u/SexyBlowjob

How to Wear the Best Earphones in the World
▲ 3 r/hifiadvice+1 crossposts

How to Wear the Best Earphones in the World

I receive a lot of comments on fitting the ultimate AKG x Samsung earphones with the Spinfit W1 eartips, so decided to make a video dedicated to the topic.

AKG EO-IG955 Earphones: https://amzn.to/4tIJ95A
SpinFit W1 Ear Tips: https://amzn.to/4iHRt1Q

PEQdB MacOS Software: https://github.com/peqdb/macos

My EQ for AKG EO-IG955:
Preamp: -3.8 dB
Filter 1: ON LSC Fc 22 Hz Gain 3.68 dB Q 0.707
Filter 2: ON PK Fc 168 Hz Gain -6.54 dB Q 0.486
Filter 3: ON PK Fc 339 Hz Gain -0.60 dB Q 1.414
Filter 4: ON PK Fc 765 Hz Gain 1.87 dB Q 1.245
Filter 5: ON PK Fc 1769 Hz Gain -1.47 dB Q 1.255
Filter 6: ON PK Fc 3287 Hz Gain -3.62 dB Q 2.208
Filter 7: ON PK Fc 5563 Hz Gain 8.65 dB Q 1.484
Filter 8: ON PK Fc 5747 Hz Gain -6.84 dB Q 2.980
Filter 9: ON PK Fc 10548 Hz Gain -0.78 dB Q 1.990
Filter 10: ON PK Fc 12708 Hz Gain 0.56 dB Q 1.414
Filter 11: ON HSC Fc 14702 Hz Gain 1.99 dB Q 1.414

youtu.be
u/SexyBlowjob — 2 days ago
▲ 6 r/hifiadvice+1 crossposts

God-Tier Samsung x AKG Earphones Buyer's Guide

I tell you all the components you need to maximize the sound quality of your Samsung x AKG wired earphones, including the eartips, DAC, amplifier, and measurement device.

AKG EO-IG955 Earphones: https://amzn.to/4tIJ95A
SpinFit W1 Ear Tips: https://amzn.to/4iHRt1QTopping E50ii DAC: https://amzn.to/436cFaR
Topping E50ii DAC: https://amzn.to/436cFaR
Topping L70 Headphone Amp/Preamp: https://amzn.to/3PUAtLA
Topping L50 Headphone Amp: https://amzn.to/3Rp71he
Topping L30ii Headphone Amp: https://amzn.to/4v6iwZH
Sennheiser 1/4" Adapter: https://amzn.to/4eZesFK
IEC 60318-4 Measurement Device(Color: type 1): https://s.click.aliexpress.com/e/_c2x5Nq9H

https://peqdb.com

PEQdB MacOS Software: https://github.com/peqdb/macos

PEQdB Discord: https://discord.gg/B7e8cM76PM

youtu.be
u/SexyBlowjob — 3 days ago

The Best Headphones Are Less Than $900?

The HiFiMAN Mini Shangri-La and Jade 2 with Dekoni Elite Velour pads are potentially the best sounding headphones in the world, given you spend $2000 or so to power them properly, and the diaphragms do not get stuck to the stators under heavy loads.

https://peqdb.com

PEQdB Discord: https://discord.gg/B7e8cM76PM

Recommended Audio Equipment:
Audeze LCD-5 Open-Back Headphones: https://amzn.to/4lTNqj9
Samsung EO-IA500 Earphones: https://amzn.to/3LuQZzq
SpinFit W1 Ear Tips: https://amzn.to/4iHRt1Q
Qudelix-5k Portable DAC/AMP: https://www.qudelix.com/products/qudelix-5k
IEC 60318-4 Measurement Device(Color: type 1): https://s.click.aliexpress.com/e/\_c2x...
Sennheiser MKH8020 Microphone: https://amzn.to/40k60Zs

As an Amazon Associate, I earn from qualifying purchases.

#audio #headphones #earphones #speakers #hifi

youtu.be
u/SexyBlowjob — 9 days ago

As those of you who have used them know, the Tadeevo Bliss are the greatest shoes in the world. The 5 mm ultra thin, perfectly flat sole, virtually zero artificial sidewall support, super thin grippy textured footbed, make these the best shoes you can wear with socks. I have tried the Xero Speed Force ii, Merrell Vapor Glove 4, 5, 6, and even Vibram's most minimalist model, the Graspifier. Nothing comes anywhere close to how minimalist the Tadeevo Bliss is. I am not affiliated with Tadeevo in any way. Their Bliss shoes are just so good, it's beyond my imagination how this is not more widely realized.

Lately I tried the Magical Shoes Roma sandals, but found them ultimately worse than the Tadeevo Bliss. When I realized Tadeevo also made Sandals, I was thrilled, but I soon learned that they only offer up to a size 41 cm in them. I wear a size 44 cm (US M11) for the Tadeevo Bliss.

Do any of you know any sandals with similar quality to them (link to picture)? They have the same 5 mm ultra thin sole as the Bliss, with insane flexibility and durability. I literally cannot wear any footwear besides Tadeevo for extended periods of time without getting annoyed.

The grainy leather footbed seems better for footbed moisture dissipation than smooth leather footbeds.

Also, the toe peg looks more comfortable than other huarache sandals.

u/SexyBlowjob — 24 days ago

The CrinEar reference makes a lot of promises, largely based on pseudoscience, which I dissect and analyze in this video.

u/SexyBlowjob — 27 days ago
▲ 17 r/DSP

The Low-Frequency Effects (LFE) channel is defined up to 120 Hz and is already low-passed at 120 Hz in Dolby encoded content. However, not all content follows this standard and can have extreme waveform clipping when digitally analyzed. Most people likely wouldn't even notice this due to their subwoofers not going high enough in frequency.

When including the LFE channel in headphone playback, applying a low-pass filter becomes necessary to make this clipping inaudible. Since the LFE channel is typically defined to 120 Hz, I want the filter to be 0 dB down from +7.1 dB in the passband (left or right channel: summed LFE stereo output = +10 dB in passband relative to single channels).

I also want to filter out unnecessary content above 120 Hz to prevent artifacts that weren't heard by the mix engineer in the first place.

The red curve shows the FIR low pass filter Dolby uses in the Dolby Atmos Renderer for the LFE channel. Since they implement it as a linear phase filter, the rest of the channels must be delayed by about 20 ms. The filter is significantly down by 120 Hz and can blunt the transients of the LFE channel for well encoded/mixed LFE content (any Dolby Atmos production).

I'm implementing the green curve as a minimum phase approximation of a 10239 tap FIR "monotonic" filter. It's perfectly flat to 120 Hz and -60 dB at 150 Hz. Using a phase fit band of 20 to 100 Hz (I tested 20 to 60 Hz, 20 to 80 Hz, and 20 to 200 Hz as well), I calculated a ~8 ms delay to add to the rest of the channels so that the combined output sounds as similar as possible to using no low pass filter for low pass filter encoded content.

What low pass filters are the rest of you using for your low frequency effects channel (if any), are you implementing it as a linear or minimum phase filter, and if minimum phase, how are you determining the optimal time delay for the rest of the channels (i.e. latency and processor constraints)?

u/SexyBlowjob — 29 days ago