利用条件が明記された実録音を加工した、ゲーム用の参考音です。札幌市営地下鉄や北海道中央バスの実車を録音したものではありません。BGMは別途制作したオリジナル曲です。
バスはスロベニアのMAN SG 220、地下鉄の走行音はブリュッセルの駅で収録されたものです。アイドリング／走行の区分はゲームでの使い分けで、元録音の運転状態を忠実に再現するものではありません。
短い範囲の切り出し、モノラル化、再標本化、音量調整、ループ端のクロスフェードを行いました。録音の説明と波形・周波数分布から区間を選んでおり、実際に聴いたうえでの音質・背景音確認は未実施です。
Work With Sounds / Technical Museum of Slovenia; sound recordist: Dušan Oblak
切り出し範囲：12.0〜22.0秒
Decoded original with FFmpeg; averaged stereo to mono where applicable; resampled to 24000 Hz; Trim source interval [start,end), seconds; Removed constant DC offset -0.0000166657; 250 ms raised-cosine tail/head seam crossfade; rotated ordering: source start+0.25 through end-0.25, then tail/head blend; resulting loop 0.25 s shorter than interval; no silence fade at repeating seam; Linear level scale 1.0000000000 (never amplified); target ceilings peak 0.22, RMS 0.065; Quantized to signed 16-bit PCM without dither
Work With Sounds / Technical Museum of Slovenia; sound recordist: Dušan Oblak
切り出し範囲：0.36〜1.72秒
Decoded original with FFmpeg; averaged stereo to mono where applicable; resampled to 24000 Hz; Trim source interval [start,end), seconds; Removed constant DC offset -0.0002243270; 15 ms raised-cosine fade-in/out; Linear level scale 0.1639361049 (never amplified); target ceilings peak 0.25, RMS 0.11; Quantized to signed 16-bit PCM without dither
Work With Sounds / La Fonderie
切り出し範囲：50.0〜55.5秒
Decoded original with FFmpeg; averaged stereo to mono where applicable; resampled to 24000 Hz; Trim source interval [start,end), seconds; Removed constant DC offset 0.0001007695; 250 ms raised-cosine tail/head seam crossfade; rotated ordering: source start+0.25 through end-0.25, then tail/head blend; resulting loop 0.25 s shorter than interval; no silence fade at repeating seam; Linear level scale 0.3770051006 (never amplified); target ceilings peak 0.22, RMS 0.065; Quantized to signed 16-bit PCM without dither
DenisChardonnet / BigSoundBank
切り出し範囲：0〜1.7541269841269842秒
Decoded original with FFmpeg; averaged stereo to mono where applicable; resampled to 24000 Hz; Trim source interval [start,end), seconds; Removed constant DC offset 0.0027505383; 15 ms raised-cosine fade-in/out; Linear level scale 0.2390083715 (never amplified); target ceilings peak 0.25, RMS 0.1; Quantized to signed 16-bit PCM without dither
バスは MAN SG 220、地下鉄はロンドン地下鉄の録音です。札幌の実車録音ではありません。冒頭の余白を短縮し、ドア音のみ約5dB増幅しました。聴感確認は未実施です。
City Bus MAN SG 220 – door openingclosing — Work With Sounds
Extract audio stream 0:a:0 from original with FFmpeg; downmix to mono and resample 24000 Hz; Trim source [7.3, 9.98) seconds; Remove constant DC offset -0.0001972125; 5 ms raised-cosine fade-in; 35 ms raised-cosine fade-out; Linear source gain 0.3721636455; 5.0000 dB relative to previous derivative gain; peak safety ceiling 0.52 (not reached); No compressor, limiter, synthetic layers, pitch shift, time stretch, or internal cuts; Quantize to signed 16-bit PCM WAV without dither
City Bus MAN SG 220 – door openingclosing — Work With Sounds
Extract audio stream 0:a:0 from original with FFmpeg; downmix to mono and resample 24000 Hz; Trim source [2.4, 4.98) seconds; Remove constant DC offset -0.0002071931; 5 ms raised-cosine fade-in; 35 ms raised-cosine fade-out; Linear source gain 0.5526800795; 5.0000 dB relative to previous derivative gain; peak safety ceiling 0.52 (not reached); No compressor, limiter, synthetic layers, pitch shift, time stretch, or internal cuts; Quantize to signed 16-bit PCM WAV without dither
London Underground 1995 Stock train doors opening — Philt3r
Extract audio stream 0:a:0 from original with FFmpeg; downmix to mono and resample 24000 Hz; Trim source [2.22, 3.9) seconds; Remove constant DC offset 0.0005678462; 5 ms raised-cosine fade-in; 35 ms raised-cosine fade-out; Linear source gain 0.4646032774; 5.0000 dB relative to previous derivative gain; peak safety ceiling 0.52 (not reached); No compressor, limiter, synthetic layers, pitch shift, time stretch, or internal cuts; Quantize to signed 16-bit PCM WAV without dither
London Underground 1995 Stock train doors closing — Philt3r
Extract audio stream 0:a:0 from original with FFmpeg; downmix to mono and resample 24000 Hz; Trim source [0.07, 2.35) seconds; Remove constant DC offset 0.0000199001; 5 ms raised-cosine fade-in; 35 ms raised-cosine fade-out; Linear source gain 0.4884560022; 5.0000 dB relative to previous derivative gain; peak safety ceiling 0.52 (not reached); No compressor, limiter, synthetic layers, pitch shift, time stretch, or internal cuts; Quantize to signed 16-bit PCM WAV without dither
切符を切る音は、このゲーム用に作った短い機械的な効果音です。実録音ではありません。BGMも本ゲーム用のオリジナルです。