Description: Stereo sound effect recording of rallycross race cars during a race. Two single cars plus a group of three cars pass by with clear Doppler effect. This mid/side recording can be converted to mono without phase problems.

Description: Sound effect (SFX) recording of NASCAR stock cars passing by in a tight formation. This mid/side stereo recording can be converted to mono without phase problems.

Description: Stereo sound effect recording of a single NASCAR stock car racing by. This mid/side stereo recording can be converted to mono without phase problems.

Description: Sound effect recording of a pack of NASCAR stock cars racing by in loose pack. This mid/side stereo recording can be converted to mono without phase problems.

Description: Sound effect (SFX) recording of a rallycross car racing past with Doppler effect. This mid/side stereo recording can be converted to mono without phase problems.

Description: Stereo sound effect of two single rallycross racecars driving by with clear Doppler effect. The second car also backfires. This mid/side stereo recording can be converted to mono without phase problems.

Description: Sound effect recording of a loosely spaced pack of NASCAR stock cars racing by. This mid/side stereo recording can be converted to mono without phase problems.