Temporary suspension of services due to planned power outage (Sep 13 – 16, 2025)

A planned power outage will be conducted at Hokkaido University’s Sapporo Campus on Sunday, September 14th, from 8:00 AM to 6:00 PM. As a result, all lab services will be suspended
from 1:00 PM on Saturday, September 13th, until 10:00 AM on Tuesday, September 16th.
The service suspension period may vary, and some services might be running slightly, or they might not be running at all.

2025 International Symposium on Multimedia and Communications (ISMAC 2025)

At the 2025 International Symposium on Multimedia and Communications (ISMAC 2025), held on Panglao Island from August 20 to 22, Mr. Zhao and Ms. Sakaki delivered the following two presentations.

  • Chenyu Zhao, Hiroshi Tsutsui, Takeo Ohgane, “Design and Implementation of a Real-Time Acoustic Feature Visualization System on Raspberry Pi Platform Utilizing Fixed-Point FPGA-Based Mel Spectrum Extraction,” Proceedings of International Symposium on Multimedia and Communication Technology (ISMAC), Aug. 2025.
  • Haruka Sakaki, Kenshiro Tanaka, Chenyu Zhao, Hiroshi Tsutsui, Takeo Ohgane, “Comparative Evaluation of CNN, VGG16, Conformer, and YAMNet Models for Skateboard Riding Sound Detection,” Proceedings of International Symposium on Multimedia and Communication Technology (ISMAC), Aug. 2025.

Farewell and First Semester End Party 2025

On Tuesday, July 29, we held a farewell party for Mr. Yamanaka, who is graduating this semester, along with first semester end party.
We wish Mr. Yamanaka continued success in their future endeavors!

Jingisukan Party 2025

We held our annual Jingisukan (BBQ) party on June 17th!

“Campus Clean Day” 2025

We participated in the Campus Clean-up Day held at Hokkaido University on Wednesday, May 13.

2025 Farewell party

On Monday, March 24th, we held a farewell party for M2 students graduating this academic year (Tanaka, Saito, Hirai).
We wish everyone continued success in their future endeavors!

IEICE Hokkaido Section Student Council Internet Symposium 2025 Best Presentation Award

Ms. Sakaki won one of the best presentation awards at IEICE Hokkaido SAC Internet Symposium 2025 for the following presentation.

  • Haruka Sakaki, Kenshiro Tanaka, Hiroshi Tsutsui, Takeo Ohgane, “Noise Robustness Improvement by Applying Multi-Condition Training to a VGG16-Based Skateboard Riding Sound Detection System,” Proceedings of IEICE Hokkaido Section Section Student Activity Committee Internet Symposium, Feb. 2025 (in Japanese).

The 50th PARTHENON Technical Society Conference @ Meiji University Ikuta Campus

On December 25, B4 student Yuzuki Morikawa presented the following paper at the 50th Parthenon Technical Society Conference held at Meiji University Ikuta Campus. We also participated in the Parthenon Workshop held on December 26.

  • Yuzuki Morikawa, Chenyu Zhao, Hiroshi Tsutsui, Takeo Ohgane, “Towards a Low-Cost Hardware Implementation of a Mel Filter Bank for Audio Signal Processing,” Proceedings of the 50th PARTHENON Technical Society Conference, pp. 32-33, Dec. 2024 (in Japanese).

2024 Lab Year-End Party

We held a year-end party after the midterm presentation of graduation and master’s theses on December 17!

2024 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS 2024)

At the 2024 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS 2024), held in Kaohsiung from December 10 to 13, Mr. Zhao presented the following paper.

  • Chenyu Zhao, Naoya Yamamura, Hiroshi Tsutsui, Takeo Ohgane, “Evaluation of Computational Cost and Result Accuracy in Design and Efficient Implementation of Log-Mel Spectrogram and MFCC Feature Extraction Using Fixed-Point Arithmetic on FPGA,” Proceedings of International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS), Dec. 2024.