [src/alsadevice.rs:638] PB: buffer level: 3295.8, signal rms: Some(HistoryRecord { time: Instant { tv_sec: 591, tv_nsec: 713868442 }, values: [0.0017313857, 0.0020574299, 0.0017313857, 0.0020574299] })
2025-07-03 17:25:48.099797 DEBUG [src/bin.rs:393] SetSpeed message received
2025-07-03 17:25:48.102004 DEBUG [src/alsadevice.rs:866] Setting capture loopback speed to 0.9998958871336099
2025-07-03 17:25:58.102087 DEBUG [src/helpers.rs:162] Rate controller, ramp step 17/20, current target 3071.6787891063086
2025-07-03 17:25:58.102124 DEBUG [src/alsadevice.rs:629] Send SetSpeed message for speed 0.9998962697195795
2025-07-03 17:25:58.102132 DEBUG [src/alsadevice.rs:638] PB: buffer level: 3255.9, signal rms: Some(HistoryRecord { time: Instant { tv_sec: 601, tv_nsec: 716222779 }, values: [0.0036298132, 0.004141044, 0.0036298132, 0.004141044] })
2025-07-03 17:25:58.102146 DEBUG [src/bin.rs:393] SetSpeed message received
2025-07-03 17:25:58.109948 DEBUG [src/alsadevice.rs:866] Setting capture loopback speed to 0.9998962697195795
2025-07-03 17:26:08.106130 DEBUG [src/helpers.rs:162] Rate controller, ramp step 18/20, current target 3071.9365509345794
2025-07-03 17:26:08.106165 DEBUG [src/alsadevice.rs:629] Send SetSpeed message for speed 0.9998974260861636
2025-07-03 17:26:08.106174 DEBUG [src/alsadevice.rs:638] PB: buffer level: 3216.2, signal rms: Some(HistoryRecord { time: Instant { tv_sec: 611, tv_nsec: 720266597 }, values: [0.0030654566, 0.0030592312, 0.0030654566, 0.0030592312] })
2025-07-03 17:26:08.106317 DEBUG [src/bin.rs:393] SetSpeed message received
2025-07-03 17:26:08.117986 DEBUG [src/alsadevice.rs:866] Setting capture loopback speed to 0.9998974260861636
2025-07-03 17:26:18.110159 DEBUG [src/helpers.rs:162] Rate controller, ramp step 19/20, current target 3071.9960344334113
2025-07-03 17:26:18.110193 DEBUG [src/alsadevice.rs:629] Send SetSpeed message for speed 0.9998994297086118
2025-07-03 17:26:18.110201 DEBUG [src/alsadevice.rs:638] PB: buffer level: 3176.2, signal rms: Some(HistoryRecord { time: Instant { tv_sec: 621, tv_nsec: 724294991 }, values: [0.0022646438, 0.002895398, 0.0022646438, 0.002895398] })
2025-07-03 17:26:18.110210 DEBUG [src/bin.rs:393] SetSpeed message received
2025-07-03 17:26:18.117983 DEBUG [src/alsadevice.rs:866] Setting capture loopback speed to 0.9998994297086118
2025-07-03 17:26:28.114080 DEBUG [src/helpers.rs:162] Rate controller, ramp step 20/20, current target 3072
2025-07-03 17:26:28.114112 DEBUG [src/alsadevice.rs:629] Send SetSpeed message for speed 0.9999111909836912
2025-07-03 17:26:28.114120 DEBUG [src/alsadevice.rs:638] PB: buffer level: 3064.8, signal rms: Some(HistoryRecord { time: Instant { tv_sec: 631, tv_nsec: 728215231 }, values: [0.0022902503, 0.003336593, 0.0022902503, 0.003336593] })
2025-07-03 17:26:28.114129 DEBUG [src/bin.rs:393] SetSpeed message received
2025-07-03 17:26:28.122006 DEBUG [src/alsadevice.rs:866] Setting capture loopback speed to 0.9999111909836912
2025-07-03 17:26:28.122040 DEBUG [src/alsadevice_utils.rs:406] Event from numid 57
2025-07-03 17:26:38.119154 DEBUG [src/alsadevice.rs:629] Send SetSpeed message for speed 0.9999240343116941
2025-07-03 17:26:38.119194 DEBUG [src/alsadevice.rs:638] PB: buffer level: 2963.2, signal rms: Some(HistoryRecord { time: Instant { tv_sec: 641, tv_nsec: 733289923 }, values: [0.002647602, 0.0028143928, 0.002647602, 0.0028143928] })
2025-07-03 17:26:38.119235 DEBUG [src/bin.rs:393] SetSpeed message received
2025-07-03 17:26:38.125994 DEBUG [src/alsadevice.rs:866] Setting capture loopback speed to 0.9999240343116941
2025-07-03 17:26:38.126027 DEBUG [src/alsadevice_utils.rs:406] Event from numid 57


This is it i hope?
 
Yes, nice log. IMO there are no issues there. Did some sound issue occur during the period of the log? If so, then it may be upstream from CDSP.
 
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